NHC Offshore Waters Forecasts
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Southwest Tropical North Atlantic & Caribbean Sea (OFFNT3)
000 FZNT23 KNHC 211443 OFFNT3 Offshore Waters Forecast for the Caribbean Sea and Tropical N Atlantic NWS National Hurricane Center Miami, FL 1043 AM EDT Tue Jul 21 2026 Offshore Waters Forecast for Caribbean Sea, and the Tropical N Atlantic from 07N to 19N W of 55W. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height.
Synopsis for the Caribbean Sea & Tropical North Atlantic
AMZ001-220245- Synopsis for Caribbean Sea, and Tropical N Atlantic from 07N to 19N W of 55W 1043 AM EDT Tue Jul 21 2026 .SYNOPSIS...The Atlantic ridge combined with the Colombian low will support fresh to strong winds with moderate to rough seas across the south-central Caribbean through the forecast period. During the same period, fresh to locally strong NE to E winds are expected in the Windward Passage, mainly at night. Fresh winds will pulse across the Gulf of Honduras through Wed night. Moderate or weaker winds with slight to moderate seas will prevail elsewhere.
AMZ040 Zone Forecast
AMZ040-220245- Caribbean N of 18N W of 85W including Yucatan Basin- 1043 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E winds 10 kt. Seas 2 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 ft or less. .THU NIGHT...E winds 10 kt. Seas 3 ft or less. .FRI...E winds 10 kt. Seas 2 to 4 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .SAT...E winds 15 to 20 kt S of 20N, and E to SE 10 kt N of 20N. S of 20N, seas 3 to 5 ft in the afternoon. Seas 3 ft or less in the morning. N of 20N, seas 3 ft or less in the afternoon. .SAT NIGHT...E to SE winds 15 to 20 kt S of 20N, and SE 10 to 15 kt N of 20N. S of 20N, seas 5 to 7 ft. N of 20N, seas 3 ft or less, building to 3 to 5 ft late.
Forecaster Christensen
AMZ041 Zone Forecast
AMZ041-220245- Caribbean N of 20N E of 85W- 1043 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 kt. Seas 3 ft or less. .TONIGHT...SE to S winds 10 kt, shifting to NE to E late. Seas 3 ft or less. .WED...E winds 10 to 15 kt W of 81W, and E 15 to 20 kt E of 81W. Seas 2 to 4 ft. .WED NIGHT...W of 81W, E winds 10 kt. E of 81W, variable winds less than 5 kt, becoming NE to E 10 to 15 kt late. Seas 3 ft or less. .THU...E winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...E winds 10 kt. Seas 2 to 4 ft. .FRI...E to SE winds 10 kt. Seas 3 ft or less, building to 3 to 5 ft in the afternoon. .FRI NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft. .SAT...W of 81W, E to SE winds 10 kt. E of 81W, NE to E winds 10 kt in the morning, becoming variable less than 5 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt W of 81W, and variable less than 5 kt E of 81W. Seas 2 to 4 ft.
Forecaster Christensen
AMZ042 Zone Forecast
AMZ042-220245- Caribbean from 18N-20N between 80W-85W including Cayman Basin- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...E winds 10 kt. Seas 2 to 4 ft. .WED...NE to E winds 10 kt. Seas 3 ft or less. .WED NIGHT...NE to E winds 10 kt. Seas 3 ft or less. .THU...E winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...E to SE winds 10 kt. Seas 2 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 ft or less W of 82W, and 3 to 5 ft E of 82W. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft W of 82W, and 4 to 6 ft E of 82W. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft.
Forecaster Christensen
AMZ043 Zone Forecast
AMZ043-220245- Caribbean from 18N-20N between 76W-80W- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .THU...E winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...E to SE winds 10 to 15 kt W of 78W, and SE 15 to 20 kt E of 78W. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt W of 78W, and E to SE 15 to 20 kt E of 78W. Seas 4 to 6 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ044 Zone Forecast
AMZ044-220245- Caribbean approaches to the Windward Passage- 1043 AM EDT Tue Jul 21 2026 .TODAY...In the Gulf of Gonave, variable winds less than 5 kt, becoming W to NW 10 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...In the Gulf of Gonave, W to NW winds 10 kt, shifting to NE late. Elsewhere, NE to E winds 15 to 20 kt. Seas 5 to 7 ft. .WED...In the Gulf of Gonave, NE to E winds 10 kt in the morning, becoming variable less than 5 kt. Elsewhere, E winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...In the Gulf of Gonave, W to NW winds 10 kt, shifting to SE late. Elsewhere, NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .THU...In the Gulf of Gonave, SE winds 10 kt in the morning, becoming variable less than 5 kt. Elsewhere, SE to S winds 10 to 15 kt. Seas 3 ft or less in the Gulf of Gonave, and 3 to 5 ft elsewhere. .THU NIGHT...In the Gulf of Gonave, S winds 10 kt. Seas 3 ft or less. Elsewhere, E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .FRI...In the Gulf of Gonave, SE winds 10 kt, shifting to N in the afternoon. Elsewhere, E to SE winds 15 to 20 kt. Seas 3 ft or less in the Gulf of Gonave, and 4 to 6 ft elsewhere. .FRI NIGHT...In the Gulf of Gonave, N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, NE to E winds 10 to 15 kt. Seas 3 ft or less in the Gulf of Gonave, and 4 to 6 ft elsewhere. .SAT...In the Gulf of Gonave, variable winds less than 5 kt, becoming NW 10 kt in the afternoon. Elsewhere, E winds 10 kt. Seas 3 ft or less in the Gulf of Gonave, and 4 to 6 ft elsewhere. .SAT NIGHT...In the Gulf of Gonave, variable winds less than 5 kt. Seas 3 ft or less. Elsewhere, NE to E winds 10 to 15 kt, Seas 3 to 5 ft.
Forecaster Christensen
AMZ045 Zone Forecast
AMZ045-220245- Gulf of Honduras- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .WED...E winds 15 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NE to E winds 15 to 20 kt S of 17N W of 86W, and E 15 to 20 kt elsewhere. Seas 3 to 5 ft. .THU...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .FRI...E winds 10 to 15 kt. Seas 3 ft or less. .FRI NIGHT...E winds 15 kt. Seas 2 to 4 ft. .SAT...Winds E winds 15 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft.
Forecaster Christensen
AMZ046 Zone Forecast
AMZ046-220245- Caribbean from 15N to 18N between 80W and 85W- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 15 kt. Seas 4 to 6 ft. .TONIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE to E winds 10 kt. Seas 3 to 5 ft. .THU...NE to E winds 10 to 15 kt. Seas 2 to 4 ft W of 82W, and 3 to 5 ft E of 82W. .THU NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft W of 82W, and 3 to 5 ft E of 82W. .FRI...W of 82W, E winds 10 to 15 kt. Seas 3 to 5 ft. E of 82W, E winds 15 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft W of 82W, and 5 to 7 ft E of 82W. .SAT...E winds 15 to 20 kt. Seas 4 to 6 ft W of 82W, and 5 to 7 ft E of 82W. .SAT NIGHT...E winds 15 to 20 kt W of 82W, and NE to E 15 to 20 kt E of 82W. Seas 4 to 6 ft.
Forecaster Christensen
AMZ047 Zone Forecast
AMZ047-220245- Caribbean from 15N to 18N between 76W and 80W- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 15 to 20 kt S of 17N, and E 10 to 15 kt N of 17N. Seas 4 to 6 ft. .TONIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE to E winds 10 to 15 kt S of 17N, and E 10 to 15 kt N of 17N. Seas 4 to 6 ft. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...Winds E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 20 kt. Seas 6 to 8 ft in E to SE swell. .FRI NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft in E to SE swell. .SAT...E winds 15 to 20 kt. Seas 6 to 8 ft in E to SE swell. .SAT NIGHT...NE to E winds 15 to 20 kt S of 17N, and E 10 to 15 kt N of 17N. Seas 6 to 8 ft in E to SE swell.
Forecaster Christensen
AMZ048 Zone Forecast
AMZ048-220245- Caribbean from 15N to 18N between 72W and 76W- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 15 to 20 kt S of 17N, and E to SE 10 to 15 kt N of 17N. Seas 4 to 6 ft. .TONIGHT...E winds 15 to 20 kt S of 17N, and E 10 to 15 kt N of 17N. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 15 to 20 kt S of 17N, and E 10 to 15 kt N of 17N. Seas 3 to 5 ft. .THU...E winds 15 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 20 kt. Seas 6 to 8 ft in E to SE swell. .FRI NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft in E to SE swell. .SAT...E winds 15 to 20 kt. Seas 6 to 8 ft in E to SE swell. .SAT NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft.
Forecaster Christensen
AMZ049 Zone Forecast
AMZ049-220245- Caribbean N of 15N between 68W and 72W- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 15 to 20 kt W of 70W, and NE to E 10 to 15 kt E of 70W. Seas 3 to 5 ft. .TONIGHT...E winds 15 to 20 kt W of 70W, and NE to E 10 to 15 kt E of 70W. Seas 3 to 5 ft. Scattered showers and isolated tstms. .WED...E winds 15 to 20 kt W of 70W, and E to SE 10 to 15 kt E of 70W. Seas 3 to 5 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .THU...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft in E to SE swell. .SAT...E winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 15 to 20 kt W of 70W, and E 10 to 15 kt E of 70W. Seas 5 to 7 ft.
Forecaster Christensen
AMZ050 Zone Forecast
AMZ050-220245- Caribbean N of 15N between 64W and 68W- 1043 AM EDT Tue Jul 21 2026 .TODAY...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .THU...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 15 kt. Seas 3 to 5 ft. .FRI...E winds 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 15 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 15 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ051 Zone Forecast
AMZ051-220245- Offshore Waters Leeward Islands- 1043 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 kt. Seas 2 to 4 ft. .TONIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt in the Caribbean, and E 15 to 20 kt in the Atlc. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 15 kt. Seas 4 to 6 ft.
Forecaster Christensen
AMZ052 Zone Forecast
AMZ052-220245- Tropical N Atlantic from 15N to 19N between 55W and 60W- 1043 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 kt. Seas 2 to 4 ft. .TONIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 15 kt. Seas 4 to 6 ft.
Forecaster Christensen
AMZ053 Zone Forecast
AMZ053-220245- W Central Caribbean from 11N to 15N W of 80W- 1043 AM EDT Tue Jul 21 2026 .TODAY...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .TONIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft. Scattered showers and isolated tstms. .WED...NE to E winds 15 to 20 kt. Seas 5 to 7 ft in E swell. Isolated tstms. .WED NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft in E swell. .THU...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...Winds NE to E winds 15 to 20 kt. Seas 5 to 7 ft.
Forecaster Christensen
AMZ054 Zone Forecast
AMZ054-220245- Caribbean from 11N to 15N between 76W and 80W including Colombia Basin- 1043 AM EDT Tue Jul 21 2026 .TODAY...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in E swell. .TONIGHT...NE to E winds 15 to 20 kt W of 78W, and NE to E 20 to 25 kt E of 78W. Seas 6 to 9 ft in E swell. .WED...NE to E winds 15 to 20 kt W of 78W, and NE to E 20 to 25 kt E of 78W. Seas 7 to 11 ft in E swell. .WED NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in E swell. .THU...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in E swell. .THU NIGHT...Winds E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 15 to 20 kt. Seas 6 to 8 ft in E swell. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft W of 78W, and 6 to 9 ft E of 78W. .SAT...W of 78W, NE to E winds 15 to 20 kt. Seas 6 to 8 ft. E of 78W, NE to E winds 20 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in E swell.
Forecaster Christensen
AMZ055 Zone Forecast
AMZ055-220245- Caribbean from 11N to 15N between 72W and 76W- 1043 AM EDT Tue Jul 21 2026 .TODAY...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft in E swell. .WED...NE to E winds 20 to 25 kt S of 13N, and E 15 to 20 kt N of 13N. Seas 7 to 10 ft in E swell. .WED NIGHT...NE to E winds 20 to 25 kt S of 13N, and NE to E 15 to 20 kt N of 13N. Seas 6 to 8 ft. .THU...E winds 15 to 20 kt. Seas 6 to 8 ft in E swell. .THU NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...NE to E winds 15 to 20 kt S of 13N, and E 20 to 25 kt N of 13N. Seas 6 to 8 ft in E swell. .FRI NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft S of 13N, and 6 to 8 ft N of 13N. .SAT...NE to E winds 20 to 25 kt. Seas 7 to 11 ft S of 13N, and 6 to 8 ft N of 13N. .SAT NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft in E swell.
Forecaster Christensen
AMZ056 Zone Forecast
AMZ056-220245- Caribbean S of 15N between 68W and 72W- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 15 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .WED...E winds 15 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. .THU...E winds 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 20 to 25 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 20 to 25 kt. Seas 6 to 8 ft. .SAT...E winds 20 to 25 kt S of 13N, and E 15 to 20 kt N of 13N. Seas 6 to 8 ft. .SAT NIGHT...E winds 20 to 25 kt S of 13N, and E 15 to 20 kt N of 13N. Seas 5 to 7 ft.
Forecaster Christensen
AMZ057 Zone Forecast
AMZ057-220245- Caribbean S of 15N between 64W and 68W including Venezuela Basin- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .WED...E winds 15 kt. Seas 2 to 4 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .THU...E winds 15 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt S of 13N, and E 15 to 20 kt N of 13N. Seas 4 to 6 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 15 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 15 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ058 Zone Forecast
AMZ058-220245- Offshore Waters Windward Islands including Trinidad and Tobago- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. Isolated tstms. .THU...E winds 15 to 20 kt in the Caribbean, and E 10 to 15 kt in the Atlc. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 15 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ059 Zone Forecast
AMZ059-220245- Tropical N Atlantic from 11N and 15N between 55W and 60W- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 15 kt. Seas 3 to 5 ft. .THU...E winds 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 15 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ060 Zone Forecast
AMZ060-220245- SW Caribbean S of 11N W of 80W- 1043 AM EDT Tue Jul 21 2026 .TODAY...SE to S winds 10 to 15 kt, shifting to NW to N in the afternoon. Seas 4 to 6 ft. Scattered showers and isolated tstms. .TONIGHT...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. Numerous showers and scattered tstms. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. Numerous showers and scattered tstms. .WED NIGHT...S of 10N, N winds 10 to 15 kt, shifting to W to NW late. N of 10N, N to NE winds 15 to 20 kt. Seas 6 to 8 ft in NE to E swell. Numerous showers and scattered tstms. .THU...N to NE winds 10 to 15 kt S of 10N, and NE 15 to 20 kt N of 10N. Seas 5 to 7 ft in NE to E swell. .THU NIGHT...S of 10N, W to NW winds 10 kt. N of 10N, NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 4 to 6 ft in NE to E swell. .FRI...W to NW winds 10 kt. Seas 4 to 6 ft in NE to E swell. .FRI NIGHT...S of 10N, W winds 10 to 15 kt in the evening, becoming variable less than 5 kt. N of 10N, E winds 10 kt. Seas 3 to 5 ft. .SAT...Variable winds less than 5 kt S of 10N, and NE to E 10 to 15 kt N of 10N. Seas 4 to 6 ft in NE to E swell. .SAT NIGHT...S of 10N, variable winds less than 5 kt, becoming W 10 kt late. N of 10N, NE to E winds 10 to 15 kt. Seas 4 to 6 ft in NE to E swell.
Forecaster Christensen
AMZ061 Zone Forecast
AMZ061-220245- SW Caribbean S of 11N E of 80W including the approaches to the Panama Canal- 1043 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in NE swell. Scattered showers and isolated tstms. .TONIGHT...N to NE winds 10 kt S of 10N, and NE 15 to 20 kt N of 10N. Seas 4 to 6 ft, building to 6 to 9 ft in NE swell late. Scattered showers and isolated tstms. .WED...S of 10N, N to NE winds 10 kt, shifting to W in the afternoon. N of 10N, NE to E winds 15 to 20 kt. Seas 7 to 11 ft in NE swell. Scattered showers and isolated tstms. .WED NIGHT...S of 10N, N winds 10 kt, shifting to W to NW late. N of 10N, NE winds 15 to 20 kt. Seas 6 to 9 ft in NE swell. Numerous showers and scattered tstms. .THU...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in NE swell. .THU NIGHT...SE winds 10 kt. Seas 4 to 6 ft in NE swell. .FRI...E winds 10 kt. Seas 3 to 5 ft. .FRI NIGHT...N to NE winds 10 to 15 kt S of 10N, and NE 15 to 20 kt N of 10N. S of 10N, seas 3 to 5 ft. N of 10N, seas 3 to 5 ft, building to 6 to 9 ft late. .SAT...S of 10N, variable winds less than 5 kt. Seas 5 to 7 ft. N of 10N, NE to E winds 10 to 15 kt. Seas 6 to 9 ft. .SAT NIGHT...S of 10N, NW winds 10 kt in the evening, becoming variable less than 5 kt. N of 10N, NE winds 10 to 15 kt. Seas 6 to 8 ft in NE swell.
Forecaster Christensen
AMZ062 Zone Forecast
AMZ062-220245- Tropical N Atlantic from 7N and 11N between 55W and 60W- 1043 AM EDT Tue Jul 21 2026 .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE to E winds 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft.
Forecaster Christensen
Southwest North Atlantic (OFFNT5)
404 FZNT25 KNHC 211450 OFFNT5 Offshore Waters Forecast for the SW N Atlantic including the Bahamas NWS National Hurricane Center Miami, FL 1050 AM EDT Tue Jul 21 2026 Offshore Waters Forecast for the SW N Atlantic from 19N to 31N W of 55W including Bahamas. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height.
Synopsis for the Southwest Atlantic
AMZ101-220300- Synopsis for the SW N Atlantic including the Bahamas 1050 AM EDT Tue Jul 21 2026 .SYNOPSIS...A surface trough that is over the central Atlantic from 20N63W to 27N58W will move westward reaching near 70W by Wed afternoon and to near 75W by Thu morning. Moderate to fresh winds and moderate seas are expected on either side of the trough axis. Fresh to locally strong trade winds are expected offshore Hispaniola, including approaches to the Windward Passage through the forecast period. Moderate or weaker winds along with moderate seas are forecast elsewhere E of the Bahamas through Fri, except S of 23N E of about 77W where mostly fresh trades are expected through Sat night.
AMZ063 Zone Forecast
AMZ063-220300- Atlantic from 29N to 31N W of 77W- 1050 AM EDT Tue Jul 21 2026 .TODAY...S winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE to S winds 15 to 20 kt W of 79W, and S 10 to 15 kt E of 79W. Seas 3 to 5 ft. .WED...S winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .THU...W of 79W, S to SW winds 10 kt. E of 79W, S winds 10 kt in the morning, becoming variable less than 5 kt. Seas 2 to 4 ft. .THU NIGHT...SE winds 10 kt. Seas 2 to 4 ft. .FRI...SE to S winds 10 kt W of 79W, and variable less than 5 kt E of 79W. Seas 2 to 4 ft. .FRI NIGHT...S winds 10 kt. Seas 2 to 4 ft. .SAT...SW winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft.
Forecaster Christensen
AMZ064 Zone Forecast
AMZ064-220300- Atlantic from 29N to 31N between 74W and 77W- 1050 AM EDT Tue Jul 21 2026 .TODAY...S winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. .WED...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...SE winds 10 kt. Seas 2 to 4 ft. .THU...W of 75W, variable winds less than 5 kt. E of 75W, E to SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 to 5 ft in E to SE swell. .THU NIGHT...W of 75W, E winds 10 kt in the evening, becoming variable less than 5 kt. E of 75W, SE winds 10 kt. Seas 3 to 5 ft. .FRI...W of 75W, variable winds less than 5 kt. E of 75W, SE to S winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 to 5 ft. .FRI NIGHT...Variable winds less than 5 kt, becoming S 10 kt late. Seas 3 to 5 ft. .SAT...SW winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft.
Forecaster Christensen
AMZ065 Zone Forecast
AMZ065-220300- Atlantic from 29N to 31N between 70W and 74W- 1050 AM EDT Tue Jul 21 2026 .TODAY...SE to S winds 10 kt. Seas 2 to 4 ft. .TONIGHT...SE winds 10 kt. Seas 2 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 kt. Seas 4 to 6 ft in E to SE swell. .FRI...W of 72W, SE to S winds 10 kt. E of 72W, SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 to 5 ft. .FRI NIGHT...W of 72W, variable winds less than 5 kt, becoming S 10 kt late. E of 72W, variable winds less than 5 kt. Seas 3 to 5 ft. .SAT...S to SW winds 10 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ066 Zone Forecast
AMZ066-220300- Atlantic from 29N to 31N between 65W and 70W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 kt. Seas 2 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt W of 67W, and E to SE 15 to 20 kt E of 67W. Seas 5 to 7 ft. Scattered showers and isolated tstms. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft in E swell. .FRI...W of 67W, SE winds 10 kt in the morning, becoming variable less than 5 kt. E of 67W, SE winds 10 to 15 kt. Seas 4 to 6 ft in E swell. .FRI NIGHT...W of 67W, variable winds less than 5 kt, becoming S 10 kt late. E of 67W, S winds 10 kt. Seas 4 to 6 ft in E swell. .SAT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ067 Zone Forecast
AMZ067-220300- Atlantic from 29N to 31N between 60W and 65W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .WED...E to SE winds 15 to 20 kt. Seas 5 to 7 ft in E to SE swell. Scattered showers and isolated tstms. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...E to SE winds 15 to 20 kt. Seas 5 to 7 ft in E to SE swell. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. .FRI...SE winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. .FRI NIGHT...SE winds 10 kt. Seas 4 to 6 ft in E to SE swell. .SAT...S winds 10 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ068 Zone Forecast
AMZ068-220300- Atlantic from 29N to 31N between 55W and 60W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E winds 15 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .WED...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .THU...E to SE winds 15 to 20 kt. Seas 5 to 7 ft in E to SE swell. .THU NIGHT...E to SE winds 15 kt. Seas 5 to 7 ft. .FRI...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft. .SAT...W of 57W, SE winds 10 kt. E of 57W, E to SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 to 5 ft. .SAT NIGHT...W of 57W, SE to S winds 10 kt. E of 57W, variable winds less than 5 kt, becoming SE to S 10 kt late. Seas 3 to 5 ft.
Forecaster Christensen
AMZ069 Zone Forecast
AMZ069-220300- Atlantic from 27N to 29N W of 77W- 1050 AM EDT Tue Jul 21 2026 .TODAY...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .WED...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .THU...E winds 10 kt. Seas 2 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...W of 78W, E to SE winds 10 kt in the morning, becoming variable less than 5 kt. E of 78W, SE winds 10 kt. Seas 2 to 4 ft. .FRI NIGHT...SE winds 10 kt. Seas 2 to 4 ft. .SAT...W of 78W, S winds 10 kt in the morning, becoming variable less than 5 kt. E of 78W, S winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft.
Forecaster Christensen
AMZ070 Zone Forecast
AMZ070-220300- Atlantic from 27N to 29N between 74W and 77W- 1050 AM EDT Tue Jul 21 2026 .TODAY...SE winds 10 kt. Seas 2 to 4 ft. .TONIGHT...SE winds 10 kt. Seas 2 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 kt. Seas 3 to 5 ft. .THU NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft. .FRI...SE to S winds 10 kt. Seas 3 to 5 ft. .FRI NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. .SAT...S winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 2 to 4 ft.
Forecaster Christensen
AMZ071 Zone Forecast
AMZ071-220300- Atlantic from 27N to 29N between 70W and 74W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 kt. Seas 2 to 4 ft. .TONIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 kt. Seas 4 to 6 ft in E swell. .FRI...SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 4 to 6 ft in E swell. .FRI NIGHT...Variable winds less than 5 kt, becoming SE to S 10 kt late. Seas 3 to 5 ft. .SAT...W of 72W, variable winds less than 5 kt, becoming S to SW 10 kt in the afternoon. E of 72W, S winds 10 kt. Seas 3 to 5 ft. .SAT NIGHT...W of 72W, variable winds less than 5 kt, becoming S to SW 10 kt late. E of 72W, S to SW winds 10 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ072 Zone Forecast
AMZ072-220300- Atlantic from 27N to 29N between 65W and 70W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .WED...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in E swell. .FRI...SE to S winds 10 kt. Seas 4 to 6 ft in E swell. .FRI NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. .SAT...S winds 10 kt. Seas 3 to 5 ft. .SAT NIGHT...W of 67W, S winds 10 kt. E of 67W, variable winds less than 5 kt, becoming S 10 kt late. Seas 3 to 5 ft.
Forecaster Christensen
AMZ073 Zone Forecast
AMZ073-220300- Atlantic from 27N to 29N between 60W and 65W- 1050 AM EDT Tue Jul 21 2026 .TODAY...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .WED...E to SE winds 15 to 20 kt. Seas 5 to 7 ft in E swell. Scattered showers and isolated tstms. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...E to SE winds 10 to 15 kt W of 62W, and E to SE 15 to 20 kt E of 62W. Seas 5 to 7 ft in E swell. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in E swell. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft in E swell. .FRI NIGHT...Variable winds less than 5 kt W of 62W, and E to SE 10 kt E of 62W. Seas 4 to 6 ft in E swell. .SAT...Variable winds less than 5 kt W of 62W, and SE to S 10 kt E of 62W. Seas 3 to 5 ft. .SAT NIGHT...W of 62W, variable winds less than 5 kt. E of 62W, variable winds less than 5 kt, becoming SE to S 10 kt late. Seas 2 to 4 ft.
Forecaster Christensen
AMZ074 Zone Forecast
AMZ074-220300- Atlantic from 27N to 29N between 55W and 60W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .TONIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .WED...E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .WED NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .THU...E to SE winds 15 to 20 kt. Seas 5 to 7 ft in E swell. .THU NIGHT...E winds 15 kt. Seas 5 to 7 ft. .FRI...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft. .SAT...W of 57W, SE winds 10 kt. E of 57W, E to SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ075 Zone Forecast
AMZ075-220300- Northern Bahamas from 24N to 27N- 1050 AM EDT Tue Jul 21 2026 .TODAY...SE winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .THU...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...SE winds 10 kt. Seas 2 to 4 ft.
Forecaster Christensen
AMZ076 Zone Forecast
AMZ076-220300- Atlantic from 22N to 27N E of Bahamas to 70W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 kt. Seas 4 to 6 ft in E swell. .FRI NIGHT...SE winds 10 kt. Seas 3 to 5 ft. .SAT...SE to S winds 10 kt. Seas 3 to 5 ft. .SAT NIGHT...W of 73W, SE to S winds 10 kt. E of 73W, variable winds less than 5 kt, becoming SE to S 10 kt late. Seas 3 to 5 ft.
Forecaster Christensen
AMZ077 Zone Forecast
AMZ077-220300- Atlantic from 22N to 27N between 65W and 70W- 1050 AM EDT Tue Jul 21 2026 .TODAY...NE to E winds 15 kt. Seas 4 to 6 ft. .TONIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .WED...E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in E swell. .FRI...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 kt. Seas 3 to 5 ft. .SAT...SE to S winds 10 kt. Seas 3 to 5 ft. .SAT NIGHT...W of 67W, SE to S winds 10 kt. E of 67W, variable winds less than 5 kt, becoming SE 10 kt late. Seas 2 to 4 ft.
Forecaster Christensen
AMZ078 Zone Forecast
AMZ078-220300- Atlantic from 25N to 27N between 60W and 65W- 1050 AM EDT Tue Jul 21 2026 .TODAY...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .TONIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft in E swell. Scattered showers and isolated tstms. .WED...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft in NE to E swell. .FRI...SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 4 to 6 ft in NE to E swell. .FRI NIGHT...Variable winds less than 5 kt, becoming E to SE 10 kt late. Seas 3 to 5 ft. .SAT...SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 2 to 4 ft. .SAT NIGHT...Variable winds less than 5 kt, becoming SE 10 kt late. Seas 2 to 4 ft.
Forecaster Christensen
AMZ079 Zone Forecast
AMZ079-220300- Atlantic from 25N to 27N between 55W and 60W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 15 to 20 kt. Seas 5 to 7 ft in NE to E swell. Scattered showers and isolated tstms. .TONIGHT...E to SE winds 15 kt. Seas 4 to 6 ft. .WED...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .WED NIGHT...E winds 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...W of 57W, SE winds 10 kt in the morning, becoming variable less than 5 kt. E of 57W, E to SE winds 10 to 15 kt. Seas 4 to 6 ft in E swell. .FRI NIGHT...E winds 10 kt. Seas 3 to 5 ft. .SAT...W of 57W, E to SE winds 10 kt in the morning, becoming variable less than 5 kt. E of 57W, E to SE winds 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ080 Zone Forecast
AMZ080-220300- Central Bahamas including Cay Sal Bank- 1050 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...E winds 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
Forecaster Christensen
AMZ081 Zone Forecast
AMZ081-220300- Atlantic from 22N to 25N E of Bahamas to 70W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E to SE winds 15 kt. Seas 4 to 6 ft. .FRI...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E to SE winds 15 kt S of 23N, and SE 10 to 15 kt N of 23N. Seas 3 to 5 ft. .SAT NIGHT...E to SE winds 15 kt S of 23N, and E to SE 10 to 15 kt N of 23N. Seas 3 to 5 ft.
Forecaster Christensen
AMZ082 Zone Forecast
AMZ082-220300- Atlantic from 22N to 25N between 65W and 70W- 1050 AM EDT Tue Jul 21 2026 .TODAY...NE to E winds 15 kt. Seas 4 to 6 ft. .TONIGHT...NE to E winds 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .WED...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .WED NIGHT...E to SE winds 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ083 Zone Forecast
AMZ083-220300- Atlantic from 22N to 25N between 60W and 65W- 1050 AM EDT Tue Jul 21 2026 .TODAY...NE to E winds 15 kt. Seas 4 to 6 ft. .TONIGHT...E to SE winds 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .WED...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E to SE winds 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft in E swell. .THU NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in E swell. .FRI...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
Forecaster Christensen
AMZ084 Zone Forecast
AMZ084-220300- Atlantic from 22N to 25N between 55W and 60W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .TONIGHT...E to SE winds 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft in E swell. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
Forecaster Christensen
AMZ085 Zone Forecast
AMZ085-220300- Atlantic S of 22N W of 70W including approaches to the Windward Passage- 1050 AM EDT Tue Jul 21 2026 .TODAY...E winds 15 to 20 kt. Seas 3 to 5 ft. .TONIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 15 to 20 kt S of 21N, and E to SE 10 to 15 kt N of 21N. Seas 3 to 5 ft. .THU NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .FRI...E to SE winds 15 to 20 kt S of 21N, and E to SE 10 to 15 kt N of 21N. Seas 4 to 6 ft. .FRI NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 15 to 20 kt S of 21N, and E to SE 10 to 15 kt N of 21N. Seas 4 to 6 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft.
Forecaster Christensen
AMZ086 Zone Forecast
AMZ086-220300- Atlantic S of 22N between 65W and 70W including Puerto Rico Trench- 1050 AM EDT Tue Jul 21 2026 .TODAY...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E to SE winds 15 kt. Seas 3 to 5 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E to SE winds 15 kt. Seas 3 to 5 ft. .FRI...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 15 kt. Seas 3 to 5 ft. .SAT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 15 kt. Seas 4 to 6 ft.
Forecaster Christensen
AMZ087 Zone Forecast
AMZ087-220300- Atlantic from 19N to 22N between 60W and 65W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E to SE winds 15 kt. Seas 3 to 5 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 15 kt. Seas 4 to 6 ft.
Forecaster Christensen
AMZ088 Zone Forecast
AMZ088-220300- Atlantic from 19N to 22N between 55W and 60W- 1050 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 15 kt. Seas 3 to 5 ft. .SAT...E winds 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 15 kt. Seas 4 to 6 ft.
Forecaster Christensen
Gulf of America (OFFNT4)
000 FZNT24 KNHC 211503 OFFNT4 Offshore Waters Forecast for the Gulf of America NWS National Hurricane Center Miami, FL 1103 AM EDT Tue Jul 21 2026 Offshore Waters Forecast for the Gulf of America Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height.
Synopsis for the Gulf of America
GMZ001-220315- Synopsis for the Gulf of America 1103 AM EDT Tue Jul 21 2026 .SYNOPSIS...Tropical Storm Bertha is near 29.2N 86.2W at 11 AM EDT, and is moving slowly north-northwest at 3 kt. Maximum sustained winds are 50 kt with gusts to 60 kt, and the minimum central pressure is 996 mb. Bertha will move to 29.4N 87.0W this evening, then weaken slightly as it moves to 29.5N 88.0W Wed morning. Bertha will continue to 29.4N 89.5W Wed evening, then reach 29.3N 91.3W by Thu morning. Bertha will weaken to a tropical depression near 29.4N 93.1W Thu evening off Louisiana, and then move inland near the Sabine Pass to 29.9N 94.9W Fri morning. Swells generated by Bertha are affecting portions of the Gulf coast of Florida and are likely to spread westward during the rest of the week. Elsewhere, weak high pressure over the western Gulf will dissipate by midweek. After midweek, Atlantic high pressure will extend westward to the central Gulf following Bertha.
GMZ040 Zone Forecast
GMZ040-220315- NW Gulf of America including Stetson Bank- 1103 AM EDT Tue Jul 21 2026 .TODAY...SW to W winds 10 kt. Seas 3 ft or less. .TONIGHT...S to SW winds 10 to 15 kt. Seas 3 ft or less. .WED...S of 27N, SW winds 10 to 15 kt in the morning, becoming variable less than 5 kt. N of 27N, SW to W winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...S to SW winds 10 to 15 kt S of 27N, and SW 15 to 20 kt N of 27N. Seas 2 to 4 ft. Scattered tstms. .THU...S to SW winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...S winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less. .SAT...SE to S winds 10 to 15 kt. Seas 3 ft or less.
Forecaster Christensen
GMZ041 Zone Forecast
GMZ041-220315- SW Louisiana Offshore Waters including Flower Garden Bank Marine Sanctuary- 1103 AM EDT Tue Jul 21 2026 .TODAY...W to NW winds 15 to 20 kt. Seas 3 to 5 ft. Isolated tstms. .TONIGHT...SW to W winds 15 to 20 kt. Seas 4 to 6 ft. .WED...SW to W winds 15 to 20 kt. Seas 5 to 7 ft. Numerous showers and scattered tstms. .WED NIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Numerous showers and scattered tstms. .THU...SW winds 20 to 25 kt. Seas 4 to 6 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE to S winds 10 kt. Seas 2 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. .SAT...SE to S winds 10 kt. Seas 3 ft or less.
Forecaster Christensen
GMZ045 Zone Forecast
GMZ045-220315- W Central Gulf of America from 22N to 26N between 91W and 94W- 1103 AM EDT Tue Jul 21 2026 .TODAY...S winds 10 kt. Seas 3 ft or less. .TONIGHT...SE to S winds 10 kt. Seas 3 ft or less. .WED...S winds 10 kt. Seas 3 ft or less. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. .THU...SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...SE winds 10 to 15 kt. Seas 2 to 4 ft.
Forecaster Christensen
GMZ046 Zone Forecast
GMZ046-220315- Central Gulf of America from 22N to 26N between 87W and 91W- 1103 AM EDT Tue Jul 21 2026 .TODAY...S winds 10 kt S of 24N, and SW to W 15 to 20 kt N of 24N. Seas 3 to 5 ft. .TONIGHT...S of 24N, N winds 10 kt, shifting to SE late. N of 24N, SW winds 15 to 20 kt. Seas 3 to 5 ft. .WED...S winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...E winds 15 to 20 kt S of 24N, and E 10 to 15 kt N of 24N. Seas 2 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
Forecaster Christensen
GMZ047 Zone Forecast
GMZ047-220315- SE Gulf of America from 22N to 26N E of 87W including Straits of Florida- 1103 AM EDT Tue Jul 21 2026 .TODAY...S winds 10 kt S of 24N, and S to SW 15 to 20 kt N of 24N. Seas 3 to 5 ft. .TONIGHT...S to SW winds 15 to 20 kt, shifting to SE 10 to 15 kt late. Seas 3 to 5 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .SAT...E to SE winds 10 kt. Seas 3 ft or less.
Forecaster Christensen
GMZ048 Zone Forecast
GMZ048-220315- SW Gulf of America S of 22N W of 94W- 1103 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 kt. Seas 3 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .WED...E to SE winds 10 to 15 kt. Seas 3 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .THU...E winds 10 to 15 kt. Seas 3 ft or less. .THU NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 ft or less.
Forecaster Christensen
GMZ049 Zone Forecast
GMZ049-220315- Central Bay of Campeche- 1103 AM EDT Tue Jul 21 2026 .TODAY...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...NE winds 15 to 20 kt S of 20N, and NE to E 10 to 15 kt N of 20N. Seas 2 to 4 ft. .THU...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. .FRI...E winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. .SAT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.
Forecaster Christensen
GMZ050 Zone Forecast
GMZ050-220315- E Bay of Campeche including Campeche Bank- 1103 AM EDT Tue Jul 21 2026 .TODAY...SE winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...N to NE winds 10 to 15 kt, shifting to E late. Seas 2 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. .THU...E to SE winds 10 to 15 kt, shifting to NE in the afternoon. Seas 2 to 4 ft. .THU NIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. .FRI...E to SE winds 10 to 15 kt, shifting to NE in the afternoon. Seas 2 to 4 ft. .FRI NIGHT...NE winds 15 to 20 kt, shifting to E to SE late. Seas 3 to 5 ft. .SAT...W of 90W, SE winds 15 to 20 kt, shifting to N to NE 10 to 15 kt in the afternoon. E of 90W, SE winds 10 kt, shifting to NE 15 to 20 kt in the afternoon. Seas 3 to 5 ft.
Forecaster Christensen
GMZ056 Zone Forecast
GMZ056-220315- N Central Gulf of America Offshore Waters- 1103 AM EDT Tue Jul 21 2026 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. W winds 15 to 20 kt W of 89W, and W 35 to 45 kt E of 89W. Seas 7 to 10 ft. Numerous showers and scattered tstms. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. SW to W winds 20 to 25 kt W of 89W, and SW to W 40 to 50 kt E of 89W. Seas 10 to 15 ft. Scattered showers and isolated tstms. .WED...TROPICAL STORM CONDITIONS EXPECTED. W of 89W, SW to W winds 25 to 30 kt. E of 89W, SW winds 40 to 45 kt, diminishing to 25 to 30 kt in the afternoon. Seas 10 to 16 ft in W swell. Scattered showers and isolated tstms. .WED NIGHT...S to SW winds 20 to 25 kt. Seas 8 to 12 ft in W swell. .THU...S winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. .THU NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. .FRI...SE winds 10 kt. Seas 2 to 4 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .SAT...E to SE winds 10 kt. Seas 3 ft or less.
Forecaster Christensen
GMZ057 Zone Forecast
GMZ057-220315- NE Gulf of America N of 26N E of 87W- 1103 AM EDT Tue Jul 21 2026 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. SW winds 45 to 50 kt W of 85W, and S to SW 25 to 30 kt E of 85W. Seas 8 to 12 ft. Scattered showers and isolated tstms. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 85W, SW winds 45 to 50 kt, shifting to S to SW 35 to 40 kt late. E of 85W, S to SW winds 20 to 25 kt. Seas 10 to 16 ft. Scattered showers and isolated tstms. .WED...TROPICAL STORM CONDITIONS POSSIBLE. S to SW winds 25 to 30 kt W of 85W, and S 15 to 20 kt E of 85W. Seas 9 to 14 ft in W to NW swell. .WED NIGHT...S winds 15 to 20 kt. Seas 7 to 11 ft in W to NW swell. .THU...SE winds 10 kt. Seas 5 to 7 ft in W to NW swell. .THU NIGHT...SE to S winds 10 kt, shifting to N to NE late. Seas 3 to 5 ft. .FRI...NE to E winds 10 kt. Seas 3 ft or less. .FRI NIGHT...NE to E winds 10 kt. Seas 3 ft or less. .SAT...Variable winds less than 5 kt. Seas 3 ft or less.
Forecaster Christensen
GMZ058 Zone Forecast
GMZ058-220315- W Central Gulf of America from 22N to 26N W of 94W- 1103 AM EDT Tue Jul 21 2026 .TODAY...SE to S winds 10 to 15 kt. Seas 3 ft or less. .TONIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less. .WED...SE to S winds 10 to 15 kt. Seas 3 ft or less. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less. .THU...SE to S winds 10 to 15 kt. Seas 3 ft or less. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. .FRI...SE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...SE winds 10 to 15 kt. Seas 2 to 4 ft.
Forecaster Christensen
Tropical North Atlantic High Seas (HSFAT2)
000 FZNT02 KNHC 211502 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC TUE JUL 21 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. SECURITE ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1200 UTC TUE JUL 21. 24 HOUR FORECAST VALID 1200 UTC WED JUL 22. 48 HOUR FORECAST VALID 1200 UTC THU JUL 23. .WARNINGS. ...GULF OF AMERICA TROPICAL STORM WARNING... .TROPICAL STORM BERTHA NEAR 29.3N 86.3W 995 MB AT 1500 UTC JUL 21 MOVING NNW OR 345 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM S SEMICIRCLE...40 NM NE QUADRANT AND 0 NM NW QUADRANT. SEAS TO 4 M OR GREATER WITHIN 0 NM OF CENTER EXCEPT 75 NM SE QUADRANT. ELSEWHERE WITHIN 29N83W TO 30N84W TO 30N87W TO 28N88W TO 26N86W TO 27N83W TO 29N83W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. .24 HOUR FORECAST TROPICAL STORM BERTHA NEAR 29.5N 88.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NE QUADRANT...80 NM SE QUADRANT...90 NM SW QUADRANT...AND 20 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM SE SEMICIRCLE WITH SEAS TO 4.5 M. ELSEWHERE WITHIN 30N84W TO 30N86W TO 30N90W TO 28N91W TO 27N90W TO 27N86W TO 30N84W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. .48 HOUR FORECAST TROPICAL STORM BERTHA NEAR THE COAST NEAR 29.3N 91.3W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N SEMICIRCLE AND 60 NM S SEMICIRCLE. WITHIN 29N89W TO 29N91W TO 29N93W TO 28N92W TO 28N90W TO 28N88W TO 29N89W WINDS 20 TO 33 KT. SEAS 2.5 TO 3.5 M. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .CARIBBEAN WITHIN 13N71W TO 13N79W TO 12N79W TO 11N77W TO 12N74W TO 11N70W TO 13N71W...INCLUDING THE GULF OF VENEZUELA... E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST WITHIN 13N75W TO 13N77W TO 12N78W TO 10N77W TO 11N75W TO 13N75W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .48 HOUR FORECAST WITHIN 14N69W TO 13N76W TO 11N76W TO 12N72W TO 11N72W TO 12N69W TO 14N69W...INCLUDING THE GULF OF VENEZUELA... E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
Tropical Northeast Pacific High Seas (HSFEP2)
000 FZPN03 KNHC 211527 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC TUE JUL 21 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. SECURITE E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 1200 UTC TUE JUL 21. 24 HOUR FORECAST VALID 1200 UTC WED JUL 22. 48 HOUR FORECAST VALID 1200 UTC THU JUL 23. .WARNINGS. ...HURRICANE WARNING... .HURRICANE FAUSTO NEAR 16.3N 118.8W 986 MB AT 1500 UTC JUL 21 MOVING NW OR 305 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...140 NM SE QUADRANT...120 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM NE QUADRANT...180 NM SE QUADRANT...105 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 7.5 M. ELSEWHERE WITHIN 210 NM OF CENTER...EXCEPT 240 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA FROM 10N TO 21N BETWEEN 111W AND 121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST HURRICANE FAUSTO NEAR 17.2N 121.5W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM E SEMICIRCLE...110 NM SW QUADRANT AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM NE SEMICIRCLE AND 180 NM SW SEMICIRCLE WITH SEAS TO 9 M. ELSEWHERE WITHIN 240 NM OF CENTER...EXCEPT 270 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA FROM 11N TO 25N BETWEEN 114W AND 127W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .48 HOUR FORECAST HURRICANE FAUSTO NEAR 17.8N 125.4W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM E SEMICIRCLE...110 NM SW QUADRANT AND 130 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM NE SEMICIRCLE AND 210 NM SW SEMICIRCLE WITH SEAS TO 9 M. ELSEWHERE WITHIN 270 NM OF CENTER...EXCEPT 300 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA FROM 11N TO 27N BETWEEN 118W AND 132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .LOW PRES N OF AREA NEAR 32N128W 1002 MB. N OF A LINE FROM 30N123W TO 24N131W TO 28N135W TO 30N135W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M IN MIXED SWELL. .18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FROM 10N TO 11.5N E OF 91W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .12 HOUR FORECAST FROM 10.5N TO 12N E OF 89W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M .24 HOUR FORECAST FROM 10N TO 11.5N E OF 90W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LITTLE CHANGE. .S OF 00N W 115W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 1500 UTC TUE JUL 21... .HURRICANE FAUSTO...NUMEROUS MODERATE SCATTERED STRONG FROM 14N TO 16N BETWEEN 118W AND 120W. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 11N TO 17N BETWEEN 113W AND 123W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 08N83W TO 06N95W TO 10N110W...WHERE IT BREAKS FOR HURRICANE FAUSTO...THEN RESUMES NEAR 13N125W TO BEYOND 09N140W. SCATTERED MODERATE CONVECTION IS NOTED FROM 04N TO 10N BETWEEN 83W AND 110W. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.
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