000 FZNT24 KNHC 280857 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 457 AM EDT Mon Aug 28 2023 Offshore Waters Forecast for the Gulf of Mexico 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. GMZ001-282100- Synopsis for the Gulf of Mexico 457 AM EDT Mon Aug 28 2023 .SYNOPSIS...Tropical Storm Idalia is near 20.1N 85.2W at 5 AM EDT, and is moving north at 6 kt. Maximum sustained winds are 55 kt with gusts to 65 kt, and the minimum central pressure is 989 mb. Idalia will strengthen to a hurricane near 21.1N 85.1W this afternoon, move to 22.6N 85.1W Tue morning, 24.8N 84.8W Tue afternoon, 27.7N 84.0W Wed morning, inland to 30.7N 82.1W Wed afternoon, and weaken to a tropical storm near 32.8N 79.0W Thu morning. Idalia will change little in intensity as it moves to 34.5N 72.0W early Fri. High pressure and improving conditions will arrive in the wake of Idalia late in the week. $$ GMZ040-282100- NW Gulf including Stetson Bank- 457 AM EDT Mon Aug 28 2023 .TODAY...W to NW winds 10 to 15 kt. Seas 3 ft or less. .TONIGHT...NW to N winds 10 kt. Seas 3 ft or less. .TUE...N winds 10 to 15 kt. Seas 3 ft or less. .TUE NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less. .WED...N winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...NE to E winds 10 kt in the evening, becoming variable less than 5 kt. Seas 2 to 4 ft. .THU...Variable winds less than 5 kt, becoming N to NE 10 kt in the afternoon. Seas 3 ft or less. .THU NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .FRI...Variable winds less than 5 kt, becoming NE to E 10 kt in the afternoon. Seas 3 ft or less. $$ GMZ041-282100- SW Louisiana Offshore Waters including Flower Garden Bank Marine Sanctuary- 457 AM EDT Mon Aug 28 2023 .TODAY...NW winds 10 to 15 kt. Seas 3 ft or less. .TONIGHT...NE winds 10 kt. Seas 3 ft or less. .TUE...N winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .TUE NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. .WED...N winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 to 5 ft in E swell. .THU...Variable winds less than 5 kt. Seas 3 to 5 ft in E swell. .THU NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .FRI...Variable winds less than 5 kt, becoming E 10 kt in the afternoon. Seas 3 ft or less. $$ GMZ056-282100- N Central Gulf Offshore Waters- 457 AM EDT Mon Aug 28 2023 .TODAY...E winds 10 to 15 kt. Seas 3 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...NE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .TUE NIGHT...N winds 15 to 20 kt. Seas 7 to 11 ft in E to SE swell. Scattered showers and isolated tstms. .WED...W of 89W, NW winds 10 kt in the morning, becoming variable less than 5 kt. E of 89W, NW winds 15 to 20 kt, shifting to W to NW 10 kt in the afternoon. Seas 6 to 9 ft in E swell. .WED NIGHT...S to SW winds 10 kt in the evening, becoming variable less than 5 kt. Seas 4 to 6 ft in NE to E swell. .THU...SW to W winds 10 kt, shifting to S in the afternoon. Seas 3 to 5 ft. .THU NIGHT...Variable winds less than 5 kt, becoming SE to S 10 kt late. Seas 3 ft or less. .FRI...SE winds 10 kt. Seas 3 ft or less. $$ GMZ057-282100- NE Gulf N of 26N E of 87W- 457 AM EDT Mon Aug 28 2023 ...HURRICANE WARNING... .TODAY...E winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .TONIGHT...SE winds 15 to 20 kt. Seas 3 ft or less, building to 3 to 5 ft late. Scattered showers and isolated tstms. .TUE...TROPICAL STORM CONDITIONS EXPECTED. E to SE winds 20 to 25 kt, becoming E 30 to 35 kt in the afternoon. Seas 6 to 8 ft, building to 11 to 17 ft in SE to S swell in the afternoon. Scattered tstms. .TUE NIGHT...HURRICANE CONDITIONS EXPECTED. W of 85W, N to NE winds 40 to 45 kt, becoming NW 30 to 35 kt late. E of 85W, E winds 65 to 85 kt, becoming SW to W 70 to 90 kt late. Seas 18 to 27 ft in SE swell. Scattered showers and isolated tstms. .WED...HURRICANE CONDITIONS POSSIBLE. W of 85W, W winds 15 to 20 kt. E of 85W, SW to W winds 35 to 40 kt, diminishing to 20 to 25 kt in the afternoon. Seas 10 to 16 ft in E swell, subsiding to 7 to 10 ft in E to SE swell in the afternoon. .WED NIGHT...SW to W winds 15 to 20 kt. Seas 5 to 7 ft. .THU...SW winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...S winds 10 kt. Seas 2 to 4 ft. .FRI...SE to S winds 10 kt. Seas 3 ft or less. $$ GMZ058-282100- W Central Gulf from 22N to 26N W of 94W- 457 AM EDT Mon Aug 28 2023 .TODAY...NW winds 10 to 15 kt. Seas 3 ft or less. .TONIGHT...N to NE winds 10 to 15 kt, shifting to SW to W late. Seas 3 ft or less. .TUE...W to NW winds 10 to 15 kt. Seas 3 ft or less. .TUE NIGHT...N to NE winds 10 kt, shifting to NW late. Seas 3 ft or less. .WED...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 to 5 ft in E swell. .THU...NW winds 10 kt, shifting to N to NE in the afternoon. Seas 3 to 5 ft. .THU NIGHT...E winds 10 kt. Seas 3 ft or less. .FRI...Variable winds less than 5 kt, becoming NE 10 kt in the afternoon. Seas 3 ft or less. $$ GMZ045-282100- W Central Gulf from 22N to 26N between 91W and 94W- 457 AM EDT Mon Aug 28 2023 .TODAY...N winds 10 to 15 kt. Seas 3 ft or less. .TONIGHT...N winds 10 to 15 kt. Seas 3 ft or less. .TUE...NW winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NW winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...N winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 to 5 ft in NE to E swell. .THU...S to SW winds 10 kt, shifting to N to NE in the afternoon. Seas 2 to 4 ft. .THU NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .FRI...SE to S winds 10 kt. Seas 3 ft or less. $$ GMZ046-282100- Central Gulf from 22N to 26N between 87W and 91W- 457 AM EDT Mon Aug 28 2023 .TODAY...N to NE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .TONIGHT...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .TUE...NW winds 15 to 20 kt. Seas 6 to 9 ft in E swell. Scattered showers and isolated tstms. .TUE NIGHT...W winds 15 to 20 kt. Seas 6 to 9 ft in NE to E swell. Scattered showers and isolated tstms. .WED...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. .THU...S to SW winds 10 kt. Seas 2 to 4 ft. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less. .FRI...SE to S winds 10 kt. Seas 3 ft or less. $$ GMZ047-282100- SE Gulf from 22N to 26N E of 87W including Straits of Florida- 457 AM EDT Mon Aug 28 2023 ...HURRICANE WARNING... .TODAY...HURRICANE CONDITIONS POSSIBLE. E winds 25 to 30 kt S of 24N, and E to SE 15 to 20 kt N of 24N. Seas 3 to 5 ft, building to 6 to 8 ft in SE to S swell in the afternoon. Scattered tstms. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, E winds 40 to 45 kt, increasing to 55 to 65 kt late. N of 24N, E to SE winds 15 to 20 kt, increasing to 25 to 30 kt late. Seas 7 to 11 ft in SE to S swell, building to 10 to 16 ft in SE to S swell late. Scattered showers and isolated tstms. .TUE...HURRICANE CONDITIONS EXPECTED. S of 24N, SW winds 60 to 70 kt, diminishing to 40 to 45 kt in the afternoon. N of 24N, E winds 45 to 50 kt, increasing to 70 to 80 kt in the afternoon. Seas 16 to 24 ft in SE swell. Scattered showers and isolated tstms. .TUE NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, S to SW winds 20 to 25 kt. N of 24N, SW to W winds 60 to 70 kt, becoming SW 30 to 35 kt late. Seas 15 to 23 ft in NE swell, subsiding to 9 to 14 ft in N to NE swell late. Scattered showers and isolated tstms. .WED...SW winds 20 to 25 kt. Seas 6 to 9 ft in S swell. .WED NIGHT...S to SW winds 15 to 20 kt. Seas 5 to 7 ft. .THU...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...S winds 10 kt. Seas 2 to 4 ft. .FRI...SE winds 10 kt. Seas 3 ft or less. $$ GMZ048-282100- SW Gulf S of 22N W of 94W- 457 AM EDT Mon Aug 28 2023 .TODAY...NW to N winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .TONIGHT...N winds 10 to 15 kt, shifting to NW late. Seas 3 ft or less. Scattered showers and isolated tstms. .TUE...W to NW winds 10 kt. Seas 3 ft or less. .TUE NIGHT...N to NE winds 10 kt, shifting to SW late. Seas 3 ft or less. .WED...W to NW winds 10 kt. Seas 3 ft or less. .WED NIGHT...N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 ft or less. .THU...SW to W winds 10 kt, shifting to N in the afternoon. Seas 3 ft or less. .THU NIGHT...NE to E winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 ft or less. .FRI...Variable winds less than 5 kt. Seas 3 ft or less. $$ GMZ049-282100- Central Bay of Campeche- 457 AM EDT Mon Aug 28 2023 .TODAY...NW to N winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .TONIGHT...NW to N winds 10 to 15 kt. Seas 3 ft or less. .TUE...W to NW winds 10 kt. Seas 3 ft or less. .TUE NIGHT...W to NW winds 10 kt. Seas 3 ft or less. .WED...W winds 10 kt. Seas 3 ft or less. .WED NIGHT...Variable winds less than 5 kt. Seas 3 ft or less. .THU...SW to W winds 10 kt. Seas 3 ft or less. .THU NIGHT...N winds 10 kt, shifting to SE late. Seas 3 ft or less. .FRI...SE to S winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. $$ GMZ050-282100- E Bay of Campeche including Campeche Bank- 457 AM EDT Mon Aug 28 2023 .TODAY...NW to N winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .TONIGHT...NW to N winds 10 to 15 kt W of 90W, and NW to N 15 to 20 kt E of 90W. Seas 2 to 4 ft. .TUE...W to NW winds 15 to 20 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .TUE NIGHT...W to NW winds 10 kt. Seas 2 to 4 ft. .WED...W winds 10 kt. Seas 2 to 4 ft. .WED NIGHT...W to NW winds 10 kt, shifting to S to SW late. Seas 3 ft or less. .THU...S to SW winds 10 kt, shifting to W in the afternoon. Seas 3 ft or less. .THU NIGHT...NE winds 10 kt, shifting to SE late. Seas 3 ft or less. .FRI...SE winds 10 kt, shifting to NE in the afternoon. Seas 3 ft or less. $$ Forecaster Lewitsky