000 FZNT24 KNHC 210218 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 918 PM EST Mon Dec 20 2021 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. GMZ001-211430- Synopsis for the Gulf of Mexico 918 PM EST Mon Dec 20 2021 .SYNOPSIS...A 1010 mb extratropical low in the central Gulf is accompanied by gales. This low will strengthen as it moves NE and into Florida on Tue, with gales continuing along its path, mainly within about 120 nm from the center in the NW semicircle. Showers and thunderstorms will also accompany the low pressure as well as the trailing cold front that will cross out of the basin by Tue night. Strong to near gale force NW winds will occur behind the front, but diminish Wed as high pressure builds in. On Fri and Sat, S return flow in the W Gulf will reach fresh to locally strong. $$ GMZ011-211430- NW Gulf including Stetson Bank- 918 PM EST Mon Dec 20 2021 .OVERNIGHT...N winds 15 kt. Seas 6 to 8 ft in E swell. .TUE...NW to N winds 10 to 15 kt. Seas 5 to 7 ft in E swell. .TUE NIGHT...N winds 10 kt in the late evening and early morning, becoming variable less than 5 kt. Seas 3 to 5 ft in E swell. .WED...Variable winds less than 5 kt, becoming SE to S 10 kt early in the evening. Seas 2 to 4 ft. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .THU...S winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...S winds 15 to 20 kt. Seas 3 to 5 ft. .FRI...S to SW winds 20 kt. Seas 4 to 6 ft. .FRI NIGHT...S to SW winds 15 to 20 kt. Seas 4 to 6 ft. .SAT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ013-211430- N Central Gulf including Flower Garden Banks Marine Sanctuary- 918 PM EST Mon Dec 20 2021 ...GALE WARNING... .OVERNIGHT...N winds 15 to 25 kt W of 90W, and N to NE 25 to 35 kt elsewhere. Seas 7 to 10 ft in NE to E swell. Scattered showers and isolated tstms. .TUE...NW to N winds 20 to 30 kt. Seas 7 to 10 ft in NE to E swell. .TUE NIGHT...NW to N winds 15 to 20 kt. Seas 6 to 9 ft in NE to E swell. .WED...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE to E winds 10 kt. Seas 2 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 ft or less. .THU NIGHT...S winds 15 to 20 kt. Seas 2 to 4 ft. .FRI...S winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...S to SW winds 15 to 20 kt. Seas 3 to 5 ft. .SAT...SW winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ015-211430- NE Gulf N of 25N E of 87W- 918 PM EST Mon Dec 20 2021 ...GALE WARNING... .OVERNIGHT...S of 27N, SE winds 15 to 20 kt, shifting to SW 20 to 25 kt early in the morning. Elsewhere, NE to E winds 25 to 35 kt. Seas 7 to 10 ft in E to SE swell. Numerous showers and scattered tstms. .TUE...NW winds 25 to 30 kt. Seas 7 to 10 ft in W to NW swell. .TUE NIGHT...NW winds 15 to 20 kt. Seas 6 to 9 ft in NW swell. .WED...NW to N winds 15 kt. Seas 6 to 8 ft in NW to N swell. .WED NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 kt. Seas 2 to 4 ft. .THU NIGHT...E winds 10 kt. Seas 3 ft or less. .FRI...SE winds 10 to 15 kt. Seas 3 ft or less. .FRI NIGHT...S winds 10 to 15 kt. Seas 3 ft or less. .SAT...S to SW winds 10 kt. Seas 3 ft or less. .SAT NIGHT...SW winds 10 kt. Seas 3 ft or less. $$ GMZ017-211430- W Central Gulf from 22N to 26N W of 94W- 918 PM EST Mon Dec 20 2021 .OVERNIGHT...N winds 15 to 20 kt. Seas 7 to 10 ft in NE swell. .TUE...NW to N winds 15 to 20 kt. Seas 6 to 8 ft in NE swell. .TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft in NE to E swell. .WED...E to SE winds 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. .FRI...S winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 15 to 20 kt. Seas 3 to 5 ft. .SAT...S winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ019-211430- Central Gulf from 22N to 26N between 87W and 94W- 918 PM EST Mon Dec 20 2021 .OVERNIGHT...NW to N winds 15 to 20 kt. Seas 7 to 10 ft in N swell. .TUE...NW to N winds 20 to 25 kt. Seas 7 to 10 ft in N to NE swell. .TUE NIGHT...NW to N winds 15 to 20 kt. Seas 7 to 10 ft in N to NE swell. .WED...N winds 10 to 15 kt. Seas 6 to 8 ft in NE swell. .WED NIGHT...NE winds 10 kt. Seas 3 to 5 ft. .THU...E winds 10 kt. Seas 2 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...SE to S winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...SE winds 10 kt. Seas 3 ft or less. $$ GMZ021-211430- E Gulf from 22N to 25N E of 87W including Straits of Florida- 918 PM EST Mon Dec 20 2021 .OVERNIGHT...S to SW winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .TUE...W to NW winds 15 to 20 kt. Seas 6 to 9 ft in NW swell. Scattered showers and isolated tstms. .TUE NIGHT...NW winds 15 to 20 kt. Seas 6 to 9 ft in NW to N swell. .WED...NW to N winds 15 kt. Seas 6 to 8 ft in N swell. .WED NIGHT...N winds 15 kt. Seas 4 to 6 ft. .THU...NE 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 to SE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .SAT...SE winds 10 kt in the late morning and early afternoon, becoming variable less than 5 kt. Seas 3 ft or less. .SAT NIGHT...E winds 10 kt. Seas 3 ft or less. $$ GMZ023-211430- SW Gulf S of 22N W of 94W- 918 PM EST Mon Dec 20 2021 .OVERNIGHT...NW to N winds 20 to 25 kt. Seas 8 to 12 ft in NW to N swell. Scattered showers and isolated tstms. .TUE...N winds 15 to 20 kt. Seas 7 to 10 ft in N to NE swell. Scattered showers and isolated tstms. .TUE NIGHT...N to NE winds 10 to 15 kt. Seas 6 to 8 ft in NE swell. .WED...NE to E winds 10 kt. Seas 4 to 6 ft in NE swell. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...SE to S winds 10 to 15 kt. Seas 3 ft or less. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ025-211430- E Bay of Campeche including Campeche Bank- 918 PM EST Mon Dec 20 2021 .OVERNIGHT...NW to N winds 15 to 20 kt within 60 nm of coast of Campeche, and NW to N 20 to 25 kt elsewhere. Seas 7 to 11 ft in NW swell. Scattered showers and isolated tstms. .TUE...N winds 15 to 20 kt. Seas 7 to 10 ft in N swell. Isolated tstms. .TUE NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft in N to NE swell. .WED...N winds 10 kt. Seas 4 to 6 ft in N to NE swell. .WED NIGHT...NE winds 10 kt. Seas 2 to 4 ft. .THU...E winds 10 kt. Seas 3 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .FRI...E to SE winds 10 to 15 kt. Seas 3 ft or less. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .SAT...SE winds 10 to 15 kt. Seas 3 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. $$ Forecaster KONARIK