FZNT24 KNHC 210730 OFFNT4 Offshore Waters Forecast for the Gulf of America NWS National Hurricane Center Miami, FL 330 AM EDT Tue Apr 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. GMZ001-211930- Synopsis for the Gulf of America 330 AM EDT Tue Apr 21 2026 .SYNOPSIS...A cold front extends across the Florida Straits westward to near 24N85W, then dissipating front to 22N93W. Fresh to locally strong NE winds and moderate to rough seas will prevail N of the front today. The western portion of this boundary will gradually dissipate over the central and western Gulf today, while the eastern portion will move across Cuba and the Yucatan Channel before stalling along about 21N Wed and dissipating early Thu. Gentle to moderate southeasterly winds will return to the Gulf on Thu. $$ GMZ040-211930- NW Gulf of America including Stetson Bank- 330 AM EDT Tue Apr 21 2026 .TODAY...SE winds 15 to 20 kt. Seas 5 to 7 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 15 kt. Seas 4 to 6 ft in E swell. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 15 kt. Seas 3 to 5 ft. .FRI...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ041-211930- SW Louisiana Offshore Waters including Flower Garden Bank Marine Sanctuary- 330 AM EDT Tue Apr 21 2026 .TODAY...E to SE winds 15 to 20 kt. Seas 5 to 7 ft in E swell. .TONIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft in E swell. .WED...E to SE winds 10 to 15 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 kt. Seas 5 to 7 ft in E to SE swell. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE to S 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 to S winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ056-211930- N Central Gulf of America Offshore Waters- 330 AM EDT Tue Apr 21 2026 .TODAY...E winds 20 kt. Seas 6 to 9 ft in E swell. .TONIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in E to SE swell. .WED...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. Scattered showers. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in E to SE swell. .THU...E to SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. .FRI...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 kt. Seas 2 to 4 ft. .SAT...SE to S winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ057-211930- NE Gulf of America N of 26N E of 87W- 330 AM EDT Tue Apr 21 2026 .TODAY...E winds 20 to 25 kt. Seas 6 to 9 ft in E swell. .TONIGHT...NE to E winds 10 to 15 kt, becoming E to SE 20 to 25 kt late. Seas 6 to 8 ft. .WED...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in SE swell. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in SE swell. .THU...E to SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in SE swell. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 kt. Seas 2 to 4 ft. .SAT...SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .SAT NIGHT...Variable winds less than 5 kt. Seas 3 ft or less in SE swell, subsiding to 3 ft or less late. $$ GMZ058-211930- W Central Gulf of America from 22N to 26N W of 94W- 330 AM EDT Tue Apr 21 2026 .TODAY...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 15 kt. Seas 4 to 6 ft in NE to E swell. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ045-211930- W Central Gulf of America from 22N to 26N between 91W and 94W- 330 AM EDT Tue Apr 21 2026 .TODAY...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in NE swell. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in NE to E swell. .WED...SE winds 10 to 15 kt. Seas 5 to 7 ft in NE to E swell. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in E swell. .THU...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in E swell. .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...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ046-211930- Central Gulf of America from 22N to 26N between 87W and 91W- 330 AM EDT Tue Apr 21 2026 .TODAY...E winds 15 to 20 kt. Seas 6 to 9 ft in NE swell. .TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft in NE to E swell. .WED...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in E swell. Scattered showers. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in E swell. Scattered showers. .THU...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in E swell. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ047-211930- SE Gulf of America from 22N to 26N E of 87W including Straits of Florida- 330 AM EDT Tue Apr 21 2026 .TODAY...NE to E winds 20 to 25 kt. Seas 6 to 9 ft in NE swell. .TONIGHT...E winds 20 to 25 kt. Seas 6 to 9 ft in NE to E swell. .WED...E winds 15 to 20 kt. Seas 6 to 9 ft in E swell. Scattered showers. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. Scattered showers. .THU...E to SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 to 5 ft. .FRI NIGHT...E to SE winds 10 kt. Seas 2 to 4 ft. .SAT...E to SE winds 10 kt. Seas 3 ft or less. .SAT NIGHT...E winds 10 kt. Seas 3 ft or less. $$ GMZ048-211930- SW Gulf of America S of 22N W of 94W- 330 AM EDT Tue Apr 21 2026 .TODAY...NE to E winds 10 kt in the morning, becoming variable less than 5 kt. Seas 4 to 6 ft in N to NE swell. .TONIGHT...E winds 10 kt. Seas 3 to 5 ft. .WED...E to SE winds 10 kt. Seas 3 to 5 ft. .WED NIGHT...NE to E winds 10 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ049-211930- Central Bay of Campeche- 330 AM EDT Tue Apr 21 2026 .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...S of 20N, E to SE winds 10 kt in the morning, becoming variable less than 5 kt. N of 20N, E to SE winds 10 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...E to SE 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 to SE winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ050-211930- E Bay of Campeche including Campeche Bank- 330 AM EDT Tue Apr 21 2026 .TODAY...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .WED...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...SE winds 10 to 15 kt, shifting to NE in the afternoon. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...SE winds 10 to 15 kt, shifting to NE in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. $$ Forecaster AL