000 FZNT24 KNHC 300921 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 521 AM EDT Thu Sep 30 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. GMZ001-302130- Synopsis for the Gulf of Mexico 521 AM EDT Thu Sep 30 2021 .SYNOPSIS...Weak high pressure will persist over the Gulf through tonight, supporting gentle to moderate southerly winds across the basin. A weak cold front will move southward over the eastern Gulf Fri and dissipate over the southeast Gulf by Sat. Stronger higher pressure will build across the region behind the front, allowing winds and seas to increase over mainly the southeast Gulf. Seas may build to 7 ft over the Straits of Florida by Sat night. Light to gentle breezes and slight seas will follow over most of the Gulf through early next week. $$ GMZ011-302130- NW Gulf including Stetson Bank- 521 AM EDT Thu Sep 30 2021 .TODAY...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Scattered tstms. .TONIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .FRI...SE winds 10 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...SE winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...SE winds 10 kt. Seas 3 ft or less. .SUN...Variable winds less than 5 kt. Seas 3 ft or less in E to SE swell. .SUN NIGHT...Variable winds less than 5 kt. Seas 3 ft or less in E to SE swell. .MON...Variable winds less than 5 kt, becoming N 10 kt in the afternoon. Seas 3 ft or less. .MON NIGHT...N winds 10 kt. Seas 3 ft or less. $$ GMZ013-302130- N Central Gulf including Flower Garden Banks Marine Sanctuary- 521 AM EDT Thu Sep 30 2021 .TODAY...SE winds 10 to 15 kt. Seas 2 to 4 ft. Isolated tstms. .TONIGHT...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. Scattered showers and isolated tstms. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 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. .SUN...SE winds 10 kt. Seas 2 to 4 ft. .SUN NIGHT...E to SE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 2 to 4 ft. .MON...Variable winds less than 5 kt. Seas 2 to 4 ft in E to SE swell. .MON NIGHT...Variable winds less than 5 kt. Seas 3 ft or less in E to SE swell, subsiding to 3 ft or less late. $$ GMZ015-302130- NE Gulf N of 25N E of 87W- 521 AM EDT Thu Sep 30 2021 .TODAY...E winds 10 kt. Seas 3 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .FRI...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...E to SE winds 15 kt. Seas 2 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds 10 kt. Seas 2 to 4 ft. .MON...E to SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 2 to 4 ft. .MON NIGHT...Variable winds less than 5 kt. Seas 3 ft or less. $$ GMZ017-302130- W Central Gulf from 22N to 26N W of 94W- 521 AM EDT Thu Sep 30 2021 .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .FRI...SE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .SAT...SE winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...E to SE winds 10 kt. Seas 2 to 4 ft. .SUN...E to SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .SUN NIGHT...NE to E winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 ft or less. .MON...Variable winds less than 5 kt, becoming N to NE 10 kt in the afternoon. Seas 3 ft or less. .MON NIGHT...N to NE winds 10 kt. Seas 3 ft or less. $$ GMZ019-302130- Central Gulf from 22N to 26N between 87W and 94W- 521 AM EDT Thu Sep 30 2021 .TODAY...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .MON...NE to E winds 10 kt. Seas 2 to 4 ft. .MON NIGHT...NE to E winds 10 kt. Seas 3 ft or less. $$ GMZ021-302130- E Gulf from 22N to 25N E of 87W including Straits of Florida- 521 AM EDT Thu Sep 30 2021 .TODAY...E winds 10 to 15 kt. Seas 3 ft or less. .TONIGHT...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 15 kt. Seas 3 to 5 ft. .SAT...E winds 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .MON...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ023-302130- SW Gulf S of 22N W of 94W- 521 AM EDT Thu Sep 30 2021 .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...E to SE winds 10 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .SAT...E winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...NE to E winds 10 kt. Seas 2 to 4 ft. .SUN...NE to E winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .SUN NIGHT...N to NE winds 10 kt. Seas 3 ft or less. .MON...N winds 10 kt. Seas 3 ft or less. .MON NIGHT...N winds 10 kt. Seas 3 ft or less. $$ GMZ025-302130- E Bay of Campeche including Campeche Bank- 521 AM EDT Thu Sep 30 2021 .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. .FRI...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .SAT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E winds 10 kt. Seas 2 to 4 ft. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less, building to 2 to 4 ft late. .MON...NE to E winds 10 kt. Seas 2 to 4 ft, subsiding to 3 ft or less in the afternoon. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. $$ Forecaster AKR