000 FZNT24 KNHC 210915 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 515 AM EDT Sat Aug 21 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. GMZ001-212115- Synopsis for the Gulf of Mexico 515 AM EDT Sat Aug 21 2021 .SYNOPSIS...Hurricane Grace near 20.5N 97.8W 970 mb at 5 AM EDT moving W at 12 kt. Maximum sustained winds 95 kt gusts 115 kt. Grace will move farther inland and weaken to a tropical storm near 20.2N 99.6W this afternoon, weaken to a tropical depression near 20.1N 101.6W Sun morning, and dissipate Sun afternoon. High pressure will build in the wake of Grace and prevail through early next week. $$ GMZ011-212115- NW Gulf including Stetson Bank- 515 AM EDT Sat Aug 21 2021 .TODAY...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in SE to S swell. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. .SUN...E to SE winds 10 kt. Seas 4 to 6 ft in SE to S swell. .SUN NIGHT...E to SE winds 10 kt. Seas 2 to 4 ft. .MON...E to SE winds 10 kt. Seas 3 ft or less. .MON NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .TUE...Variable winds less than 5 kt, becoming E 10 kt in the afternoon. Seas 3 ft or less. .TUE NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .WED...E winds 10 kt. Seas 3 ft or less. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ013-212115- N Central Gulf including Flower Garden Banks Marine Sanctuary- 515 AM EDT Sat Aug 21 2021 .TODAY...E to SE winds 10 kt. Seas 4 to 6 ft in S swell. .TONIGHT...E to SE winds 10 kt. Seas 3 to 5 ft. .SUN...E winds 10 kt. Seas 2 to 4 ft. .SUN NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .MON...Variable winds less than 5 kt. Seas 3 ft or less. .MON NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .TUE...Variable winds less than 5 kt, becoming E 10 kt in the afternoon. Seas 3 ft or less. .TUE NIGHT...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 to SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ015-212115- NE Gulf N of 25N E of 87W- 515 AM EDT Sat Aug 21 2021 .TODAY...E winds 10 kt S of 27N, and variable less than 5 kt elsewhere. Seas 3 ft or less. .TONIGHT...E winds 10 kt S of 27N, and variable less than 5 kt elsewhere. Seas 3 ft or less. .SUN...E winds 10 kt S of 27N, and variable less than 5 kt elsewhere. Seas 3 ft or less. .SUN NIGHT...E winds 10 kt S of 27N, and variable less than 5 kt elsewhere. Seas 3 ft or less. .MON...E to SE winds 10 kt. Seas 3 ft or less. .MON NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .TUE...E to SE winds 10 to 15 kt. Seas 3 ft or less. .TUE NIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ017-212115- W Central Gulf from 22N to 26N W of 94W- 515 AM EDT Sat Aug 21 2021 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 25 to 30 kt. W of 96W, seas 12 to 18 ft, subsiding to 8 to 12 ft in the afternoon. Elsewhere, seas 9 to 13 ft, subsiding to 7 to 10 ft in the afternoon. Scattered showers and isolated tstms. .TONIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .SUN NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft. .MON...E to SE winds 10 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 10 kt. Seas 3 ft or less. .TUE...E winds 10 kt. Seas 3 ft or less. .TUE NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .WED...E to SE winds 10 kt. Seas 3 ft or less. .WED NIGHT...E to SE winds 10 kt. Seas 3 ft or less. $$ GMZ019-212115- Central Gulf from 22N to 26N between 87W and 94W- 515 AM EDT Sat Aug 21 2021 .TODAY...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell. .TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .MON...E winds 10 kt. Seas 3 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .TUE...E winds 10 kt. Seas 3 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ021-212115- E Gulf from 22N to 25N E of 87W including Straits of Florida- 515 AM EDT Sat Aug 21 2021 .TODAY...E winds 10 kt. Seas 3 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .SUN...E winds 10 kt. Seas 3 ft or less. .SUN NIGHT...E winds 10 kt. Seas 3 ft or less. .MON...E winds 10 kt. Seas 3 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...E winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ023-212115- SW Gulf S of 22N W of 94W- 515 AM EDT Sat Aug 21 2021 ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS WITH HURRICANE CONDITIONS POSSIBLE EARLY. E to SE winds 35 to 40 kt, diminishing to 20 to 25 kt in the afternoon, except E to SE winds 65 to 90 kt within 60 nm of Veracruz early. Seas 14 to 21 ft, subsiding to 8 to 12 ft in the afternoon, except 16 to 30 ft within 60 nm of Veracruz early. Numerous showers and tstms. .TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. Scattered tstms. .SUN...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON...NE winds 10 kt. Seas 2 to 4 ft. .MON NIGHT...NE winds 10 kt. Seas 3 ft or less. .TUE...N winds 10 kt. Seas 3 ft or less. .TUE NIGHT...N to NE winds 10 kt. Seas 3 ft or less. .WED...NE winds 10 kt. Seas 3 ft or less. .WED NIGHT...NE to E winds 10 kt. Seas 3 ft or less. $$ GMZ025-212115- E Bay of Campeche including Campeche Bank- 515 AM EDT Sat Aug 21 2021 .TODAY...E to SE winds 20 to 25 kt. Seas 7 to 10 ft in SW to W swell. .TONIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .MON...E winds 10 to 15 kt. Seas 3 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .TUE...E winds 10 to 15 kt. Seas 3 ft or less. .TUE NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. .WED...E winds 10 to 15 kt. Seas 3 ft or less. .WED NIGHT...E winds 15 to 20 kt. Seas 3 ft or less. $$ Forecaster Lewitsky