000 FZNT24 KNHC 201453 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1053 AM EDT Fri Aug 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. GMZ001-210300- Synopsis for the Gulf of Mexico 1053 AM EDT Fri Aug 20 2021 .SYNOPSIS...Newly upgraded Hurricane Grace is near 20.6N 94.3W 982 mb at 11 AM EDT moving W at 12 kt. Maximum sustained winds 75 kt gusts 90 kt. Grace will move to 20.4N 95.9W this evening, move inland and weaken to a tropical storm near 20.0N 98.2W Sat morning, be near Michoacan, Mexico, Sat evening, and dissipate Sun morning. High pressure will build in the wake of Grace and prevail through early next week. $$ GMZ011-210300- NW Gulf including Stetson Bank- 1053 AM EDT Fri Aug 20 2021 .TODAY...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in E swell. .TONIGHT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in E to SE swell. .SAT...SE winds 10 to 15 kt. Seas 6 to 8 ft in SE to S swell. .SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. .SUN...E to SE winds 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E to SE winds 10 kt. Seas 2 to 4 ft. .MON...E to SE winds 10 kt. Seas 3 ft or less. .MON NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .TUE...Variable winds less than 5 kt, becoming E 10 kt in the afternoon. Seas 3 ft or less. $$ GMZ013-210300- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1053 AM EDT Fri Aug 20 2021 .TODAY...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E to SE winds 15 to 20 kt W of 90W, and SE 10 kt elsewhere. Seas 5 to 7 ft. .SAT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E to SE winds 10 to 15 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...E 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 kt. Seas 3 ft or less. $$ GMZ015-210300- NE Gulf N of 25N E of 87W- 1053 AM EDT Fri Aug 20 2021 .TODAY...E winds 10 kt. Seas 2 to 4 ft. .TONIGHT...N winds 10 kt, shifting to NE to E late. Seas 3 ft or less. .SAT...NE to E winds 10 kt. Seas 3 ft or less. .SAT NIGHT...E winds 10 kt. Seas 3 ft or less. .SUN...E winds 10 kt. Seas 3 ft or less. .SUN NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .MON...E to SE winds 10 kt. Seas 3 ft or less. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .TUE...E to SE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ017-210300- W Central Gulf from 22N to 26N W of 94W- 1053 AM EDT Fri Aug 20 2021 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. E winds 30 to 35 kt. Seas 11 to 17 ft in NE swell. Scattered showers and isolated tstms. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 35 kt. Seas 11 to 17 ft in E swell. Scattered showers and isolated tstms. .SAT...E to SE winds 20 to 25 kt. Seas 8 to 12 ft in SE to S swell. Scattered showers and isolated tstms. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 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. $$ GMZ019-210300- Central Gulf from 22N to 26N between 87W and 94W- 1053 AM EDT Fri Aug 20 2021 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. S of 24N, E to SE winds 30 to 35 kt. Elsewhere, E to SE winds 20 to 25 kt. Seas 9 to 14 ft in E to SE swell. Scattered showers and isolated tstms. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 25 to 35 kt. Seas 7 to 10 ft in S swell. .SAT...E to SE winds 20 to 25 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .MON...E winds 10 to 15 kt. Seas 3 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .TUE...E winds 10 kt. Seas 3 ft or less. $$ GMZ021-210300- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1053 AM EDT Fri Aug 20 2021 .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...E winds 10 kt. Seas 3 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .SUN...E winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .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 15 to 20 kt. Seas 2 to 4 ft. $$ GMZ023-210300- SW Gulf S of 22N W of 94W- 1053 AM EDT Fri Aug 20 2021 ...HURRICANE WARNING... .TODAY...HURRICANE CONDITIONS. S of 21N W of 95W, W to NW winds 40 to 45 kt. Elsewhere, NE to E winds 65 to 75 kt. Seas 16 to 25 ft in NE swell. Numerous showers and isolated tstms. .TONIGHT...HURRICANE CONDITIONS EXPECTED. S of 21N W of 95W, SE to S winds 70 to 80 kt. Elsewhere, E to SE winds 55 to 65 kt, diminishing to 40 to 45 kt late. Seas 17 to 26 ft in NW to N swell. Scattered showers and isolated tstms. .SAT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 35 to 40 kt, becoming E to SE 20 to 25 kt in the afternoon. Seas 11 to 17 ft in NW to N swell, subsiding to 7 to 10 ft in N to NE swell in the afternoon. Scattered tstms. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. Numerous showers and scattered tstms. .SUN...S of 21N W of 95W, S winds 10 kt in the morning, becoming variable less than 5 kt. Elsewhere, E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON...NE winds 10 kt. Seas 3 ft or less. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. .TUE...N to NE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ025-210300- E Bay of Campeche including Campeche Bank- 1053 AM EDT Fri Aug 20 2021 ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS. Within 60 nm of coast of Campeche, SE winds 15 to 20 kt. Elsewhere, SE winds 50 to 55 kt. Seas 12 to 19 ft in N to NE swell. Scattered showers and isolated tstms. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 15 to 20 kt within 60 nm of coast of Campeche, and E to SE 25 to 35 kt elsewhere. Seas 8 to 12 ft in SW to W swell, subsiding to 6 to 8 ft in W swell late. Scattered showers and isolated tstms. .SAT...E to SE winds 20 to 25 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .SUN...E winds 15 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON...E winds 10 to 15 kt. Seas 2 to 4 ft. .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. $$ Forecaster KONARIK