000 FZNT24 KNHC 200306 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1106 PM EDT Thu Aug 19 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. GMZ001-201515- Synopsis for the Gulf of Mexico 1106 PM EDT Thu Aug 19 2021 .SYNOPSIS...Tropical Storm Grace near 20.8N 91.8W 994 mb at 11 PM EDT moving W at 14 kt. Maximum sustained winds 55 kt gusts 65 kt. Grace will strengthen to a hurricane near 20.8N 93.7W Fri morning, move to 20.7N 95.9W Fri evening, move inland and weaken to a tropical storm near 20.1N 98.2W Sat morning, weaken to a remnant low near 19.6N 100.5W Sat evening, and dissipate Sun morning. High pressure will build in the wake of Grace and prevail through early next week. $$ GMZ011-201515- NW Gulf including Stetson Bank- 1106 PM EDT Thu Aug 19 2021 .OVERNIGHT...SE winds 15 kt. Seas 4 to 6 ft. .FRI...E to SE winds 10 to 15 kt. Seas 6 to 9 ft in E swell. .FRI NIGHT...SE winds 15 to 20 kt. Seas 6 to 9 ft in E to SE swell. .SAT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E to SE winds 10 kt. Seas 2 to 4 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .MON...E to SE winds 10 kt. Seas 3 ft or less. .MON NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .TUE...Variable winds less than 5 kt, becoming E 10 kt early in the evening. Seas 3 ft or less. .TUE NIGHT...E to SE winds 10 kt. Seas 3 ft or less. $$ GMZ013-201515- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1106 PM EDT Thu Aug 19 2021 .OVERNIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in SE swell. .FRI...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in SE swell. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. .SAT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E to SE winds 10 kt. Seas 2 to 4 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...Variable winds less than 5 kt, becoming E 10 kt early in the evening. Seas 3 ft or less. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ015-201515- NE Gulf N of 25N E of 87W- 1106 PM EDT Thu Aug 19 2021 .OVERNIGHT...E winds 10 kt S of 27N, and variable less than 5 kt elsewhere. Seas 5 to 7 ft in SE to S swell. .FRI...E winds 10 kt in the late morning and early afternoon, becoming variable less than 5 kt. Seas 3 to 5 ft in S swell. .FRI NIGHT...NE to E winds 10 kt S of 27N, and variable less than 5 kt elsewhere. Seas 3 ft or less. .SAT...S of 27N, E winds 10 kt. Elsewhere, NE to E winds 10 kt in the late morning and early afternoon, becoming variable less than 5 kt. Seas 3 ft or less. .SAT NIGHT...E winds 10 kt. Seas 3 ft or less. .SUN...E winds 10 kt. Seas 3 ft or less. .SUN NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .MON...E to SE winds 10 kt. Seas 3 ft or less. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .TUE...E to SE winds 10 to 15 kt. Seas 3 ft or less. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ017-201515- W Central Gulf from 22N to 26N W of 94W- 1106 PM EDT Thu Aug 19 2021 ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. NE to E winds 15 to 20 kt W of 96W, and NE to E 30 to 35 kt elsewhere. W of 96W, seas 3 to 5 ft, building to 6 to 8 ft. Elsewhere, seas 7 to 10 ft, building to 9 to 14 ft. Scattered showers and isolated tstms. .FRI...TROPICAL STORM CONDITIONS EXPECTED. W of 96W, NE to E winds 20 to 25 kt, increasing to 30 to 35 kt. Elsewhere, E winds 35 to 40 kt. Seas 9 to 14 ft W of 96W, and 11 to 17 ft elsewhere. Scattered showers and isolated tstms. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 35 kt, becoming E to SE 20 to 25 kt. Seas 10 to 16 ft W of 96W, and 9 to 13 ft elsewhere. Scattered showers and isolated tstms. .SAT...E to SE winds 20 to 25 kt. Seas 6 to 9 ft. Scattered showers and isolated tstms. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .SUN...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E to SE 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 kt. Seas 3 ft or less. .TUE...E winds 10 kt. Seas 3 ft or less. .TUE NIGHT...E winds 10 kt. Seas 3 ft or less. $$ GMZ019-201515- Central Gulf from 22N to 26N between 87W and 94W- 1106 PM EDT Thu Aug 19 2021 ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. S of 24N, E winds 35 to 40 kt. Seas 10 to 16 ft. Elsewhere, E to SE winds 25 to 30 kt. Seas 7 to 11 ft. Scattered showers and isolated tstms. .FRI...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, E to SE winds 35 to 40 kt, diminishing to 25 to 30 kt. Elsewhere, E to SE winds 20 to 25 kt. Seas 9 to 13 ft S of 24N, and 7 to 11 ft elsewhere. Scattered showers and isolated tstms. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 20 to 25 kt. Seas 6 to 9 ft. .SAT...E winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .MON...E winds 10 kt. Seas 3 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .TUE...E winds 10 kt. Seas 3 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ021-201515- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1106 PM EDT Thu Aug 19 2021 .OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. .FRI...E 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 winds 10 to 15 kt. Seas 3 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .SUN...E winds 10 to 15 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. $$ GMZ023-201515- SW Gulf S of 22N W of 94W- 1106 PM EDT Thu Aug 19 2021 ...HURRICANE WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. S of 21N W of 95W, N winds 10 to 15 kt, becoming NW to N 20 to 25 kt. Elsewhere, N to NE winds 20 to 25 kt, becoming NW to N 35 to 40 kt. Seas 6 to 9 ft, building to 12 to 18 ft. Scattered showers and isolated tstms. .FRI...HURRICANE CONDITIONS EXPECTED. S of 21N W of 95W, NW winds 25 to 30 kt, becoming W 50 to 55 kt. Elsewhere, NW to N winds 60 to 65 kt, shifting to E to SE 60 to 70 kt. Seas 18 to 27 ft. Numerous showers and isolated tstms. .FRI NIGHT...HURRICANE CONDITIONS EXPECTED. S of 21N W of 95W, SE to S winds 65 to 75 kt, becoming SE 45 to 50 kt. Elsewhere, E to SE winds 50 to 55 kt, diminishing to 35 to 40 kt. Seas 17 to 26 ft, subsiding to 12 to 18 ft. Scattered showers and isolated tstms. .SAT...E to SE winds 20 to 25 kt. Seas 6 to 9 ft. Scattered tstms. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .SUN...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. .MON...NE winds 10 kt. Seas 3 ft or less. .MON NIGHT...NE winds 10 kt. Seas 3 ft or less. .TUE...Variable winds less than 5 kt, becoming N 10 kt early in the evening. Seas 3 ft or less. .TUE NIGHT...N to NE winds 10 kt. Seas 3 ft or less. $$ GMZ025-201515- E Bay of Campeche including Campeche Bank- 1106 PM EDT Thu Aug 19 2021 ...HURRICANE WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. Within 60 nm of coast of Campeche, S winds 40 to 45 kt, becoming SE to S 25 to 30 kt. Elsewhere, N to NE winds 50 to 55 kt, shifting to SE 55 to 60 kt. Seas 6 to 8 ft within 60 nm of coast of Campeche, and 13 to 20 ft elsewhere. Numerous showers and isolated tstms. .FRI...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of coast of Campeche, E to SE winds 20 to 25 kt. Seas 4 to 6 ft. Elsewhere, SE winds 60 to 65 kt, becoming E to SE 30 to 35 kt. Seas 11 to 17 ft, subsiding to 8 to 12 ft. Scattered showers and isolated tstms. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 20 to 25 kt. Seas 4 to 6 ft within 60 nm of coast of Campeche, and 6 to 9 ft elsewhere. .SAT...E winds 20 to 25 kt. Within 60 nm of coast of Campeche, seas 3 to 5 ft, subsiding to 3 ft or less. Elsewhere, seas 5 to 7 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .SUN...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .MON...NE to 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. .TUE NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. $$ Forecaster Lewitsky