000 FZNT24 KNHC 191453 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1053 AM 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. GMZ001-200300- Synopsis for the Gulf of Mexico 1053 AM EDT Thu Aug 19 2021 .SYNOPSIS...Tropical Storm Grace near 20.2N 88.8W 994 mb at 11 AM EDT moving W at 16 kt. Maximum sustained winds 55 kt gusts 65 kt. Grace will move to 20.6N 91.2W this evening, strengthen to a hurricane near 20.6N 94.0W Fri morning, 20.4N 96.3W Fri evening, move inland and weaken to a tropical storm near 20.0N 98.7W Sat morning. Conditions associated with Grace will affect the Yucatan channel and region N of the Yucatan peninsula today and the Bay of Campeche tonight through Sat. $$ GMZ011-200300- NW Gulf including Stetson Bank- 1053 AM EDT Thu Aug 19 2021 .TODAY...E to SE winds 10 to 15 kt in the afternoon. Seas 2 to 4 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft, building to 5 to 7 ft in E to SE swell late. .FRI...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in NE to E swell. .FRI NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in E swell. .SAT...E to SE winds 10 to 15 kt. Seas 6 to 9 ft in SE to S swell. .SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. .SUN...E to SE winds 10 kt. Seas 4 to 6 ft in SE to S swell. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E to SE winds 10 kt. Seas 2 to 4 ft. $$ GMZ013-200300- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1053 AM EDT Thu Aug 19 2021 .TODAY...E to SE winds 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in SE swell. .FRI...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in SE swell. .FRI NIGHT...E to SE winds 15 to 20 kt W of 90W, and SE 10 kt elsewhere. Seas 6 to 8 ft in SE to S swell. .SAT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in S swell. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E to SE winds 10 kt. Seas 2 to 4 ft. .MON...E winds 10 kt. Seas 3 ft or less. $$ GMZ015-200300- NE Gulf N of 25N E of 87W- 1053 AM EDT Thu Aug 19 2021 .TODAY...S of 27N, E to SE winds 15 to 20 kt in the afternoon. Elsewhere, E to SE winds 10 kt in the afternoon. Seas 4 to 6 ft in SE to S swell. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in S swell. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 kt. Seas 3 ft or less. .SAT...NE to E winds 10 kt. Seas 3 ft or less. .SAT NIGHT...S of 27N, E winds 10 to 15 kt. Elsewhere, SE to S winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 ft or less. .SUN...E winds 10 to 15 kt. Seas 3 ft or less. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .MON...E to SE winds 10 kt. Seas 3 ft or less. $$ GMZ017-200300- W Central Gulf from 22N to 26N W of 94W- 1053 AM EDT Thu Aug 19 2021 ...TROPICAL STORM WARNING... .TODAY...E winds 10 to 15 kt in the afternoon. Seas 2 to 4 ft. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 20 kt W of 96W, and NE to E 20 to 25 kt elsewhere. Seas 3 to 5 ft, building to 7 to 10 ft in E swell late. Scattered showers and isolated tstms. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. W of 96W, NE to E winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. Elsewhere, E winds 30 to 35 kt. Seas 10 to 15 ft in NE swell. Scattered showers and isolated tstms. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 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 9 to 13 ft in S swell. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in E swell. .SUN...E to SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 kt. Seas 2 to 4 ft. $$ GMZ019-200300- Central Gulf from 22N to 26N between 87W and 94W- 1053 AM EDT Thu Aug 19 2021 ...TROPICAL STORM WARNING... .TODAY...E winds 25 to 30 kt in the afternoon. Seas 9 to 13 ft in E swell. Scattered showers and isolated tstms. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 30 to 35 kt S of 24N, and E 25 to 30 kt elsewhere. Seas 10 to 15 ft in NE swell. Scattered showers and isolated tstms. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 30 to 35 kt S of 24N, and E to SE 20 to 25 kt elsewhere. Seas 10 to 15 ft in SE swell. Scattered showers and isolated tstms. .FRI NIGHT...E to SE winds 25 to 30 kt. Seas 7 to 11 ft in S swell. .SAT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in S to SW swell. .SAT NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ021-200300- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1053 AM EDT Thu Aug 19 2021 .TODAY...E to SE winds 20 to 25 kt in the afternoon. Seas 9 to 14 ft in SE to S swell. Scattered showers and isolated tstms. .TONIGHT...E winds 15 to 20 kt. Seas 7 to 10 ft in SE to S swell, subsiding to 4 to 6 ft late. .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 to 15 kt. Seas 3 ft or less. .MON...E winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ023-200300- SW Gulf S of 22N W of 94W- 1053 AM EDT Thu Aug 19 2021 ...HURRICANE WARNING... .TODAY...N to NE winds 10 to 15 kt in the afternoon. Seas 2 to 4 ft. .TONIGHT...HURRICANE CONDITIONS POSSIBLE. NW to N winds 15 to 20 kt S of 21N W of 95W, and N 25 to 30 kt elsewhere. Seas 3 ft or less, building to 6 to 9 ft in NE to E swell late. Scattered showers and isolated tstms. .FRI...TROPICAL STORM CONDITIONS EXPECTED. S of 21N W of 95W, W to NW winds 30 to 35 kt. Elsewhere, NW to N winds 50 to 55 kt, shifting to NE to E 60 to 65 kt in the afternoon. Seas 11 to 17 ft in NE swell, building to 16 to 25 ft in NE swell in the afternoon. Scattered showers and isolated tstms. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 21N W of 95W, S winds 60 to 70 kt, becoming SE 45 to 50 kt late. Elsewhere, E to SE winds 50 to 55 kt, diminishing to 35 to 40 kt late. Seas 16 to 25 ft in NW to N swell. Scattered showers and isolated tstms. .SAT...E to SE winds 20 to 25 kt. Seas 10 to 16 ft in W swell, subsiding to 7 to 11 ft in NW to N swell in the afternoon. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 15 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 kt. Seas 2 to 4 ft. $$ GMZ025-200300- E Bay of Campeche including Campeche Bank- 1053 AM EDT Thu Aug 19 2021 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. N to NE winds 30 to 35 kt in the afternoon. Seas 6 to 8 ft. Scattered showers and isolated tstms. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of coast of Campeche, SW winds 50 to 55 kt, becoming SE to S 30 to 35 kt late. Elsewhere, N to NE winds 50 to 55 kt, shifting to SE 55 to 60 kt late. Seas 10 to 16 ft in N to NE swell. Scattered showers and isolated tstms. .FRI...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of coast of Campeche, SE winds 20 to 25 kt. Elsewhere, SE winds 55 to 60 kt, diminishing to 35 to 40 kt in the afternoon. Seas 12 to 19 ft in SW swell. Scattered showers and isolated tstms. .FRI NIGHT...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 30 kt elsewhere. Seas 7 to 10 ft. 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 5 to 7 ft. .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. .MON...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. $$ Forecaster AL