000 FZNT32 KNHC 210915 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 515 AM EDT Sat Aug 21 2021 Marine Weather HF Voice Broadcast 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. Synopsis for the Gulf of Mexico .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. Gulf of Mexico N of 26N W of 87W .TODAY...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .MON...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. Gulf of Mexico from 22N to 26N W of 87W ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt, diminishing to 15 to 25 kt in the afternoon. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 ft. .TUE...E winds less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...E winds less than 10 kt. Seas 3 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. SW Gulf of Mexico S of 22N W of 87W ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS WITH HURRICANE CONDITIONS POSSIBLE. Within 60 nm of coast of Veracruz, SE winds 65 to 79 kt, diminishing to 15 to 25 kt in the late afternoon. Seas 16 to 30 ft, subsiding to 7 to 10 ft in the afternoon. Elsewhere, E winds 20 to 30 kt. Seas 5 to 8 ft. .TONIGHT...E winds 10 to 20 kt within 60 nm of coast of Veracruz, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 2 ft or less. .TUE NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. Gulf of Mexico E of 87W .TODAY...E winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft. .MON...E winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.