000 FZNT32 KNHC 202046 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 446 PM EDT Fri Aug 20 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 is near 20.5N 95.1W 979 mb at 5 PM EDT moving W at 9 kt. Maximum sustained winds 80 kt gusts 100 kt. Grace will move to 20.4N 96.6W Sat morning then move inland and weaken to a tropical storm near 19.9N 98.9W Sat afternoon. Grace will weaken to a tropical depression near Michoacan, Mexico, 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 .TONIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 3 ft. .MON...E winds less than 10 kt. Seas 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...SE winds 10 to 15 kt. Seas 2 ft or less. .WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico from 22N to 26N W of 87W ...TROPICAL STORM WARNING... .TONIGHT...TROPICAL STORM CONDITIONS. E winds 30 to 40 kt. Seas 8 to 11 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 6 to 9 ft. .SAT NIGHT...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 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...E winds 10 to 15 kt. Seas 3 ft. SW Gulf of Mexico S of 22N W of 87W ...HURRICANE WARNING... .TONIGHT...HURRICANE CONDITIONS. Within 60 nm of coast of Veracruz, NE winds 65 to 75 kt, becoming SE 75 to 85 kt after midnight,Seas 17 to 22 ft. Elsewhere, SE winds 70 to 80 kt, diminishing to 40 to 50 kt after midnight,Seas 10 to 15 ft, subsiding to 7 to 10 ft after midnight. .SAT...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of coast of Veracruz, SE winds 60 to 70 kt, diminishing to 15 to 25 kt in the afternoon,Seas 9 to 14 ft, subsiding to 6 to 8 ft in the afternoon. Elsewhere, SE winds 25 to 35 kt, becoming E 15 to 25 kt in the afternoon,Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .MON...N winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...NE winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 2 ft or less. .TUE...Within 60 nm of coast of Veracruz, N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...NE winds 10 to 20 kt. Seas 2 ft or less. .WED...Within 60 nm of coast of Veracruz, N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less. Gulf of Mexico E of 87W .TONIGHT...NE winds 10 to 15 kt. Seas 3 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft. .SUN...E winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft. .MON...E winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...E winds 10 to 20 kt. Seas 2 ft or less. .TUE...SE winds 10 to 20 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft.