000 FZNT32 KNHC 190921 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 521 AM EDT Thu Aug 19 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 20.0N 87.2W 986 mb at 5 AM EDT moving W at 15 kt. Maximum sustained winds 70 kt gusts 85 kt. Grace will move inland and weaken to a tropical storm near 20.3N 89.7W this afternoon, 20.6N 92.6W Fri morning, strengthen to a hurricane near 20.5N 95.0W Fri afternoon, move inland and weaken to a tropical storm near 20.1N 97.3W Sat morning, move inland and weaken to a tropical depression near 19.7N 100.1W Sat afternoon, and dissipate Sun 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. Gulf of Mexico N of 26N W of 87W .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .MON...E winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 7 to 10 ft. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 7 to 10 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 8 to 11 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 8 to 11 ft. .SAT...E winds 20 to 30 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...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. Within 60 nm of coast of Veracruz, E winds 10 to 15 kt, shifting to NE in the afternoon. Elsewhere, NE winds 20 to 30 kt, increasing to 30 to 40 kt in the afternoon. Seas 3 to 4 ft within 60 nm of coast of Veracruz, and 4 to 6 ft elsewhere. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. N winds 10 to 15 kt within 60 nm of coast of Veracruz, and NE 45 to 55 kt elsewhere. Seas 3 ft within 60 nm of coast of Veracruz, and 7 to 10 ft elsewhere. .FRI...HURRICANE CONDITIONS EXPECTED. Within 60 nm of coast of Veracruz, NW winds 20 to 30 kt, increasing to 40 to 50 kt in the afternoon,Seas 4 to 6 ft, building to 8 to 13 ft in the afternoon. Elsewhere, SE winds 55 to 65 kt,Seas 10 to 15 ft. .FRI NIGHT...HURRICANE CONDITIONS EXPECTED. Within 60 nm of coast of Veracruz, NE winds 55 to 65 kt, becoming E 45 to 55 kt after midnight,Seas 14 to 19 ft. Elsewhere, SE winds 55 to 65 kt, becoming E 25 to 35 kt after midnight,Seas 9 to 14 ft, subsiding to 7 to 10 ft after midnight. .SAT...E winds 20 to 30 kt. Within 60 nm of coast of Veracruz, seas 8 to 13 ft, subsiding to 6 to 9 ft in the afternoon. Elsewhere, seas 5 to 7 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt within 60 nm of coast of Veracruz, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...Within 60 nm of coast of Veracruz, E winds 10 to 15 kt, shifting to N in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .TODAY...E winds 20 to 30 kt. Seas 6 to 9 ft. .TONIGHT...E winds 15 to 25 kt, shifting to NE 10 to 15 kt after midnight. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. .MON...E winds 10 to 15 kt. Seas 2 ft or less.