000 FZNT32 KNHC 280857 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 457 AM EDT Mon Aug 28 2023 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...Tropical Storm Idalia is near 20.1N 85.2W at 5 AM EDT, and is moving north at 6 kt. Maximum sustained winds are 55 kt with gusts to 65 kt, and the minimum central pressure is 989 mb. Idalia will strengthen to a hurricane near 21.1N 85.1W this afternoon, move to 22.6N 85.1W Tue morning, 24.8N 84.8W Tue afternoon, 27.7N 84.0W Wed morning, inland to 30.7N 82.1W Wed afternoon, and weaken to a tropical storm near 32.8N 79.0W Thu morning. Idalia will change little in intensity as it moves to 34.5N 72.0W early Fri. High pressure and improving conditions will arrive in the wake of Idalia late in the week. Gulf of Mexico N of 26N W of 87W .TODAY...N winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .TUE...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED...N winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...N winds less than 10 kt, shifting to SE after midnight. Seas 4 to 6 ft. .THU...N winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .FRI...SE winds 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .TODAY...N winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...NW winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NW winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NW winds 10 to 15 kt, shifting to SE after midnight. Seas 3 to 5 ft. .THU...W winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 3 ft. .FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. SW Gulf of Mexico S of 22N W of 87W .TODAY...Within 60 nm of coast of Veracruz, NW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, NW winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...Within 60 nm of coast of Veracruz, N winds 10 to 15 kt, shifting to NW after midnight. Elsewhere, N winds 10 to 20 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...W winds less than 10 kt within 60 nm of coast of Veracruz, and NW 10 to 20 kt elsewhere. Seas 2 ft or less. .TUE NIGHT...Within 60 nm of coast of Veracruz, NE winds less than 10 kt, shifting to S after midnight. Elsewhere, NW winds 10 to 15 kt, shifting to W after midnight. Seas 2 ft or less. .WED...W winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...W winds less than 10 kt. Seas 2 ft or less. .THU...W winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...N winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less. .FRI...E winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico E of 87W ...HURRICANE WARNING... .TODAY...HURRICANE CONDITIONS POSSIBLE. E winds 20 to 30 kt. Seas 3 to 5 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 35 to 45 kt, becoming SE 55 to 65 kt after midnight. Seas 5 to 7 ft, building to 7 to 10 ft after midnight. .TUE...TROPICAL STORM CONDITIONS EXPECTED. E winds 60 to 70 kt, becoming SE 70 to 80 kt in the afternoon. Seas 10 to 15 ft. .TUE NIGHT...HURRICANE CONDITIONS EXPECTED. SW winds 75 to 90 kt. Seas 12 to 17 ft. .WED...HURRICANE CONDITIONS POSSIBLE. SW winds 55 to 65 kt, diminishing to 15 to 25 kt in the afternoon. Seas 7 to 10 ft. .WED NIGHT...SW winds 15 to 25 kt. Seas 5 to 7 ft. .THU...SW winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less.