000 FZNT32 KNHC 290857 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 457 AM EDT Tue Aug 29 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...Hurricane Idalia is near 23.1N 85.0W at 5 AM EDT, and is moving north at 12 kt. Maximum sustained winds are 65 kt with gusts to 80 kt, and the minimum central pressure is 981 mb. Idalia will move to 24.9N 84.8W this afternoon, 27.8N 84.3W Wed morning, inland to 30.6N 82.9W Wed afternoon, move inland and weaken to a tropical storm near 32.7N 80.5W Thu morning, 33.8N 77.5W Thu afternoon, and 33.9N 74.4W Fri morning. Idalia will change little in intensity as it moves to 33.3N 71.5W early Sat. 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 20 kt. Seas 3 to 4 ft. .TONIGHT...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 less than 10 kt. Seas 2 ft or less. .FRI NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...NW winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...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 10 to 15 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. Seas 3 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...SE winds 10 to 15 kt. Seas 3 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...W winds less than 10 kt within 60 nm of coast of Veracruz, and NW 10 to 15 kt elsewhere. Seas 2 ft or less. .TONIGHT...Within 60 nm of coast of Veracruz, Variable winds less than 10 kt, becoming S less than 10 kt 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...Within 60 nm of coast of Veracruz, SE winds less than 10 kt. Elsewhere, NW winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less. .FRI...Within 60 nm of coast of Veracruz, S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 20 kt elsewhere. Seas 2 ft or less. .SAT...Within 60 nm of coast of Veracruz, Variable winds less than 10 kt, becoming NE 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 ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS. E winds 60 to 70 kt, becoming SE 70 to 80 kt in the afternoon. Seas 8 to 11 ft, building to 11 to 16 ft in the afternoon. .TONIGHT...HURRICANE CONDITIONS EXPECTED. W winds 80 to 90 kt. Seas 13 to 18 ft. .WED...TROPICAL STORM CONDITIONS EXPECTED. SW winds 80 to 90 kt, diminishing to 20 to 30 kt in the afternoon. Seas 10 to 15 ft, subsiding to 7 to 10 ft in the afternoon. .WED NIGHT...SW winds 15 to 25 kt. Seas 5 to 7 ft. .THU...SW winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...S winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SAT...E winds 10 to 15 kt. Seas 2 ft or less.