377 FZNT32 KNHC 290258 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1058 PM 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 22.0N 85.0W at 11 PM EDT, and is moving north at 7 kt. Maximum sustained winds are 60 kt with gusts to 75 kt, and the minimum central pressure is 983 mb. Idalia will strengthen to a hurricane near 23.7N 85.0W Tue morning, move to 26.2N 84.6W Tue evening, 29.0N 83.7W Wed morning, move inland and weaken to a tropical storm near 31.5N 81.6W Wed evening, 33.2N 78.8W Thu morning, and 34.0N 76.0W Thu evening. Idalia will change little in intensity as it moves to 33.5N 72.0W late 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 .OVERNIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .TUE...N winds 10 to 20 kt. Seas 3 to 4 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...W winds less than 10 kt, shifting to N in the afternoon. 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 to 15 kt. Seas 2 ft or less. .FRI NIGHT...SE winds 10 to 20 kt. Seas 2 ft or less. .SAT...SE winds 10 to 20 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .OVERNIGHT...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. Seas 2 ft or less. .FRI NIGHT...SE winds 10 to 20 kt. Seas 2 ft or less. .SAT...SE winds 10 to 20 kt. Seas 2 ft or less. SW Gulf of Mexico S of 22N W of 87W .OVERNIGHT...NW winds less than 10 kt within 60 nm of coast of Veracruz, and N 10 to 20 kt elsewhere. Seas 2 ft or less. .TUE...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. .TUE NIGHT...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, N 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 20 kt. Seas 2 ft or less. Gulf of Mexico E of 87W ...HURRICANE WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. E winds 45 to 60 kt. Seas 6 to 9 ft. .TUE...TROPICAL STORM CONDITIONS EXPECTED. E winds 60 to 70 kt, becoming SE 70 to 80 kt in the afternoon. Seas 8 to 13 ft, building to 11 to 16 ft in the afternoon. .TUE NIGHT...HURRICANE CONDITIONS EXPECTED. S winds 70 to 80 kt, becoming SW 80 to 90 kt after midnight. Seas 13 to 18 ft. .WED...TROPICAL STORM CONDITIONS EXPECTED. SW winds 80 to 90 kt, diminishing to 25 to 35 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, shifting to SE in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SAT...NE winds 10 to 15 kt. Seas 2 ft or less.