434 FZNT32 KNHC 250917 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 517 AM EDT Mon Oct 25 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...A ridge will dominate the Gulf waters producing gentle to moderate winds Mon through Tue. Fresh to strong southerly winds will develop in the NW Gulf Tue night into Wed ahead of a cold front expected to push off the Texas coast on Wed. The front will move across the Gulf region through Thu night. Fresh to strong winds are expected ahead and behind the front, with building seas to 10-12 ft in the wake of the front. Gusty winds to gale force may also occur, mainly over the north- central and NE Gulf Wed night to Fri as the pressure gradient tightens across the area. Gulf of Mexico N of 26N W of 87W .TODAY...SW winds less than 10 kt, shifting to NW in the afternoon. Seas 3 to 4 ft. .TONIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 3 ft in the evening, subsiding to 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...S winds 15 to 25 kt. Seas 4 to 6 ft. .WED NIGHT...W winds 15 to 25 kt. Seas 5 to 7 ft. .THU...NW winds 20 to 30 kt. Seas 7 to 10 ft. .THU NIGHT...NW winds 20 to 30 kt. Seas 7 to 10 ft. .FRI...NW winds 20 to 30 kt. Seas 6 to 9 ft. .FRI NIGHT...NW winds 20 to 30 kt. Seas 7 to 10 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...SE winds less than 10 kt. Seas 3 ft. .TONIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 2 ft or less. .TUE...SE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .WED...S winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NW winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 6 to 8 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...NE winds less than 10 kt. Seas 2 ft or less. .TUE...SE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...Within 60 nm of coast of Veracruz, SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, SE winds less than 10 kt. Seas 2 ft or less. .WED...SE winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...S winds 10 to 15 kt, shifting to W after midnight. Seas 2 ft or less. .THU...N winds 10 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W .TODAY...S winds 10 to 15 kt, shifting to SW in the afternoon. Seas 2 ft or less, building to 3 ft in the afternoon. .TONIGHT...W winds less than 10 kt. Seas 2 ft or less. .TUE...NW winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...S winds 10 to 20 kt. Seas 2 ft or less, building to 3 to 5 ft after midnight. .THU...SW winds 15 to 25 kt. Seas 4 to 6 ft, building to 6 to 9 ft in the afternoon. .THU NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...NW winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft.