000 FZNT32 KNHC 251458 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1058 AM EDT Mon Sep 25 2017 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 thermal trough will develop each evening over the NW Yucatan Peninsula, move into the SW Gulf overnight where it will dissipate each morning. Weak high pressure will remain over the area through Wednesday night. A cold front will move across the northern and western Gulf waters on Thursday, and reach a from northern Florida to the central and SW Gulf waters on Friday. Gulf of Mexico N of 26N W of 87W .THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SE winds less than 10 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .WED...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico from 22N to 26N W of 87W .THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .TUE...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W .THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SE winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 2 ft or less, building to 3 to 4 ft after midnight. .TUE...Within 60 nm of coast of Veracruz, SE winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 2 ft or less, building to 3 to 4 ft after midnight. .WED...SE winds less than 10 kt. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .WED NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .THU...E winds less than 10 kt, shifting to W in the afternoon. Seas 2 ft or less. .THU NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 2 ft or less. .FRI...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 2 ft or less, building to 3 ft in the afternoon. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .THIS AFTERNOON...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SE winds less than 10 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .WED NIGHT...SE winds less than 10 kt. Seas 3 ft. .THU...E winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .FRI...E winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less.