000 FZNT32 KNHC 211416 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1016 AM EDT Thu Sep 21 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 trough over the E-Central Gulf will move W today and lose identity tonight. A thermal trough will develop each evening over the NW Yucatan Peninsula, move W-NW across the SW Gulf overnight And dissipate over the SW Gulf waters by late each morning. A surface high will meander over the N-Central coastal plains today, then shift N of the area early Fri. Gulf of Mexico N of 26N W of 87W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft. .FRI...E winds 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft. .SAT...E winds 10 to 15 kt. Seas 3 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft. .SUN...E winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 ft. .MON...SE winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. Gulf of Mexico from 22N to 26N W of 87W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft. .FRI...E winds less than 10 kt. Seas 3 ft. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...E winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SUN...SE winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. SW Gulf of Mexico S of 22N W of 87W .THIS AFTERNOON...Within 60 nm of coast of Veracruz, SE winds less than 10 kt, becoming variable winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .TONIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt. Elsewhere, NE winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less, building to 3 ft after midnight. .FRI...Within 60 nm of coast of Veracruz, SE winds less than 10 kt. Elsewhere, E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 2 ft or less. .FRI NIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SUN...E winds 10 to 15 kt. Seas 2 ft or less. .SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .THIS AFTERNOON...E winds 10 kt. Seas 2 ft or less. .TONIGHT...NE winds 10 kt. Seas 2 ft or less. .FRI...NE winds 10 kt. Seas 2 ft or less. .FRI NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .SAT...NE winds 10 kt. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...E winds 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less.