494 FZNT32 KNHC 200239 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1039 PM EDT Wed Sep 19 2018 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...High pressure will build over the eastern United States through tonight, producing gentle to moderate E to SE breezes and small to moderate seas across the Gulf through Sun. A trough exiting the northwest Caribbean and moving into the Yucatan Peninsula will shift westward across the south central Gulf and Yucatan overnight, and across the southwest Gulf Thu and Fri, before dissipating Sat. Gulf of Mexico N of 26N W of 87W .OVERNIGHT...E winds 10 kt. Seas 2 ft or less. .THU...SE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 kt. Seas 3 ft. .SAT...SE winds less than 10 kt. Seas 3 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 ft. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 ft. .MON...SE winds less than 10 kt. Seas 3 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .OVERNIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 ft. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...SE winds less than 10 kt. Seas 2 ft or less. .MON 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. SW Gulf of Mexico S of 22N W of 87W .OVERNIGHT...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. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .FRI...SE winds less than 10 kt within 60 nm of coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. Gulf of Mexico E of 87W .OVERNIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds less than 10 kt. Seas 2 ft or less. .FRI...E winds 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...E winds less than 10 kt. Seas 3 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .SUN...SE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .MON...SE winds 10 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less.