000 FZNT32 KNHC 172008 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 308 PM EST Sat Feb 17 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...A ridge will dominate the Gulf region this weekend producing mainly gentle to moderate winds over the western Gulf, and light to gentle winds over the eastern Gulf, with the exception of moderate winds over the SE waters and the Straits of Florida. Expect increasing winds and building seas by early next week as high pressure strengthens over the western Atlantic. A thermal trough will develop over the western Yucatan Peninsula during each afternoon, drift west across the eastern Bay of Campeche during the overnight hours, and then dissipate over the southwest Gulf waters by late each morning. Gulf of Mexico N of 26N W of 87W .TONIGHT...SE winds less than 10 kt. Seas 3 ft. .SUN...SE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 20 kt. Seas 6 to 7 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .WED...SE winds 10 to 20 kt. Seas 6 to 7 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...SE winds less than 10 kt, shifting to E after midnight. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 6 to 7 ft. .WED...SE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...Within 60 nm of coast of Veracruz, E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W .TONIGHT...E winds less than 10 kt. Seas 2 ft or less. .SUN...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.