000 FZNT32 KNHC 300921 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 521 AM EDT Mon Apr 30 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 centered over SE U.S. extends a weak ridge SE to the Straits of Florida. The high will track E-SE and move east off the South Carolina-Georgia coast tonight with the ridge extending W across the N gulf waters through Thu. A weak surface trough will move W off SW Florida tonight and across the eastern gulf Mon, followed by moderate to locally fresh E to SE winds through Tue as it becomes diffuse over the north-central gulf. Fresh to strong NE to E winds will develop over the far SE Gulf and Straits of Florida beginning Tue, and continue through early Thu as high pressure builds southeastward over the western Atlantic. Gulf of Mexico N of 26N W of 87W .TODAY...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft in the afternoon. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 20 kt. Seas 3 to 5 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...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E 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 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W .TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E 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 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.