000 FZNT32 KNHC 232001 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 401 PM EDT Fri Mar 23 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 prevail over much of the forecast waters through Tue. A trough will develop over the Yucatan peninsula each evening and shift westward across the southwest Gulf during the overnight hours. A cold front may move into the NW Gulf late Wed night. Gulf of Mexico N of 26N W of 87W .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...S 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 15 to 25 kt. Seas 6 to 9 ft. .TUE...SE winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...SE winds 15 to 20 kt. Seas 7 to 10 ft. .WED...SE winds 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...SE winds 15 to 25 kt, becoming NW to N 20 to 25 kt behind front late. Seas 7 to 10 ft. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft. .TUE...SE winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...SE winds 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 15 to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 15 to 25 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. Gulf of Mexico E of 87W .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft.