000 FZNT32 KNHC 210300 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1100 PM EDT Thu Mar 20 2025 Marine Weather HF Voice Broadcast for the Gulf of America 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...A cold front over the SE Gulf will exit the basin late tonight. Fresh to near gale winds and seas are expected to diminish from northwest to southeast on Fri. High pressure will build in the wake of the front, supporting moderate to locally fresh S to SE winds over the western and central Gulf, and gentle to moderate winds in the eastern basin through this weekend. A surface trough will develop over the Yucatan Peninsula and move into the Bay of Campeche nightly Fri through Sun, increasing winds to fresh to strong speeds in the Peninsula adjacent waters. The next cold front may enter the northwestern basin early next week. Gulf of America N of 26N W of 87W .OVERNIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .TUE...E winds less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds 10 kt. Seas 3 ft. Gulf of America from 22N to 26N W of 87W .OVERNIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. SW Gulf of America S of 22N W of 87W .OVERNIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft within 60 nm of coast of Veracruz, and 6 to 9 ft elsewhere. .FRI...Within 60 nm of coast of Veracruz, E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of America E of 87W .OVERNIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SUN...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .TUE...E winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft.