000 FZNT32 KNHC 222000 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 400 PM EDT Sun Apr 22 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 cold front is moving across the Gulf of Mexico and extends from SE Louisiana to NE Mexico near 25N98W. This front is preceded by a pre-frontal squall line affecting mainly the waters N of 28N and E of the front. The cold front is expected to reach from the Florida Panhandle to NE Mexico near 24N98W by Mon morning, from near Tampa Bay to Tampico, Mexico by Tue morning, and reach the Straits of Florida and the SE Gulf by Wed morning while moving slowly across the SW Gulf. Gulf of Mexico N of 26N W of 87W .TONIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NW winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .TUE...NW winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...N winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .WED...NE winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt. Seas 2 ft or less. .THU...NW winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...N winds less than 10 kt. Seas 2 ft or less. .FRI...N winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...N winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...E winds less than 10 kt, shifting to NE after midnight. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt. Seas 3 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .WED...E winds less than 10 kt. Seas 3 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .THU...NE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .FRI...NE winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...NE winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 3 to 4 ft. .MON...Within 60 nm of coast of Veracruz, NE winds less than 10 kt. Elsewhere, 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. .MON NIGHT...Within 60 nm of coast of Veracruz, NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...Within 60 nm of coast of Veracruz, NE winds less than 10 kt. Elsewhere, NE 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. .TUE NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...E winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 ft. Gulf of Mexico E of 87W .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...S winds less than 10 kt. Seas 3 ft. .MON NIGHT...W winds less than 10 kt. Seas 2 ft or less. .TUE...W winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...NW winds less than 10 kt. Seas 2 ft or less. .WED...N winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...N winds less than 10 kt. Seas 2 ft or less. .THU...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...NW winds less than 10 kt. Seas 3 ft. .FRI...NW winds less than 10 kt. Seas 3 ft. .FRI NIGHT...N winds 10 kt. Seas 2 ft or less.