191 FZNT32 KNHC 311449 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1049 AM EDT Tue Jul 31 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 will approach the NW gulf waters Tue, enter those waters Wed then push eastward over the northern gulf waters as a weakening trough on Thu. Scattered showers and thunderstorms in the vicinity of the front and trough could produce brief gusty winds and higher seas. Gulf of Mexico N of 26N W of 87W .THIS AFTERNOON...SW winds less than 10 kt. Seas 2 ft or less. .TONIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 2 ft or less. .WED...SW winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. .THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico from 22N to 26N W of 87W .THIS AFTERNOON...S winds less than 10 kt. Seas 2 to 3 ft. .TONIGHT...SE winds less than 10 kt. Seas 2 ft or less. .WED...S winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .THU...S winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds less than 10 kt, shifting to E after midnight. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. SW Gulf of Mexico S of 22N W of 87W .THIS AFTERNOON...Variable winds less than 10 kt within 60 nm of coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 2 to 3 ft. .TONIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt. Elsewhere, NE winds less than 10 kt, shifting to E after midnight. Seas 2 to 3 ft. .WED...Variable winds less than 10 kt within 60 nm of coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 2 to 3 ft. .WED NIGHT...Within 60 nm of coast of Veracruz, NE winds less than 10 kt. Elsewhere, NE winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less. .THU...SE winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .THIS AFTERNOON...S winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SE winds less than 10 kt. Seas 3 ft. .WED...S winds less than 10 kt. Seas 2 to 3 ft. .WED NIGHT...SE winds less than 10 kt. Seas 2 to 3 ft. .THU...SE winds less than 10 kt. Seas 2 to 3 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 ft. .FRI...E winds less than 10 kt. Seas 3 ft. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.