000 FZNT32 KNHC 200255 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1055 PM EDT Fri Oct 19 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 frontal trough will persist over the SW Gulf through late Sat. The next cold front will move across the northern Gulf waters Sat night, reaching from South Florida to 25N97W by Sun night. Fresj to strong winds and building seas are expected in the wake of the front. A weak low pressure may form along the front over the NW Gulf on Monday. Gulf of Mexico N of 26N W of 87W .OVERNIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt, increasing to 10 to 20 kt after midnight. Seas 3 to 5 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...SE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Gulf of Mexico from 22N to 26N W of 87W .OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 15 kt, shifting to S in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...S winds less than 10 kt, shifting to E after midnight. Seas 4 to 6 ft. .WED...Variable winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W .OVERNIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...Within 60 nm of coast of Veracruz, NW winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE 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 5 ft. .TUE...E winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .WED...NE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 ft. Gulf of Mexico E of 87W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. .SUN...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 ft.