000 FZNT32 KNHC 210200 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1000 PM EDT Fri Sep 20 2019 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 centered over the Carolinas will dominate the Gulf waters through Sun. The pressure gradient will tighten over the eastern Gulf through Sun morning, resulting in fresh to strong easterly winds and building seas to 9 or 10 ft. New high pressure will develop over the northern Gulf by early next week. Gulf of Mexico N of 26N W of 87W .OVERNIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt, shifting to SE after midnight. Seas 3 to 4 ft. .WED...SE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 10 kt. Seas 3 ft. Gulf of Mexico from 22N to 26N W of 87W .OVERNIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 ft. SW Gulf of Mexico S of 22N W of 87W .OVERNIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .SAT...Within 60 nm of coast of Veracruz, E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, 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 within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .SUN...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .MON...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE...Variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico E of 87W .OVERNIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. .WED...E winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt. Seas 2 ft or less.