000 FZNT32 KNHC 212019 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 419 PM EDT Sat Sep 21 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 along the eastern seaboard of the U.S. will dominate the Gulf waters through the weekend. The pressure gradient will tighten over the eastern Gulf through Sun, resulting in fresh to strong easterly winds and building seas. New high pressure will develop over the northern Gulf by early next week with the pressure gradient slackening and wind and sea conditions improving through the middle of the week. Gulf of Mexico N of 26N W of 87W .TONIGHT...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 less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 3 to 4 ft. .WED...SE winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...SE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 ft. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...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 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 ft. .THU...SE winds less than 10 kt. Seas 3 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 ft. 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 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...N winds less than 10 kt. 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...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 2 ft or less. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico E of 87W .TONIGHT...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...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds less than 10 kt, shifting to NE in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .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. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less.