000 FZNT32 KNHC 130817 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 417 AM EDT Thu Jul 13 2017 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 broad surface trough will enter the SE Gulf by tonight, then move W across the E Gulf Fri and turn NW across the central Gulf on Sat to reach the NW Gulf Sun. A thermal trough will develop over the Yucatan Peninsula during the late afternoons, move NW during the overnight hours, and dissipate over the SW Gulf by late morning each day. Gulf of Mexico N of 26N W of 87W .TODAY...E winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds 10 kt. Seas 2 ft or less. .FRI...E winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SUN...S winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...S winds less than 10 kt. Seas 2 ft or less. .MON...S winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .TODAY...E winds less than 10 kt. Seas 3 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft. .FRI...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 to 3 ft. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SUN...Variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 2 ft or less. .MON...SE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...SE winds less than 10 kt, shifting to E after midnight. Seas 2 to 3 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...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 to 4 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...Within 60 nm of coast of Veracruz, E winds less than 10 kt, shifting to N in the afternoon. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...Within 60 nm of coast of Veracruz, NE winds less than 10 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SAT...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SUN...E winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less. .MON...SE winds 10 to 15 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 to 20 kt. Seas 2 ft or less, building to 3 to 5 ft after midnight. Gulf of Mexico E of 87W .TODAY...NE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .FRI...E winds 10 to 15 kt. Seas 3 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 ft. .SAT...SE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SUN...Variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .MON...Variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 2 ft or less.