000 FZNT32 KNHC 181516 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1116 AM EDT Tue Jul 18 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 ridge will dominate the Gulf waters through the week. A thermal trough will develop over the Yucatan Peninsula during the evening hours before pushing offshore into the SW Gulf each night. A surge of fresh to occasionally strong NE winds will accompany this trough. Gulf of Mexico N of 26N W of 87W .THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SE winds 10 kt. Seas 2 ft or less. .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...Variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .FRI...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SAT...SE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...S winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 ft, subsiding to 2 ft or less. .TONIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. .THU...E winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 ft. .FRI...E winds less than 10 kt. Seas 3 ft. .FRI NIGHT...E winds 10 kt. Seas 3 ft. .SAT...SE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. SW Gulf of Mexico S of 22N W of 87W .THIS AFTERNOON...E winds less than 10 kt Within 60 nm of coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 3 ft. .TONIGHT...E winds 10 to 20 kt. Seas 2 ft or less, building to 3 to 5 ft after midnight. .WED...NE winds less than 10 kt Within 60 nm of coast of Veracruz, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft. .WED NIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...SE winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. Gulf of Mexico E of 87W .THIS AFTERNOON...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...NE winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .THU...NE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .FRI...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less.