670 FZNT32 KNHC 251509 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1109 AM EDT Sat Aug 25 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 surface trough will develop during the evening hours over the Yucatan Peninsula before pushing offshore into the SW Gulf each night. A surge of moderate to fresh NE to E winds will accompany this trough. Otherwise, a ridge will dominate the Gulf waters supporting a gentle to moderate wind flow. Gulf of Mexico N of 26N W of 87W .THIS AFTERNOON...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds 10 kt. Seas 2 ft or less. .SUN...E winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds 10 kt. Seas 2 ft or less. .MON...SE winds 10 kt. Seas 3 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 ft. .TUE...SE winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 ft. .WED...SE winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. Gulf of Mexico from 22N to 26N W of 87W .THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SUN...SE winds less than 10 kt. Seas 3 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .MON...SE winds less than 10 kt. Seas 3 ft. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .TUE...SE winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. SW Gulf of Mexico S of 22N W of 87W .THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 2 ft or less, building to 3 to 4 ft after midnight. .SUN...Variable winds less than 10 kt within 60 nm of coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 2 ft or less, building to 3 to 4 ft after midnight. .MON...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .TUE...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .THIS AFTERNOON...E winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds less than 10 kt. Seas 2 ft or less. .SUN...E winds 10 to 15 kt. Seas 2 ft or less. .SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .MON...E winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.