000 FZNT32 KNHC 010841 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 441 AM EDT Tue Aug 1 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 weak trough extending from TD Emily over the W Atlc into the central Gulf will drift north through mid week, as high pressure builds across the southern Gulf. The ridge will then build northward late this week. Gulf of Mexico N of 26N W of 87W .TODAY...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...SE winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...S winds 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .WED NIGHT...S winds 10 kt. Seas 2 ft or less. .THU...S winds 10 kt. Seas 3 ft. .THU NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .FRI...S winds 10 to 15 kt. Seas 3 ft. .FRI NIGHT...SE winds 10 kt. Seas 3 ft. .SAT...SE winds 10 kt. Seas 3 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...S winds less than 10 kt. Seas 2 ft or less. .TONIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 2 ft or less. .WED...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 to 4 ft after midnight. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT 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 .TODAY...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, shifting to SE in the afternoon. Seas 2 ft or less. .TONIGHT...Within 60 nm of coast of Veracruz, E 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. .WED...Variable winds less than 10 kt within 60 nm of coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 2 ft or less, building to 3 ft in the afternoon. .WED 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. .THU...SE winds 10 to 15 kt. Seas 3 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 20 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .TODAY...S winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...S winds less than 10 kt. Seas 2 ft or less. .WED...S winds 10 kt. Seas 2 ft or less. .WED NIGHT...SE winds 10 kt. Seas 2 ft or less. .THU...SE winds 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less, building to 3 ft after midnight. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 ft.