000 FZNT32 KNHC 040936 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 536 AM EDT Mon Sep 4 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...Weak high pressure will prevail across the NE Gulf through the Wed. A broad trough extending from the Bay ob Campeche NW to offshore of Tampico Mexico will meander through late Wed. A cold front will sink slowly into the NW Gulf late Wed and reach from the Florida Big Bend to the SW Gulf by late Thu, where it will merge with the lingering trough through Fri. Gulf of Mexico N of 26N W of 87W .TODAY...E winds 10 kt. Seas 2 ft or less. .TONIGHT...SE winds 10 kt. Seas 2 ft or less. .TUE...Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. Seas 2 ft or less. .TUE NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt, becoming NE 10 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...NE winds less than 10 kt, increasing to 10 to 20 kt after midnight. Seas 2 ft or less, building to 3 to 4 ft after midnight. .THU...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...NE winds 15 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...SE winds 10 kt. Seas 3 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .WED NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...NW winds less than 10 kt within 60 nm of coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 2 ft or less. .TONIGHT...Within 60 nm of coast of Veracruz, N winds less than 10 kt, shifting to S after midnight. Elsewhere, E winds 10 to 15 kt. Seas 3 ft. .TUE...NW winds less than 10 kt within 60 nm of coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 3 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...Within 60 nm of coast of Veracruz, Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Elsewhere, NE winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less. .WED...SE winds 10 to 15 kt, shifting to SW in the afternoon. Seas 2 ft or less. .WED NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 3 to 4 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W .TODAY...E 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. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .WED...E winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .THU...NE winds 10 kt. Seas 2 ft or less. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.