000 FZNT32 KNHC 310144 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 944 PM EDT Sun Jul 30 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 cold front reaches from north of Tampa Bay near 28N83W to 1009 mb low pressure near 28N85W then is stationary to near Galveston Bay. The low pressure will shift ESE into S Florida through late Mon, allowing the eastern portion of the front to sag S and stall along 26N. The front will become diffuse as it shifts northward again through mid week. A ridge will rebuild E to W from Central Florida to the Texas Coastal Bend on Thu. A trough will develop over the Yucatan Peninsula each evening, move W during the overnight hours dissipating over the SW Gulf each morning. Gulf of Mexico N of 26N W of 87W .OVERNIGHT...NE winds less than 10 kt. Seas 2 ft or less. .MON...Variable winds less than 10 kt, becoming NE less than 10 kt in the afternoon. Seas 2 ft or less, building to 3 ft in the afternoon. .MON NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 3 ft. .TUE...S winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .WED...SW winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...S winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .THU...S winds 10 kt. Seas 3 ft. .THU NIGHT...S winds less than 10 kt. Seas 3 ft. .FRI...S winds 10 kt. Seas 3 ft. .FRI NIGHT...S winds less than 10 kt. Seas 3 ft. Gulf of Mexico from 22N to 26N W of 87W .OVERNIGHT...NE winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less. .MON...SW winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 2 ft or less. .TUE...S winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .WED...S winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds less than 10 kt, shifting to E after midnight. Seas 3 ft. SW Gulf of Mexico S of 22N W of 87W .OVERNIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt. Elsewhere, NE winds less than 10 kt, shifting to E 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, shifting to E after midnight. Seas 2 ft or less. .WED...SE winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .THU...SE winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .FRI 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 .OVERNIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SW winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...W winds 10 to 15 kt, shifting to S after midnight. Seas 3 to 4 ft. .TUE...S winds less than 10 kt. Seas 3 ft. .TUE NIGHT...S winds less than 10 kt. Seas 2 ft or less. .WED...S winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...SE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt 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 less than 10 kt. Seas 3 ft.