177 FZNT32 KNHC 291923 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 323 PM EDT Thu Jul 29 2021 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 extends across the NE Gulf is accompanied by scattered showers and thunderstorms. Another trough extends across the NW Gulf waters with similar activity. Both troughs will drift while dissipating through tonight. The Atlantic high pressure ridge is building across the basin, with 1018 mb high centered near 26N86W. The high will drift westward and dominate the Gulf region during the upcoming weekend then reorganize over the E Gulf by early next week. Gulf of Mexico N of 26N W of 87W .TONIGHT...S winds less than 10 kt. Seas 2 ft or less. .FRI...S 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, becoming S less than 10 kt after midnight. Seas 2 ft or less. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...S winds less than 10 kt. Seas 2 ft or less. .SUN...SW winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...S winds 10 kt. Seas 2 ft or less. .MON...SW winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...S winds less than 10 kt. Seas 2 ft or less. .TUE...SW winds 10 kt. Seas 2 ft or less. .TUE NIGHT...SW winds 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less. .FRI...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SUN...SE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .MON...SE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .TUE...SE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 20 kt elsewhere. Seas 2 ft or less. .FRI...Within 60 nm of coast of Veracruz, SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 20 kt elsewhere. Seas 2 ft or less, building to 5 ft after midnight. .SAT...Variable winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 5 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SUN...E winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .TUE...SE winds 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. Gulf of Mexico E of 87W .TONIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less. .FRI...E winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...NE winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less. .SAT...SE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SUN...SE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .MON...S winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .TUE...SW winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...S winds less than 10 kt. Seas 2 ft or less.