000 FZNT32 KNHC 180902 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 502 AM EDT Fri Aug 18 2023 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 ridge over the Gulf waters will support mostly gentle to moderate winds and slight seas across the basin through Sat night. Looking ahead, a surface trough is expected to move across the Gulf from east to west Sun through early next week. The trough could form into a broad area of low pressure in the central or W Gulf by the beginning of next week. Some slow development of this system is possible thereafter as it moves westward and approaches the western Gulf of Mexico coastline by the middle of next week. Gulf of Mexico N of 26N W of 87W .TODAY...SW winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 2 ft or less. .SAT...SW winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SUN...NE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...E winds less than 10 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 3 ft. .MON...E winds less than 10 kt. Seas 3 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...Within 60 nm of coast of Veracruz, SE winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .TONIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, NE winds 10 to 20 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .SAT...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, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT 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. .SUN...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .MON...N winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .TUE...NE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .TODAY...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...N winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less. .SAT...NE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SUN...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.