339 FZNT32 KNHC 042058 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 458 PM EDT Thu Nov 4 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 frontal system is developing across the basin. Low pressure will continue to develop within the front over the central Gulf tonight, then move to the northeast into central Florida through late Fri. The front will follow, moving southeast of the Gulf by late Sat. Strong to near gale force winds are possible over the northeast Gulf by late Fri as the low moves inland, with frequent gusts to gale force expected. Winds and seas will diminish over the western Gulf Sat through early next week as high pressure builds north of the area following the front. Gulf of Mexico N of 26N W of 87W .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...N winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 5 ft. .SUN NIGHT...NE winds 10 kt. Seas 2 ft or less. .MON...E winds 10 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 kt. Seas 2 ft or less. .TUE...E winds 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...N winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...N winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...N winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 ft. .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...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...N winds 10 to 15 kt. Seas 5 to 6 ft within 60 nm of coast of Veracruz, and 2 ft or less elsewhere. .FRI...N winds 10 to 15 kt. Within 60 nm of coast of Veracruz, seas 5 to 7 ft. Elsewhere, seas 2 ft or less, building to 5 ft in the afternoon. .FRI NIGHT...N winds 10 to 15 kt. Seas 5 to 6 ft. .SAT...N winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 ft. .SUN...NE winds less than 10 kt. Seas 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 ft. .MON...NE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .TUE...E winds less than 10 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 ...GALE WARNING FRI NIGHT... .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 5 ft after midnight. .FRI...SE winds 10 to 15 kt, shifting to W 10 to 20 kt in the afternoon. Seas 5 to 6 ft. .FRI NIGHT...N winds 20 to 30 kt with frequent gusts to gale force. Seas 6 to 9 ft. .SAT...N winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...N winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 5 to 6 ft. .MON...NE winds 10 to 15 kt. Seas 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 ft. .TUE...NE winds 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 ft.