000 FZNT32 KNHC 231430 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 930 AM EST Thu Nov 23 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 extends from a 1011 mb low centered near 29N84W to the eastern Bay of Campeche near 18N92W. The low pressure will move into the SW N Atlc and cause the associated cold front to exit the SE Gulf by Sat morning. Minimal gale force winds are expected to persist over the SW Gulf this morning. Winds and seas will begin to gradually diminish across the gulf on Fri and Sat as the front exits the area and high pressure builds across the region. Gulf of Mexico N of 26N W of 87W .TODAY...N winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...N winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt, becoming W less than 10 kt in the afternoon. Seas 2 ft or less. .SAT NIGHT...N winds less than 10 kt. Seas 2 ft or less. .SUN...N winds 10 kt. Seas 2 ft or less. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .MON...E winds 10 kt. Seas 2 ft or less. .MON NIGHT...SE winds 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .TODAY...N winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...N winds 10 to 15 kt, shifting to NW in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...N winds less than 10 kt, shifting to SW after midnight. Seas 3 to 4 ft. .SAT...W winds less than 10 kt. Seas 2 to 3 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SUN...N winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NE winds less than 10 kt. Seas 3 ft. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...This morning within 60 nm of coast of Mexico S of 20N and W of 94W NW winds 25 to 35 kt. Seas 10 to 13 ft. Otherwise, NW winds 20 to 30 kt within 60 nm of coast of Veracruz, and N 10 to 20 kt elsewhere. Within 60 nm of coast of Veracruz, seas 8 to 13 ft, subsiding to 7 to 10 ft in the afternoon. Elsewhere, seas 6 to 8 ft. .TONIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...N winds 10 to 15 kt, shifting to NW in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .SAT...SE winds less than 10 kt. Seas 3 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SUN...N winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...N winds less than 10 kt. Seas 3 ft. .MON...N winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico E of 87W .TODAY...W winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .SAT...N winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...N winds 10 kt. Seas 2 ft or less. .SUN...N winds 10 to 15 kt. Seas 2 to 3 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.