000 FZNT32 KNHC 180747 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 247 AM EST Sat Dec 18 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 cold front will move off the Texas coast late this evening, bringing strong to possibly near gale-force winds to the NW Gulf and down the coast of Mexico Sun into Mon. The front will move slowly until low pressure forms along in the in the central Gulf late Mon, then moves NE into the SE U.S. Tue, dragging the cold front across the Gulf as it does. Winds and seas will subside Tue night into Wed in the wake of the front. Gulf of Mexico N of 26N W of 87W .TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SW winds less than 10 kt, shifting to NW after midnight. Seas 3 to 5 ft. .SUN...N winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...N winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .WED...N winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 5 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .SUN...E winds less than 10 kt, becoming NE 10 to 20 kt in the afternoon. Seas 3 to 5 ft, building to 6 to 9 ft in the afternoon. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MON...SE winds 10 to 20 kt, shifting to NW in the afternoon. Seas 5 to 7 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...N winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .WED...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 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 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas 3 ft. .TONIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SUN...Within 60 nm of coast of Veracruz, NW winds 10 to 15 kt, increasing to 15 to 25 kt in the afternoon,Seas 2 ft or less, building to 3 to 5 ft in the afternoon. Elsewhere, E winds less than 10 kt,Seas 2 ft or less. .SUN NIGHT...NW winds 15 to 25 kt within 60 nm of coast of Veracruz, and NE less than 10 kt elsewhere. Seas 6 to 9 ft within 60 nm of coast of Veracruz, and 4 to 6 ft elsewhere. .MON...NW winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...N winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .WED...NE winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...S winds 10 kt. Seas 3 to 4 ft. .SUN...Variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .MON...SE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...S winds less than 10 kt, shifting to W after midnight. Seas 2 ft or less, building to 3 to 4 ft after midnight. .TUE...NW winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .WED...N winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft.