691 FZNT32 KNHC 171437 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 937 AM EST Fri Dec 17 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...High pressure north of the Gulf will prevail through Sat, supporting moderate to locally fresh SE to S winds. A cold front is forecast to enter the basin Sat night. Fresh to strong winds and building seas will prevail west of the front on Sun. By Mon, low pressure should develop along the cold front in the central Gulf and steadily progress east-northeastward, pulling the front across the Gulf by Tue. Gulf of Mexico N of 26N W of 87W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds less than 10 kt, shifting to N after midnight. Seas 4 to 6 ft. .SUN THROUGH MON...NE winds 15 to 25 kt. Seas 5 to 7 ft. .MON THROUGH TUE...N winds 10 to 20 kt. Seas 5 to 7 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT AND SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON THROUGH TUE...N winds 10 to 20 kt. Seas 6 to 8 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...SE winds 10 to 15 kt. Seas 3 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft. .SAT AND SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON THROUGH TUE...N winds 10 to 20 kt. Seas 5 to 7 ft. Gulf of Mexico E of 87W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT AND SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...Variable winds less than 10 kt. Seas 2 to 3 ft. .SUN THROUGH TUE...NW winds 10 to 20 kt. Seas 4 to 6 ft.