000 FZNT32 KNHC 210819 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 319 AM EST Thu Dec 21 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 will reach the NW Gulf early Sat, then reach from the Florida Panhandle to the SW Gulf near Veracruz by early Sun. Strong northerly winds are expected along the coast of Mexico this weekend. Gulf of Mexico N of 26N W of 87W .TODAY...SW winds less than 10 kt, shifting to S in the afternoon. Seas 3 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...N winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .MON...NE winds 15 to 25 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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 10 to 20 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...E winds 10 to 15 kt. Seas 2 to 3 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Gulf of Mexico E of 87W .TODAY...SW winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .FRI...SE winds 10 to 15 kt. Seas 2 ft or less. .FRI NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 2 to 3 ft. .SUN...NE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...NE winds 15 to 25 kt. Seas 3 to 5 ft. .MON...NE winds 15 to 25 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.