000 FZNT32 KNHC 060856 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 356 AM EST Thu Dec 6 2018 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...Southerly return flow will strengthen Fri night as an intense low pressure system develops over SE Texas. The low will track eastward along the U.S. Gulf coast this weekend with strong to near gale southerly winds expected ahead of the cold front, particularly in the northern Gulf, including the coastal waters. Gulf of Mexico N of 26N W of 87W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E 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 15 to 25 kt. Seas 5 to 7 ft. .SAT...S winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...W winds 15 to 25 kt. Seas 6 to 9 ft. .SUN...NW winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...NW winds 20 to 25 kt. Seas 6 to 9 ft. .MON...N winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft. .SAT...S winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 20 kt, shifting to NW 15 to 25 kt after midnight. Seas 6 to 8 ft. .SUN...NW winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .MON...N winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...N 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 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. .SUN...N winds 15 to 25 kt. Seas 6 to 8 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .MON...N winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. Gulf of Mexico E of 87W .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...S winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...W winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NW winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NW winds 15 to 20 kt. Seas 6 to 8 ft.