575 FZNT32 KNHC 130857 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 457 AM EDT Thu Sep 13 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...A broad trough of low pressure in the west-central Gulf will shift NW toward Texas during the next couple of days, bringing widespread showers and gusty winds to the region. Gulf of Mexico N of 26N W of 87W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 20 kt. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SAT...SE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...N winds less than 10 kt. Seas 2 ft or less. .SUN...NW winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...W winds less than 10 kt. Seas 2 ft or less. .MON...Variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .TODAY...S winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SAT...SE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SUN...NE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. SW Gulf of Mexico S of 22N W of 87W .TODAY...Variable winds less than 10 k. Seas 2 ft or less. .TONIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .FRI...E winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SUN...E winds 10 to 15 kt. Seas 2 ft or less. .SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .MON...E winds 10 to 15 kt. Seas 2 ft or less. .MON NIGHT...NE winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico E of 87W .TODAY...E winds 10 kt. Seas 2 ft or less. .TONIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .FRI...E winds 10 kt. Seas 2 ft or less. .FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NW winds 10 kt. Seas 2 ft or less. .SUN...NW winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...NW winds less than 10 kt. Seas 2 ft or less. .MON...SE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less.