000 FZNT32 KNHC 140236 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 936 PM EST Thu Dec 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...Gale-force winds are expected tonight west of a cold front that currently extends across the northwest Gulf of Mexico. Fresh to strong southerly flow will continue east of the front. The front will reach from the Mississippi Delta to the Bay of Campeche overnight, from the Florida Big Bend to the Yucatan Channel by late Fri, then move through the Bahama Channel on Sat. The gale force winds will spread across the west-central gulf through late Fri, with seas reaching 15-17 ft near 24N95W on Fri afternoon. The pressure gradient will relax on Fri night and Sat, with moderate west flow expected on Sat evening as the seas subside to less than 8 ft. The gradient will continue to relax with light northerly winds on Mon. Gulf of Mexico N of 26N W of 87W ...GALE WARNING... .TONIGHT...W winds 25 to 35 kt. Seas 7 to 10 ft, building to 8 to 13 ft after midnight. .FRI...W winds 30 to 40 kt. Seas 9 to 14 ft. .FRI NIGHT...W winds 20 to 25 kt. Seas 9 to 14 ft, subsiding to 8 to 11 ft after midnight. .SAT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...N winds 10 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 ft. .MON...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .MON NIGHT...NE winds 10 kt. Seas 2 ft or less. .TUE...E winds 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. Gulf of Mexico from 22N to 26N W of 87W ...GALE WARNING... .TONIGHT...W winds 20 to 30 kt. Seas 5 to 7 ft, building to 7 to 10 ft after midnight. .FRI...NW winds 25 to 35 kt. Seas 9 to 14 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 8 to 13 ft. .SAT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .SUN...N winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .MON...NE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...SE winds less than 10 kt, becoming N 15 to 25 kt after midnight. Seas 3 to 5 ft. .FRI...Within 60 nm of coast of Veracruz, N winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. Elsewhere, N winds 20 to 30 kt. Seas 5 to 7 ft, building to 7 to 10 ft in the afternoon. .FRI NIGHT...N winds 10 to 20 kt within 60 nm of coast of Veracruz, and N 15 to 25 kt elsewhere. Seas 8 to 11 ft. .SAT...N winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .SUN...N winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds less than 10 kt. Seas 3 ft. .MON...N winds less than 10 kt. Seas 3 ft. .MON NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .TUE...NE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. Gulf of Mexico E of 87W .TONIGHT...SE winds 15 to 25 kt. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. .FRI...SW winds 15 to 25 kt. Seas 6 to 8 ft. .FRI NIGHT...W winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...W winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft. .MON...N winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 ft. .TUE...NE winds 10 kt. Seas 3 ft. .TUE NIGHT...NE winds 10 kt. Seas 3 ft.