000 FZNT32 KNHC 082215 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 515 PM EST Fri Dec 8 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 warm front extends SW from the Florida Big Bend to to a 1008 mb low pressure near 26N88W which trails a cold front SW to 18N92W. The low will move NE reaching over N-Central Florida tonight and continue NE on Sat dragging the cold front SE through the Florida Straits late Sat morning. Near gale to gale force winds and large seas NW of the front will diminish from the NW to SE through Sat night. A ridge will extend from SE Texas to the Straits of Florida on Mon and Tue with a surface high shifting E to the Central Gulf waters on Wed night. Gulf of Mexico N of 26N W of 87W ...GALE WARNING... .TONIGHT...NW winds 25 to 35 kt early diminishing to 15 to 25 kt late. Seas 8 to 13 ft, subsiding to 7 to 10 ft after midnight. .SAT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 kt. Seas 3 to 4 ft. .MON...N winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...W winds less than 10 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .TUE...NW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 15 to 20 kt. Seas 5 to 7 ft. .WED...N winds 10 to 15 kt, shifting to NE in the afternoon. Seas 4 to 6 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W ...GALE WARNING... .TONIGHT...NW to N winds 25 to 35 kt, diminishing to 20 to 25 kt late. Seas 13 to 22 ft in N swell. .SAT...NW winds 20 to 30 kt. Seas 9 to 14 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .TUE...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. SW Gulf of Mexico S of 22N W of 87W ...GALE WARNING... .TONIGHT...NW to N winds 25 to 35 kt. Seas 15 to 22 ft in N swell. Scattered showers and isolated thunderstorms. .SAT...NW to N winds 25 to 35 kt. Seas 12 to 17 ft in N to NE swell. .SAT NIGHT...NW to N winds 15 to 25 kt. Seas 7 to 10 ft in N to NE swell. .SUN...N winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .MON...N winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt, shifting to N in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .TONIGHT...W winds 20 to 30 kt. Seas 7 to 10 ft. .SAT...NW winds 20 to 30 kt. Seas 9 to 14 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 8 to 13 ft, subsiding to 7 to 10 ft after midnight. .SUN...N winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...NW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .WED...N winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 to 5 ft.