000 FZNT32 KNHC 210843 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 343 AM EST Fri Dec 21 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...Strong to gale force winds in the central and eastern Gulf follow a cold front exiting the basin. Winds will diminish from W to E across the basin through this afternoon. Very large seas of up to 21 ft will subside to less than 8 ft by late Sat. High pres behind the front will shift eastward across the central Gulf on Sat, and move across the Florida Panhandle on Sun, leaving a ridge from the Florida Big Bend to SE Texas on Mon. Fresh return flow will set up across the NW waters on Tue. Gulf of Mexico N of 26N W of 87W ...GALE WARNING... .TODAY...W of 94W, NW to N winds 20 to 30 kt, becoming NW 15 to 20 kt in the afternoon. Seas 9 to 13 ft, subsiding to 6 to 9 ft. Elsewhere, NW winds 25 to 35 kt W of 90W, and W to NW 25 to 35 kt E of 90W. Seas 14 to 21 ft. .TONIGHT...NW winds 20 to 30 kt, becoming W to NW 15 to 20 kt late. Seas 12 to 18 ft, subsiding to 8 to 12 ft late. .SAT...W of 90W, S winds 10 to 15 kt. Elsewhere, N winds 10 to 15 kt, becoming E to SE less than 5 kt in the afternoon. Seas 6 to 8 ft, subsiding to 3 to 5 ft late in the afternoon. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...S winds 5 to 10 kt. Seas 2 to 4 ft, subsiding to 3 ft or less in the afternoon. .SUN NIGHT...SE winds 5 to 10 kt. Seas 3 ft or less. .MON...E to SE winds 5 to 10 kt. Seas 3 ft or less. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .TUE...E to SE winds 10 to 15 kt. Seas 3 ft or less. .TUE NIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. Gulf of Mexico from 22N to 26N W of 87W ...GALE WARNING... .TODAY...W of 94W, NW to N winds 20 to 30 kt, diminishing to 15 to 20 kt in the afternoon. Seas 9 to 13 ft. E of 94W, NW winds 25 to 35 kt, diminishing to 20 to 30 kt in the afternoon. Seas 13 to 20 ft. .TONIGHT...NW winds 20 to 25 kt, diminishing to 10 to 15 kt early in the morning. Seas 10 to 16 ft, subsiding to 8 to 12 ft early in the morning. .SAT...NW to N winds 5 to 10 kt, shifting to E to SE in the late morning and afternoon. Seas 6 to 9 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .MON...E winds 10 to 15 kt. Seas 3 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...E winds 15 kt. Seas 2 to 4 ft. .TUE NIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...NW winds 20 to 25 kt. Seas 9 to 13 ft. .TONIGHT...N winds 10 to 15 kt, becoming NE less than 5 kt early in the morning. Seas 7 to 10 ft. .SAT...E winds 5 to 10 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. .MON...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 2 to 4 ft, subsiding to 3 ft or less in the afternoon. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. Gulf of Mexico E of 87W ...GALE WARNING... .TODAY...W to NW winds 25 to 35 kt. Seas 13 to 20 ft. .TONIGHT...W to NW winds 20 to 30 kt, becoming NW 15 to 20 kt early in the morning. Seas 12 to 18 ft. .SAT...N winds 10 to 15 kt. Seas 9 to 13 ft, subsiding to 6 to 9 ft late in the afternoon. .SAT NIGHT...NE to E winds 5 to 10 kt. Seas 5 to 7 ft. .SUN...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .MON...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...NE to E winds 15 kt. Seas 2 to 4 ft. .TUE...E winds 15 kt. Seas 2 to 4 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft.