000 FZNT32 KNHC 072102 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 402 PM EST Sun Jan 7 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 high pres from the Ohio Valley to Cuba will produce fresh to strong NE winds across the Straits of Florida and SE Gulf through this afternoon. The high will shift eastward into the western Atlantic tonight and Monday allowing for fresh to strong return flow to set up across the central Gulf from early on Sunday through early on Monday evening. Low pres and its associated cold front will move southeastward over the NW and N central Gulf on Monday, then move southeastward over the central Gulf Monday night through Tuesday as the system weakens. The next strong cold front is expected to move across the NW Gulf Thu night, and across the central and eastern gulf waters Fri and Fri night followed by strong to near gale force northerly winds and building seas. Gulf of Mexico N of 26N W of 87W .TONIGHT...S winds 15 to 25 kt. Seas 6 to 9 ft. .MON...W winds 15 to 25 kt. Seas 7 to 9 ft. .MON NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 kt. Seas 3 to 4 ft. .WED...SE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 10 to 20 kt. .THU...S winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...W winds 20 to 30 kt. Seas 5 to 7 ft. .FRI...NW winds 20 to 30 kt. Seas 7 to 10 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .MON...SW winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...NW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .WED...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 3 ft. .WED NIGHT...S winds less than 10 kt, becoming SE 10 to 20 kt after midnight. Seas 3 to 5 ft. .THU...S winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...W winds 15 to 25 kt. Seas 4 to 6 ft. .FRI...NW winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...Within 60 nm of coast of Veracruz, S winds 10 to 15 kt, shifting to NW in the afternoon. Elsewhere, SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...Within 60 nm of coast of Veracruz, NW winds 10 to 15 kt, shifting to N in the afternoon. Elsewhere, NW winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .WED...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 3 ft. .WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .THU...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt, shifting to NW 10 to 20 kt after midnight. Seas 3 to 4 ft. .FRI...NW winds 15 to 25 kt. Seas 5 to 7 ft. .FRI NIGHT...N winds 10 to 20 kt, diminishing to less than 10 kt after midnight. Seas 7 to 10 ft. Gulf of Mexico E of 87W .TONIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SE winds 10 to 15 kt, shifting to S after midnight. Seas 4 to 6 ft. .TUE...E winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SW winds 15 to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft.