000 FZNT32 KNHC 212016 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 316 PM EST Sun Jan 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...Fresh S to SE winds will continue across the western Gulf through this evening ahead of a cold front moving SE off the Texas coast around sunrise on Mon. The cold front will extend from the Mississippi Delta to Veracruz Mexico late Mon, and then stall from SW Florida to near Veracruz Mexico on Tue night. A surge of cold air will cause winds to increase over most of the Gulf Thu night through Fri night. Gulf of Mexico N of 26N W of 87W .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...S winds 10 to 15 kt, shifting to W 10 to 20 kt in the afternoon. Seas 4 to 5 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 15 to 20 kt. Seas 5 to 6 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft. .THU...E winds 15 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...SE winds 15 to 25 kt. Seas 7 to 10 ft. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 15 kt, shifting to NE 10 to 20 kt in the afternoon. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...Within 60 nm of coast of Veracruz, E winds less than 10 kt, shifting to N in the afternoon. Elsewhere, E winds less than 10 kt. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NW winds 15 to 25 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Gulf of Mexico E of 87W .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 15 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft.