000 FZNT32 KNHC 172110 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 410 PM EST Sun Dec 17 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 cold front extending from SW Louisiana to near Tuxpan Mexico will transition to a frontal trough later today. The trough will then lift northwestward tonight to inland Texas early on Monday. High pres will settle in over the area tonight through Monday night, then slide eastward to the eastern gulf Tuesday night through Thursday as a weak cold front moves across the northern waters and to E of the Gulf on Thursday. Gulf of Mexico N of 26N W of 87W .TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .MON...SE winds 10 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .WED...W winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...NW winds less than 10 kt, shifting to SW after midnight. Seas 3 ft. .THU...SE winds less than 10 kt. Seas 3 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...S winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .WED...SE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 3 ft. .THU...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...SE winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .MON...N winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .TUE...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .WED NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 3 ft. .THU...SE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 ft. .WED...S winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...SE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .FRI...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.