000 FZNT32 KNHC 131533 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1033 AM EST Wed Dec 13 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 the Straits of Florida to near Tampico Mexico will exit the basin by the afternoon. Another cold front will enter the northern Gulf Thu, then reach from the Florida Big Bend area in the NE Gulf to near Tampico Mexico by Fri afternoon, then stall from Tampa to the Bay of Campeche on Sat before lifting back to the W and NW through Sun. Gale force winds are possible along the coast of Mexico near Tampico Fri afternoon and night. Gulf of Mexico N of 26N W of 87W .TODAY...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 5 ft in the morning, subsiding to 2 ft or less. .TONIGHT...SW winds 10 kt. Seas 2 ft or less. .THU...SW winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SW winds less than 10 kt. Seas 2 ft or less. .FRI...NW winds 15 to 25 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...S winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Gulf of Mexico from 22N to 26N W of 87W ...GALE CONDITIONS POSSIBLE FRI AND FRI NIGHT... .TODAY...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 3 ft. .THU...S winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .FRI...E to SE winds 15 to 20 kt, becoming N 25 to 35 kt behind front. Seas 3 ft, building to 5 to 8 ft behind front. .FRI NIGHT...N to NE winds 30 to 35 kt, diminishing to 20 to 25 kt late. Seas 7 to 10 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...S winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W ...GALE CONDITIONS POSSIBLE FRI NIGHT... .TODAY...Within 60 nm of coast of Veracruz, NW winds 10 to 15 kt, shifting to N in the afternoon. Elsewhere, N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 2 ft or less. .THU...SE winds 10 to 15 kt within 60 nm of coast of Veracruz, and SE less than 10 kt elsewhere. Seas 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 ft. .FRI...SE winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...W of front, NW to N winds 25 to 35 kt. Seas 8 to 11 ft. E of front, NW to N winds 5 kt, shifting to SE late. Seas 3 to 5 ft. .SAT...NW winds 20 to 25 kt, becoming W to NW 10 to 15 kt in the afternoon. Seas 6 to 8 ft. .SAT NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 4 to 6 ft. .SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft. Gulf of Mexico E of 87W .TODAY...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .THU...SW winds less than 10 kt. Seas 3 ft. .THU NIGHT...S winds less than 10 kt. Seas 2 ft or less. .FRI...S winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 2 ft or less. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 20 kt. Seas 4 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.