000 FZNT32 KNHC 121400 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1000 AM EDT Thu Apr 12 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...Southerly return forecast across the gulf waters through Fri ahead of a cold front moving off the Texas coast on Fri night. The front will extend from the Mississippi Delta to the Bay of Campeche on Sat night, extend from the Florida Big bend area to the Yucatan Peninsula on Sun, and move southeast of the area on Sun night. Gale conditions area forecast across the SW Gulf on Sat into Sat night. Southerly return flow will redevelop across the northwest gulf on Mon night. Gulf of Mexico N of 26N W of 87W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...SE winds 15 to 25 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...S winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...NW winds 15 to 25 kt. Seas 7 to 9 ft. .SUN...NW winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. .MON...N winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Gulf of Mexico from 22N to 26N W of 87W ...GALE CONDITIONS POSSIBLE... .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SE winds 15 to 25 kt increasing to 25 to 35 kt late. Seas 6 to 8 ft. .SAT NIGHT...NE winds 20 to 35 kt. Seas 7 to 10 ft. .SUN...N winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .MON...N winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. SW Gulf of Mexico S of 22N W of 87W ...GALE CONDITIONS POSSIBLE... .THIS AFTERNOON...Variable winds less than 10 kt within 60 nm of coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .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. .SAT...SE winds 15 to 25 kt. Seas 4 to 6 ft. .SAT NIGHT...N winds 20 to 35 kt. Seas 5 to 7 ft. .SUN...N winds 20 to 30 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .MON...N winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Gulf of Mexico E of 87W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...SW winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. .MON...NW winds 10 to 20 kt. Seas 7 to 9 ft. .MON NIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft.