000 FZNT32 KNHC 051441 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1041 AM EDT Thu Apr 5 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...A cold front extends from Tampa Bay southwestward to near 26N90W, where it becomes stationary to 25N96W and to inland Mexico at 21N97W. The front will weaken across the southern gulf waters this afternoon, and then gradually dissipate tonight into Fri. A second cold front will enter the far northwest waters late Fri night, stall from southwest Florida to Veracruz Mexico on Sun, with remnants of the front lifting rapidly northeast on Sun night and Mon as a third cold front reaches the northern coastal waters. A thermal trough will develop over the Yucatan Peninsula during the afternoons through the period, drift westward across the eastern Bay of Campeche during the overnight hours, and dissipate over the southwest gulf waters by late each morning. Gulf of Mexico N of 26N W of 87W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .MON...S winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Gulf of Mexico from 22N to 26N W of 87W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SUN...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .FRI...SE winds less than 10 kt within 60 nm of coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt. Seas 2 to 3 ft. .SUN...SE winds less than 10 kt. Seas 2 to 3 ft. .SUN NIGHT...E winds less than 10 kt. Seas 2 to 3 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SE to S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SE winds less than 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...S winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft.