000 FZNT32 KNHC 151448 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1048 AM EDT Mon Apr 15 2019 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 south Florida to near Cancun, Mexico will weaken as it exits the SE Gulf this afternoon. High pressure building across the area in the wake of the front will shift eastward Wed through Thu in response to another cold front that will move over the NW Gulf early on Thu, reaching from SE Louisiana to the central Bay of Campeche Thu night and from the Florida Big Bend to the Yucatan Peninsula on Fri. Fresh to strong winds and building seas are expected ahead and behind the front. Gulf of Mexico N of 26N W of 87W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft. .THU...S winds 15 to 25 kt. Seas 6 to 8 ft. .THU NIGHT...W winds 20 to 30 kt. Seas 7 to 10 ft. .FRI...NW winds 20 to 30 kt. Seas 8 to 11 ft. .FRI NIGHT...NW winds 20 to 30 kt. Seas 7 to 10 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 20 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft. .THU...S winds 15 to 25 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 20 kt, shifting to N 15 to 25 kt after midnight. Seas 6 to 8 ft. .FRI...N winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. SW Gulf of Mexico S of 22N W of 87W .THIS AFTERNOON...Within 60 nm of coast of Veracruz, Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...Within 60 nm of coast of Veracruz, SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...SE winds 15 to 25 kt. Seas 4 to 6 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...N winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. Gulf of Mexico E of 87W .THIS AFTERNOON...N winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...S winds 15 to 25 kt. Seas 5 to 7 ft. .FRI...SW winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...W winds 15 to 25 kt. Seas 7 to 10 ft.