000 FZNT32 KNHC 020803 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 403 AM EDT Mon Apr 2 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 thermal trough will develop over the Yucatan Peninsula during the afternoons, drift west across the eastern Bay of Campeche during the overnight hours, and dissipate over the southwest gulf waters by late each morning. An east to west ridge meandering across the northern coastal plains today will retract east on Tue ahead of a cold front moving into the northwest gulf waters on Tue night. The front will dissect the gulf waters from the Florida Big Bend to Veracruz Mexico on Wed, then weaken across the southern gulf waters on Thu, and then gradually dissipate on Thu night into Fri. Gulf of Mexico N of 26N W of 87W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .WED...SE winds less than 10 kt, becoming NE 10 to 20 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 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. Gulf of Mexico from 22N to 26N W of 87W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE 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 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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. SW Gulf of Mexico S of 22N W of 87W .TODAY...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W .TODAY...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .TUE...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft in the afternoon. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds less than 10 kt. Seas 3 ft. .WED NIGHT...N winds less than 10 kt, increasing to 10 to 20 kt after midnight. Seas 3 to 4 ft. .THU...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.