262 FZNT32 KNHC 220210 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1010 PM EDT Wed Apr 21 2021 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 Naples, Florida southwestward to 23N88W and to the eastern Bay of Campeche. Another cold front extends from the NE Gulf to 27N90W to inland northeastern Mexico. Fresh north to northeast winds are behind the second cold front. The first front will exit the southeastern early this evening. The second cold front will reach from west- central Florida to the central Gulf by late tonight, then weaken early Thu as it reaches from southwest Florida to near 23N90W. Fresh to strong southerly return flow will develop over the western Gulf Fri, shift to the central Gulf early Sat and diminish late Sat as another cold front enters the far NW Gulf, and moves across the rest of the Gulf through Sun night as it weakens. In its wake, high pressure will shift eastward across the Gulf through Mon night. Scattered showers and thunderstorms to continue over the southeastern Gulf waters through early tonight. Gulf of Mexico N of 26N W of 87W .OVERNIGHT...NE winds 15 kt. Seas 4 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico from 22N to 26N W of 87W .OVERNIGHT...E 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 20 kt. Seas 4 to 6 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. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .SUN...E winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W .OVERNIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...Within 60 nm of coast of Veracruz, E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt, shifting to SE after midnight. Elsewhere, E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SE winds 15 to 25 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds less than 10 kt. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .MON...E winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .OVERNIGHT...N 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 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...W winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft in the evening, subsiding to 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less.