000 FZNT32 KNHC 042131 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 431 PM EST Wed Mar 4 2020 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 flow will prevail through Thu across the Gulf ahead of a cold front entering the NW Gulf late this afternoon. The front will extend from SE Louisiana to the central Bay of Campeche tonight, from the Florida Big Bend to the eastern Bay of Campeche Thu evening, then exit the basin on Fri. Fresh to strong winds and building seas are expected in association with the front. Gulf of Mexico N of 26N W of 87W .TONIGHT...SW winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NW winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. .FRI...NE winds 15 to 25 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. .SUN...SE winds 15 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...S winds 10 to 20 kt, shifting to NW after midnight. Seas 6 to 8 ft. .THU...NW winds 15 to 25 kt. Seas 6 to 8 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .MON...SE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...Within 60 nm of coast of Veracruz, N winds 10 to 15 kt, increasing to 15 to 25 kt after midnight. Elsewhere, S winds less than 10 kt, becoming NE 10 to 20 kt after midnight. Seas 3 to 5 ft. .THU...N winds 15 to 25 kt. Seas 6 to 9 ft within 60 nm of coast of Veracruz, and 4 to 6 ft elsewhere. .THU NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...NW winds 15 to 25 kt within 60 nm of coast of Veracruz, and N 10 to 20 kt elsewhere. Seas 6 to 8 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Gulf of Mexico E of 87W .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .THU...S winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...N winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .SUN...E winds 20 to 25 kt, diminishing to 10 to 20 kt in the afternoon. Seas 6 to 9 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.