000 FZNT32 KNHC 231531 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1131 AM EDT Thu Apr 23 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...A developing low pressure system over the U.S. southern plains will induce fresh to strong S winds over the basin today. The low will drag a cold front across the northern Gulf tonight and Fri. A second cold front will move into the NW Gulf Fri night, then extend from S Florida to the SW Gulf Sun. Gulf of Mexico N of 26N W of 87W .THIS AFTERNOON...S winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...SW winds 10 to 15 kt, shifting to W after midnight. Seas 6 to 8 ft. .FRI...NE winds less than 10 kt, shifting to S in the afternoon. Seas 5 to 7 ft. .FRI NIGHT...S winds less than 10 kt. Seas 4 to 6 ft. .SAT...E winds less than 10 kt, shifting to NE in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Gulf of Mexico from 22N to 26N W of 87W .THIS AFTERNOON...S winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...SE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. SW Gulf of Mexico S of 22N W of 87W .THIS AFTERNOON...S winds 10 to 15 kt within 60 nm of coast of Veracruz, and SE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N winds less than 10 kt within 60 nm of coast of Veracruz, and SW 10 to 15 kt elsewhere. Seas 3 to 5 ft. .FRI NIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt. Elsewhere, NW winds 10 to 15 kt, shifting to NE after midnight. Seas 3 to 4 ft in the evening, subsiding to 2 ft or less. .SAT...SE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. .SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Gulf of Mexico E of 87W .THIS AFTERNOON...S winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...S winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...SW winds less than 10 kt, shifting to SE after midnight. Seas 3 to 5 ft. .SUN...NE winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.