621 FZNT32 KNHC 170920 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 520 AM EDT Sun Mar 17 2024 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...Weak high pressure over the E basin will dissipate today ahead of a cold front that crosses northern Florida into the Big Bend offshore waters where it stalls and contiues westward to Houston, Texas. This cold front will move NE of the basin today ahead of the next cold front forecast to emerge to the NW Gulf this evening. The front will extend from the Big Bend to Tampico on Mon morning and exit the basin early on Tue. Fresh to strong winds and rough seas are expected behind the front Sun night through Tue morning. Light density smoke originating from widespread fire activity mixed in with volcanic emissions in Mexico covers most of the basin, however medium density smoke is over the adjacent waters from Tampico to Veracruz with visibility 5 nm or less. In addition, oil platforms have been reporting dense fog in the NW offshore waters with similar visibility. Gulf of Mexico N of 26N W of 87W .TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SW winds 10 to 15 kt, shifting to NW after midnight. Seas 3 to 4 ft. .MON...N winds 15 to 25 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .THU...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 ft. .THU NIGHT...E 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 4 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .TUE...NE winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...SE winds less than 10 kt within 60 nm of coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 3 to 4 ft. .TONIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt. Elsewhere, E 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...Within 60 nm of coast of Veracruz, N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, NE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .TODAY...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...S 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...SW winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 15 to 25 kt. Seas 6 to 8 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight.