000 FZNT32 KNHC 061910 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 210 PM EST Sun Dec 6 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 cold front has now stalled this afternoon from the Florida Straits to the NW tip of the Yucatan Peninsula. To the west, a 1013 mb surface low pressure center is near 21N93W, with a trough extending N from it to 26N93W. To the SW of this low, gales will develop offshore Veracruz, Mexico tonight. This low will move quickly NE and out of the NE Gulf late tonight, dragging a reinforcing cold front through the eastern Gulf. This cold front will exit the SE Gulf by Mon afternoon. Winds and seas will diminish Tue and Tue night as high pressure builds over the northern Gulf. Looking ahead, southerly return flow will increase over the NW Gulf by Thu ahead of the next cold front. Gulf of Mexico N of 26N W of 87W .TONIGHT...NW winds 10 to 20 kt. Seas 3 to 4 ft. .MON...N winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 2 ft or less. .THU...S winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less, building to 3 ft in the afternoon. .THU NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...S winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .MON...N winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .WED...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .THU NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt, shifting to S after midnight. Seas 3 to 4 ft. SW Gulf of Mexico S of 22N W of 87W ...GALE WARNING... .TONIGHT...NW winds 25 to 35 kt within 60 nm of coast of Veracruz, and NW 15 to 25 kt elsewhere. Seas 6 to 9 ft. .MON...NW winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...Within 60 nm of coast of Veracruz, NW winds 10 to 15 kt. Elsewhere, N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .WED...NE winds less than 10 kt. Seas 3 ft. .WED NIGHT...E winds less than 10 kt. Seas 2 ft or less. .THU...SE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. Gulf of Mexico E of 87W .TONIGHT...SE winds less than 10 kt, shifting to W after midnight. Seas 2 ft or less. .MON...NW winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 15 to 20 kt. Seas 5 to 7 ft. .TUE...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .FRI...SE winds 10 kt. Seas 2 ft or less. .FRI NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight.