000 FZNT31 KNHC 080246 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 946 PM EST Tue Jan 7 2025 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 19N W of 55W, the N Atlantic from 19N to 31N W of 55W including the Bahamas, and the Caribbean Sea. 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 Caribbean Sea and Tropical N Atlantic from 07N to 19N W of 55W .SYNOPSIS...A cold front extends across the northwest Caribbean from central Cuba to northern Belize. The front is forecast to continue moving E while weakening, then dissipate by Wed night. Moderate to fresh N to NE winds and moderate seas are expected behind the front. High pressure will build in the wake of the front, supporting moderate to fresh NE winds in the NW Caribbean through Fri. Fresh to strong winds pulse in the south central Caribbean through the forecast period. NW Caribbean W of 85W .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt, shifting to E after midnight. Seas 4 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...S winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 3 to 4 ft. .SUN...E winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 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 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .WED...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...N winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TONIGHT...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .THU...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...E winds less than 10 kt. Seas 6 to 9 ft. .WED...E winds less than 10 kt. Seas 6 to 8 ft. .WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .THU...SE winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .FRI...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 8 to 11 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 8 to 11 ft. .SUN...E winds less than 10 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 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 5 to 7 ft. .THU...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .FRI...E winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extends from 31N60W to 22N77W. Gale- force winds prevail ahead of the front N of 30N. The front will extend from 31N50W to 24N70W Wed morning. Gale force winds will end by early Wed morning while the fresh to strong winds move east of 55W later on Wed. Meanwhile, a swell event with with very rough seas will persist across the waters through Wed night N of 27N. A reinforcing cold front may bring another round of gale- force winds to the offshore waters N of 29N and E of 65W by Thu into Fri. This will also reinforce the swell event, with very rough to high seas persisting in waters N of 18N and E of 77W through the weekend. A third frontal system this weekend could bring increasing winds and seas. ATLC waters from 27N to 31N W of 77W .TONIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .WED...NW winds 10 kt. Seas 5 to 7 ft. .WED NIGHT...NW winds 10 to 15 kt, increasing to 15 to 25 kt after midnight. Seas 6 to 8 ft. .THU...NW winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds less than 10 kt. Seas 6 to 9 ft. .FRI NIGHT...S winds 10 to 15 kt, increasing to 20 to 30 kt after midnight. Seas 5 to 7 ft. .SAT...SW winds 20 to 30 kt. Seas 8 to 11 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft, subsiding to 5 to 7 ft after midnight. .SUN...NW winds 10 kt. Seas 4 to 6 ft. .SUN NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE THU NIGHT... .TONIGHT...N winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 9 to 14 ft W of 70W, and 11 to 16 ft elsewhere. .WED...NW winds 10 to 15 kt. Seas 8 to 11 ft W of 70W, and 10 to 15 ft elsewhere. .WED NIGHT...W winds 15 to 25 kt. Seas 8 to 11 ft W of 70W, and 10 to 13 ft elsewhere. .THU...NW winds 20 to 30 kt. Seas 9 to 14 ft, building to 12 to 17 ft in the afternoon. .THU NIGHT...NW winds 20 to 35 kt. Seas 13 to 18 ft. .FRI...NW winds 15 to 25 kt. Seas 12 to 17 ft. .FRI NIGHT...W winds 10 to 15 kt. Seas 9 to 14 ft. .SAT...SW winds 15 to 25 kt. Seas 8 to 11 ft. .SAT NIGHT...W winds 20 to 30 kt. Seas 9 to 14 ft. .SUN...NW winds 10 to 20 kt. Seas 8 to 13 ft. .SUN NIGHT...NW winds 10 to 15 kt. Seas 7 to 10 ft. Bahamas N of 22N .TONIGHT...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 5 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .THU...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 4 to 6 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds less than 10 kt. Seas 3 to 4 ft. .SUN...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 2 ft or less. .SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft. .WED...N winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 7 to 10 ft. .THU...NW winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 8 to 11 ft. .THU NIGHT...NW winds 15 to 25 kt. Seas 9 to 14 ft. .FRI...N winds 10 to 20 kt. Seas 11 to 16 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 9 to 14 ft. .SAT...SE winds less than 10 kt, shifting to S in the afternoon. Seas 8 to 11 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .SUN NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .TONIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .WED...N winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .THU...N winds less than 10 kt, shifting to NW in the afternoon. Seas 4 to 6 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...N winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...SE winds less than 10 kt. Seas 6 to 9 ft. .SAT NIGHT...SE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .SUN...Variable winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...Variable winds less than 10 kt. Seas 7 to 10 ft. .WED...Variable winds less than 10 kt. Seas 6 to 9 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 5 to 7 ft. .THU...SW winds less than 10 kt. Seas 6 to 8 ft. .THU NIGHT...W winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...NW winds 10 to 15 kt. Seas 8 to 11 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 8 to 13 ft, building to 11 to 14 ft after midnight. .SAT...NE winds 10 kt. Seas 11 to 14 ft. .SAT NIGHT...E winds 10 kt in the evening, becoming variable winds less than 10 kt. Seas 9 to 13 ft. .SUN...Variable winds less than 10 kt. Seas 7 to 10 ft. .SUN NIGHT...Variable winds less than 10 kt, becoming NE 10 kt after midnight. Seas 6 to 8 ft.