798 FZNT31 KNHC 070837 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 337 AM 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...Fresh to strong winds in the central Caribbean will diminish today as high pressure N of the area shifts eastward ahead of the next cold front forecast to enter the NW Caribbean. The front is forecast to reach from central Cuba to Belize by this evening, and from the Windward Passage to the Gulf of Honduras by Wed morning before dissipating 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 will pulse in the south central Caribbean through the forecast period. NW Caribbean W of 85W .TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .FRI...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .SAT...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...S of 18N, NE winds 10 to 15 kt. Elsewhere, NE winds less than 10 kt, shifting to N in the afternoon. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 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 3 to 5 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...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 6 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 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 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 4 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 6 ft. .SAT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .WED NIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .TONIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .WED...E winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .THU...E winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .FRI...Variable winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. 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, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front is moving across the western Atlantic waters, with gale-force winds on either side of the front mainly N of 30N. The front will extend from SE Bahamas and eastern Cuba tonight. Another swell event, with very rough seas will continue in the wake of the front, affecting the waters N of 29N, and propagating across the area N of 27N and E of 70W on Wed. Gale conditions associated with this front are forecast to end by tonight. Looking ahead, a reinforcing cold front may bring another round of gale-force winds to the offshore waters N of 29N by Thu night into Fri. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 15 to 20 kt. Seas 7 to 10 ft. .TONIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .WED...N winds 10 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NW winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...E winds 10 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 10 to 15 kt, shifting to S 15 to 25 kt after midnight. Seas 5 to 7 ft. .SAT...SW winds 20 to 30 kt. Seas 7 to 10 ft, building to 8 to 13 ft in the afternoon. .SAT NIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... ...GALE CONDITIONS POSSIBLE THU NIGHT... .TODAY...NW winds 20 to 35 kt W of 70W, and W 20 to 30 kt elsewhere. Seas 10 to 15 ft. .TONIGHT...N winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 8 to 13 ft W of 70W, and 11 to 16 ft elsewhere. .WED...NW winds 10 to 15 kt. Seas 7 to 10 ft W of 70W, and 9 to 14 ft elsewhere. .WED NIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft W of 70W, and 8 to 12 ft elsewhere. .THU...W winds 20 to 30 kt. Seas 8 to 13 ft. .THU NIGHT...NW winds 20 to 35 kt. Seas 11 to 16 ft. .FRI...N winds 15 to 25 kt. Seas 11 to 16 ft. .FRI NIGHT...N winds 10 to 15 kt, shifting to W after midnight. Seas 8 to 13 ft. .SAT...SW winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...W winds 20 to 30 kt. Seas 8 to 13 ft. Bahamas N of 22N .TODAY...NW winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .WED...NE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .THU...N winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 15 kt, shifting to W after midnight. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NW winds 10 to 15 kt. Seas 6 to 9 ft. .WED...N winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...N winds 10 kt. Seas 6 to 9 ft. .THU...NW winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 8 to 11 ft. .FRI...N winds 10 to 20 kt. Seas 9 to 14 ft. .FRI NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 8 to 13 ft. .SAT...E winds less than 10 kt, shifting to S in the afternoon. Seas 8 to 11 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters S of 22N W of 65W .TODAY...SW winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .WED...N winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .THU...N winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...N winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. 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. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds less than 10 kt. Seas 6 to 9 ft. .TONIGHT...Variable winds less than 10 kt. Seas 6 to 8 ft. .WED...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 6 to 8 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 5 to 7 ft. .THU...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 6 to 8 ft. .THU NIGHT...SW winds less than 10 kt, shifting to W after midnight. Seas 6 to 8 ft. .FRI...NW winds 10 to 15 kt. Seas 7 to 9 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 8 to 13 ft. .SAT...NE winds 10 to 15 kt. Seas 10 to 14 ft. .SAT NIGHT...NE winds 10 kt in the evening, becoming variable winds less than 10 kt. Seas 8 to 12 ft.