000 FZNT31 KNHC 120755 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 255 AM EST Sun Jan 12 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...Large, long- period northerly swell moving through the Atlantic passages into the northeast Caribbean and the Atlantic waters east of the Leeward and Windward Islands will subside late tonight through early Mon. Meanwhile, high pressure building across the western Atlantic will maintain moderate to fresh trade winds over the eastern and south- central Caribbean, with strong winds pulsing off Colombia through the middle of next week. NW Caribbean W of 85W .TODAY...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 5 ft. .WED NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. 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, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 to 5 ft elsewhere. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 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. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...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 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 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...NE winds less than 10 kt. Seas 7 to 10 ft. .TONIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 8 ft. .MON...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. 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 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extends from 31N62W to 23N80W, with gale force winds east of the front and N of 29N. The front will reach from 31N55W to the Straits of Florida today, before stalling and dissipating along roughly 21N late tonight into Mon. The gale force winds and rough seas will impact the waters north of 28N in the vicinity of the front today. These winds and seas will decrease as high pressure builds over the basin into Mon. A reinforcing front will move into the waters off northeast Florida Tue, and reach from Bermuda to South Florida Wed. ATLC waters from 27N to 31N W of 77W .TODAY...NW winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. .MON...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...Variable winds less than 10 kt, becoming NW less than 10 kt after midnight. Seas 3 to 4 ft. .TUE...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED...N winds 10 to 20 kt. Seas 6 to 7 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 5 to 6 ft. .THU...NW winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...NW winds 10 to 15 kt W of 70W, and NW 15 to 25 kt elsewhere. W of 70W, seas 8 to 13 ft, subsiding to 7 to 10 ft in the afternoon. Elsewhere, seas 12 to 17 ft. .TONIGHT...NW winds less than 10 kt W of 70W, and NW 10 to 15 kt elsewhere. Seas 6 to 9 ft W of 70W, and 9 to 14 ft elsewhere. .MON...W of 70W, Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Elsewhere, NW winds 10 kt. Seas 5 to 7 ft W of 70W, and 8 to 11 ft elsewhere. .MON NIGHT...W winds less than 10 kt W of 70W, and NW 10 to 15 kt elsewhere. Seas 5 to 7 ft W of 70W, and 7 to 8 ft elsewhere. .TUE...NW winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NW winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 8 to 13 ft. .THU...NW winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...W winds 10 to 15 kt. Seas 7 to 10 ft. Bahamas N of 22N .TODAY...N winds less than 10 kt. Seas 2 ft or less. .TONIGHT...NE winds less than 10 kt. Seas 3 ft. .MON...E winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...NE winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .WED...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W of 70W, NW winds 10 to 15 kt, shifting to N in the afternoon. Elsewhere, NW winds 10 to 15 kt. Seas 7 to 10 ft. .TONIGHT...N winds 10 kt. Seas 6 to 8 ft W of 70W, and 7 to 10 ft elsewhere. .MON...N winds less than 10 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds less than 10 kt. Seas 6 to 8 ft. .TUE...N winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .WED...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .THU...N winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...N winds less than 10 kt. Seas 6 to 9 ft. ATLC waters S of 22N W of 65W .TODAY...Variable winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .MON...NE winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .THU...NE winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...Variable winds less than 10 kt. Seas 7 to 10 ft. .TONIGHT...Variable winds less than 10 kt. Seas 6 to 8 ft. .MON...N winds less than 10 kt. Seas 7 to 10 ft. .MON NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 7 to 10 ft. .TUE...N winds 10 to 15 kt. Seas 7 to 9 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 7 to 9 ft. .WED...NE winds 10 to 15 kt. Seas 7 to 8 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft.