000 FZNT31 KNHC 010827 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 327 AM EST Mon Jan 1 2018 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 22N between 55W and 64W, the SW N Atlantic S of 31N W of 65W including 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 ATLC from 07N to 19N between 55W and 64W .SYNOPSIS...Moderate to fresh trades will dominate across the basin through Wed early evening. A cold front will enter the NW Caribbean waters Tue morning and will gradually weaken as it approaches eastern Cuba and Nicaragua. Reinforcing cold air from the NW will support fresh to strong northerly winds across the NW and SW waters Wed night through Saturday with seas building to 8 ft in waters adjacent to Nicaragua, Costa Rica and northern Panama. Fresh to strong winds are forecast off the lee of eastern Cuba and across the Windward Passage Thu night. NW Caribbean W of 85W .TODAY...NE winds less than 10 kt, shifting to N in the afternoon. Seas 3 to 4 ft. .TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...N winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU...N winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 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 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...N 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. .FRI...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .THU...NE winds 15 to 25 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...NE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TODAY...N winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...S winds less than 10 kt, shifting to W in the afternoon. Seas 4 to 6 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 15 to 25 kt. Seas 5 to 7 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .TODAY...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 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. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 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 10 to 15 kt. 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. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 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 10 to 15 kt. 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. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front will blast southeastward today followed by strong to near gale-force northerly winds spreading southward over the northern Bahamas Tue through early Wed morning. A large area of rapidly deepening low pressure will develop near the northern Bahamas Wed afternoon lifting quickly to the NE. Gales could affect much of the waters N of 27N Wed night through Thu night. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...N winds 20 to 30 kt. Seas 8 to 11 ft, building to 10 to 14 ft after midnight. .TUE...NE winds 20 to 30 kt. Seas 10 to 14 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft, subsiding to 8 to 11 ft after midnight. .WED...E winds 10 to 20 kt, becoming N 20 to 30 kt in the afternoon. Seas 8 to 11 ft. .WED NIGHT...NW winds 20 to 30 kt. Seas 8 to 13 ft. .THU...NW winds 20 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NW winds 10 kt. Seas 5 to 7 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE CONDITIONS POSSIBLE... .TODAY...W winds 10 to 20 kt. Seas 7 to 10 ft W of 70W, and 6 to 8 ft elsewhere. .TONIGHT...N winds 20 to 30 kt W of 70W, and W 10 to 20 kt elsewhere. W of 70W, seas 7 to 10 ft, building to 8 to 13 ft after midnight. Elsewhere, seas 6 to 9 ft. .TUE...NE winds 20 to 30 kt W of 70W, and N 15 to 25 kt elsewhere. Seas 10 to 15 ft W of 70W, and 8 to 11 ft elsewhere. .TUE NIGHT...NE winds 20 to 30 kt W of 70W, and NE 15 to 25 kt elsewhere. Seas 10 to 15 ft W of 70W, and 8 to 12 ft elsewhere. .WED...E winds 15 to 25 kt. Seas 8 to 12 ft. .WED NIGHT...W winds 25 to 35 kt. Seas 9 to 13 ft. .THU...W to NW winds 25 to 35 kt. Seas 12 to 17 ft. .THU NIGHT...W winds 15 to 25 kt. Seas 11 to 16 ft. .FRI...NW winds 10 to 15 kt. Seas 9 to 14 ft. .FRI NIGHT...NW winds 10 kt. Seas 7 to 10 ft. Bahamas N of 22N .TODAY...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...N winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...S winds 10 to 15 kt, shifting to W 15 to 25 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...NW winds 15 to 25 kt. Seas 5 to 7 ft. .THU...NW winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .FRI...N winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NW winds less than 10 kt, shifting to SW in the afternoon. Seas 4 to 5 ft. .TONIGHT...S winds less than 10 kt. Seas 4 to 6 ft. .TUE...S winds less than 10 kt, shifting to E in the afternoon. Seas 7 to 10 ft W of 70W, and 5 to 6 ft elsewhere. .TUE NIGHT...W of 70W, E winds 10 to 20 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 8 to 13 ft W of 70W, and 6 to 9 ft elsewhere. .WED...S winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...SW winds 15 to 25 kt. Seas 8 to 11 ft. .THU...W winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 7 to 10 ft. .FRI...N winds less than 10 kt. Seas 7 to 10 ft. .FRI NIGHT...N winds 10 kt. Seas 7 to 10 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...S winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .THU...W winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...SE winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...SE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft.