000 FZNT31 KNHC 100225 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 925 PM EST Sat Dec 9 2017 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...A strong cold front from Central Cuba to NE Nicaragua will continue SE and reach from E Cuba to Southern Nicaragua on Sun, then stall from Haiti to Costa Rica Mon through Tue, gradually dissipating on Wed through Thu. Strong to near gale force northerly winds and large seas are expected behind the front, with swaths of minimal gale force winds across the NW Caribbean tonight, and along the coasts of Nicaragua and NW Costa Rica on Sun into Mon. Large northerly swell across the Atlc tropical waters and E Caribbean passages will subside through Sun. NW Caribbean W of 85W .TONIGHT...N winds 15 to 25 kt. Seas 8 to 13 ft. .SUN...N winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .MON...N winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 10 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. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt, shifting to NE after midnight. Seas 3 to 4 ft. .THU...NE winds less than 10 kt. Seas 3 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W ...GALE WARNING... .TONIGHT...NE winds 25 to 35 kt diminishing to 15 to 25 kt. Seas 7 to 10 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft S of 18N, and 6 to 8 ft elsewhere. .MON...NE winds 15 to 25 kt S of 18N, and N 15 to 25 kt elsewhere. Seas 6 to 8 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 6 to 7 ft within 90 nm of coast of Colombia, and 7 to 10 ft elsewhere. .SUN NIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere except 30 to 35 kt W of 82W. Seas 5 to 7 ft within 90 nm of coast of Colombia, and 8 to 11 ft elsewhere. .MON...E winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft within 90 nm of coast of Colombia, and 7 to 10 ft elsewhere. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...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 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N ...GALE WARNING... .TONIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...N winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...N winds 15 to 25 kt except 25 to 35 kt W of 82W. Seas 8 to 14 ft. .MON...N winds 15 to 25 kt except 25 to 35 kt W of 82W early. Seas 10 to 15 ft W of 82W and 7 to 10 ft E of 82W. .MON NIGHT...N winds 10 to 15 kt. Seas 7 to 10 ft. .TUE...N winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .WED...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt, shifting to NE in the afternoon. Gulf of Venezuela, seas 3 to 4 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .TUE...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 ft. .WED...E winds less than 10 kt. Seas 3 ft. .WED NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU 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 .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 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. .MON...E winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .TUE...SE winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .WED...SE winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. 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. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .MON...E winds less than 10 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, 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...E winds 10 to 15 kt. Seas 4 to 6 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...NE winds 10 to 20 kt. Seas 5 to 7 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front from 31N74W to Central Cuba will continue E reaching from Bermuda to E Cuba early Sun while accompanied by a strong to near gale force wind shift. The front will slow reaching from 28N65W to the Windward Passage on Sun night, reach from 27N65W to Haiti on Mon night, reach from 27N65W to the Dominican Republic on Tue, and then gradually dissipate across the tropical waters N of Puerto Rico on Wed and Thu. A second, but drier, cold front will move into the NW waters on Tue, reach from Bermuda to Central Cuba on Wed, and weaken from 23N65W to the Windward passage on Thu night. ATLC waters from 27N to 31N W of 77W .TONIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...NW winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NW winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...W winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...W winds 15 to 25 kt. Seas 8 to 11 ft. .WED...NW winds 15 to 25 kt. Seas 6 to 9 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .THU...W winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TONIGHT...SW winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...NW winds 10 to 20 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 7 to 10 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .MON...N winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NW winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...W winds 15 to 25 kt. Seas 7 to 10 ft. .WED...W winds 15 to 25 kt. Seas 8 to 13 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 8 to 13 ft. .THU...NW winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...SW winds less than 10 kt. Seas 6 to 8 ft. Bahamas N of 22N .TONIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...N winds 15 to 25 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .MON...N winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...N winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .WED...NW winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NW winds 10 to 15 kt, shifting to N after midnight. Seas 3 to 5 ft. .THU...NE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...S winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...S winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...N winds 10 to 20 kt W of 70W, and SE less than 10 kt elsewhere. Seas 6 to 8 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 5 to 7 ft. .TUE NIGHT...W winds less than 10 kt. Seas 4 to 6 ft. .WED...W winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 6 to 9 ft. .THU...N winds less than 10 kt. Seas 6 to 8 ft. .THU NIGHT...E winds less than 10 kt. Seas 6 to 8 ft. ATLC waters S of 22N W of 65W .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .MON...E winds less than 10 kt, shifting to NE in the afternoon. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt, shifting to SW after midnight. Seas 4 to 6 ft. .WED...NW winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt, shifting to NE after midnight. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 20 kt. Seas 8 to 9 ft. .SUN...NE winds 10 to 15 kt. Seas 7 to 8 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 kt in the evening, becoming variable winds less than 10 kt. Seas 5 to 6 ft. .TUE...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 5 to 6 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming SE 10 kt after midnight. Seas 5 to 6 ft. .WED...S winds 10 kt. Seas 5 to 6 ft. .WED NIGHT...SE winds less than 10 kt. Seas 5 to 6 ft. .THU...SE winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.