000 FZNT31 KNHC 090904 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 404 AM 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 will pass through the Yucatan Channel through the morning, extending from Central Cuba to Honduras late tonight, reaching from E Cuba to Nicaragua on Sun, and stalling from Haiti to Costa Rica Mon through Tue, then washing out on Wed. Strong to near gale force northerly winds and building seas are expected behind the front, with frequent gusts to gale in the NW Caribbean, and minimal sustained winds offshore the coast of Nicaragua and Costa Rica on Sun into Mon. Large northerly swell across the Atlc tropical waters and E Caribbean passages will subside tonight through Sun. NW Caribbean W of 85W ...GALE WARNING... .TODAY...NW to N winds 25 to 30 kt with frequent gusts to 35 kt. Seas 8 to 13 ft. .TONIGHT...NW to N winds 20 to 30 kt. Seas 8 to 13 ft. .SUN...N winds 20 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft. .MON...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. .TUE...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .WED...N winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W ...GALE WARNING... .TODAY...Between Cuba and Jamaica, E to SE winds 15 to 20 kt. Elsewhere, S winds 15 to 20 kt, becoming NW 25 to 30 kt behind front. Frequent gusts to 35 kt behind front W of 76W. Seas 6 to 10 ft. .TONIGHT...E to SE winds 10 to 15 kt Between Cuba and Jamaica, and N 20 to 30 kt elsewhere. Seas 6 to 9 ft. .SUN...Between Cuba and Jamaica, NE winds 10 to 15 kt, becoming N to NE 20 to 25 kt in the afternoon. Elsewhere, N winds 20 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...N to NE winds 20 to 25 kt. Seas 6 to 9 ft. .MON...N to NE winds 20 to 25 kt. Seas 6 to 8 ft. .MON NIGHT...N to NE winds 20 to 25 kt. Seas 5 to 7 ft. .TUE...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 15 to 20 kt. Seas 3 to 5 ft. .WED...N winds 15 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... .TODAY...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. .TONIGHT...N winds 20 to 30 kt, increasing to 30 to 35 kt within 60 nm of coast of Nicaragua late. Seas 6 to 10 ft. .SUN...N winds 30 to 35 kt Within 60 nm of coast of Nicaragua, and N 20 to 30 kt elsewhere. Seas 8 to 13 ft. .SUN NIGHT...N winds 30 to 35 kt Within 60 nm of coast of Nicaragua, and N 20 to 30 kt elsewhere. Seas 8 to 14 ft. .MON...N winds 20 to 30 kt. Seas 9 to 14 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 8 to 11 ft. .TUE...N winds 20 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...N winds 20 to 25 kt. Seas 6 to 9 ft. .WED...N winds 20 to 25 kt. Seas 6 to 8 ft. .WED NIGHT...N to NE winds 20 to 25 kt. Seas 6 to 8 ft. SW Caribbean S of 11N ...GALE WARNING... .TODAY...W winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...W to NW winds 10 to 15 kt S of 10N, and NW to N 20 to 25 kt elsewhere. Seas 5 to 7 ft. .SUN...N winds 20 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...N to NE winds 25 to 35 kt N of 10N W of 82W, and N winds 15 to 25 kt elsewhere. Seas 7 to 10 ft. .MON...N to NE winds 20 to 25 kt. Seas 8 to 11 ft. .MON NIGHT...N winds 15 to 20 kt. Seas 7 to 10 ft. .TUE...NW to N winds 15 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NW winds 15 to 20 kt. Seas 5 to 7 ft. .WED...N winds 15 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 15 to 20 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .SUN...E winds 10 to 20 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...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...NE 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...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. 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 4 to 6 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...NE winds 10 to 15 kt. Seas 6 to 9 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 less than 10 kt. Seas 4 to 6 ft. .TUE...E winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front just offshore NE Florida to Daytona Beach will shift eastward today reaching from Bermuda to E Cuba on Sun while accompanied by a strong to near gale force wind shift. The front will slow reaching from 28N65W to the Windward Passage on Mon, then reaching from 27N65W to Hispaniola on Tue where it will stall and gradually dissipate through mid-week. Large NE swell will gradually subside across the Atlantic waters E of 72W through tonight. ATLC waters from 27N to 31N W of 77W .TODAY...SW winds 20 to 30 kt, shifting to W to NW behind front. Seas 7 to 10 ft. .TONIGHT...NW winds 20 to 25 kt. Seas 8 to 11 ft. .SUN...NW to N winds 20 to 25 kt, diminishing to 15 kt in the afternoon. Seas 7 to 10 ft. .SUN NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NW winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...W winds 20 to 25 kt. Seas 6 to 8 ft. .TUE NIGHT...W to NW winds 20 to 25 kt. Seas 8 to 11 ft. .WED...NW winds 15 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...S to SW winds 20 to 30 kt. Seas 8 to 12 ft. .TONIGHT...SW winds 20 to 25 kt, shifting to W to NW behind front. Seas 8 to 11 ft. .SUN...NW to N winds 20 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...NW to N winds 10 to 15 kt. Seas 6 to 9 ft. .MON...NW to N winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...W winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SW to W winds 20 to 25 kt. Seas 7 to 10 ft. .WED...W to NW winds 20 to 25 kt. Seas 9 to 14 ft. .WED NIGHT...NW winds 15 to 20 kt. Seas 8 to 11 ft. Bahamas N of 22N .TODAY...S to SW winds 20 to 25 kt. Seas 4 to 6 ft ATLC Exposures, and 3 to 4 ft elsewhere. .TONIGHT...NW to N winds 20 to 25 kt. Seas 3 to 5 ft. .SUN...N winds 20 to 25 kt. Seas 3 to 5 ft. .SUN NIGHT...N to NE winds 15 to 20 kt. Seas 4 to 6 ft ATLC Exposures, and 3 to 4 ft elsewhere. .MON...N to NE winds 20 to 25 kt. Seas 3 to 5 ft. .MON NIGHT...N to NE winds 15 to 20 kt. Seas 3 to 5 ft. .TUE...N winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft late. .WED...NW winds 15 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SE winds 15 to 20 kt. Seas 7 to 9 ft. .TONIGHT...S winds 10 to 20 kt. Seas 7 to 8 ft. .SUN...SE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...W of 70W, N winds 10 to 20 kt. Elsewhere, SE winds less than 10 kt, shifting to E after midnight. Seas 6 to 8 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .TUE NIGHT...N winds less than 10 kt, shifting to W after midnight. Seas 4 to 6 ft. .WED...W winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 6 to 9 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds 10 to 20 kt. Seas 6 to 8 ft. .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...NE winds 10 to 15 kt, diminishing to less than 10 kt 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. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt, shifting to S after midnight. Seas 4 to 6 ft. .WED...W winds 10 to 15 kt, shifting to NW in the afternoon. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt, shifting to NE after midnight. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 15 to 20 kt. Seas 9 to 10 ft. .TONIGHT...E winds 10 to 20 kt. Seas 8 to 10 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 6 to 7 ft. .MON NIGHT...E winds 10 kt. Seas 5 to 6 ft. .TUE...SE winds 10 kt. Seas 5 to 6 ft. .TUE NIGHT...SE winds 10 kt. Seas 6 ft. .WED...S winds 10 kt. Seas 6 ft. .WED NIGHT...S winds 10 kt in the evening, becoming variable winds less than 10 kt. Seas 5 to 6 ft.