000 FZNT31 KNHC 271447 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 947 AM EST Wed Dec 27 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...Expect strong trades over the Central and SW Caribbean through early Fri, with near gale force nocturnal winds near the coast of Colombia tonight. Strong NE winds then expected along the NW coast of Colombia during the overnight hours through the upcoming weekend. E swell currently across the tropical Atlc waters, including the E Atlc passages, will begin to subside from the NE on Thu with seas less than 8 ft by late Fri, but building back to 8 ft E of the Windwards on Sun. NW Caribbean W of 85W .TODAY...NE to E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...NE to E winds 10 to 15 kt. Seas 4 to 5 ft. .THU...NE to E winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Scattered showers and isolated thunderstorms. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 kt. Seas 3 to 4 ft. .SAT...NE to E winds 5 to 10 kt. Seas 3 ft. .SAT NIGHT...NE to E winds 10 kt. Seas 3 ft. .SUN...E winds 10 kt. Seas 3 ft. .SUN NIGHT...E to SE winds 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .TONIGHT...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 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 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...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. .TONIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 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. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TODAY...NE winds 20 to 25 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft. .THU...NE winds 15 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...N winds 5 to 10 kt S of 10N, and NE 15 to 20 kt elsewhere. Seas 6 to 8 ft. .FRI...N to NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .THU NIGHT...E winds 10 to 20 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 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. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E 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...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN 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 7 to 10 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...Remnants of a stationary front from 30N65W to the Northern Bahamas will lift N as a weak warm front today with a surface low developing near 31N79W by early Thu. The low will move NE dragging a new cold front SE through the Central Bahamas by Fri. Another surface low will develop near 29N78W on Thu night, and race E-NE passing N of Bermuda on Fri night. Expect a strong wind shift across the waters N of 30N E of 72W between 55W and 72W on Fri afternoon into late Fri night. ATLC waters from 27N to 31N W of 77W .TODAY...N of 29N W of 79W, NE winds less than 5 kt, becoming N 15 to 20 kt in the afternoon. Elsewhere, N to NE winds 5 to 10 kt. Seas 3 to 5 ft. .TONIGHT...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 15 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 9 ft. .FRI...NW to N winds 15 to 20 kt. Seas 7 to 8 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NW to N winds 5 to 10 kt. Seas 4 to 6 ft. .SAT NIGHT...NW to N winds 5 kt. Seas 4 to 5 ft. .SUN...N to NE winds less than 5 kt. Seas 3 to 4 ft. .SUN NIGHT...E to SE winds 5 to 10 kt. Seas 3 to 4 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 4 to 6 ft. .TONIGHT...E winds less than 10 kt, shifting to NW after midnight. Seas 4 to 6 ft. .THU...W of 70W, NE winds 10 to 20 kt. Elsewhere, NW winds less than 10 kt, shifting to N in the afternoon. Seas 7 to 10 ft W of 70W, and 5 to 7 ft elsewhere. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...S winds 10 to 15 kt. Seas 7 to 8 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...NW winds 10 kt. Seas 6 to 7 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 5 to 6 ft. .SUN...Variable winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft. Bahamas N of 22N .TODAY...NE to E winds 10 to 15 kt. ATLC Exposures, seas 4 to 6 ft. Elsewhere, seas 3 ft, subsiding to 2 ft or less. .TONIGHT...NE to E winds 10 to 15 kt. ATLC Exposures, seas 3 to 5 ft. Elsewhere, seas 2 ft or less, building to 3 ft late. .THU...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE to E winds 10 to 15 kt. ATLC Exposures, seas 3 to 5 ft. Elsewhere, seas 2 ft or less, building to 3 ft. .FRI...NE winds 5 to 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W of 70W, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds less than 10 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 5 to 7 ft. .THU...W of 70W, NE winds less than 10 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .THU NIGHT...E winds less than 10 kt. Seas 5 to 6 ft. .FRI...SE winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds less than 10 kt, shifting to N after midnight. Seas 5 to 7 ft. .SAT...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 6 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 5 to 6 ft. .SUN...E winds less than 10 kt. Seas 5 ft. .SUN NIGHT...E winds 10 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 15 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .THU...E winds 15 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 15 to 20 kt. Seas 7 to 9 ft. .TONIGHT...E winds 15 to 20 kt. Seas 7 to 8 ft. .THU...E winds 10 to 20 kt. Seas 7 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.