000 FZNT31 KNHC 131530 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1030 AM EST Wed Dec 13 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 weakening stationary front extending from the Windward Passage to central Panama will dissipate to a remnant trough tonight. Strong north winds W of the front will gradually diminish from the NW through Thu evening. Strong nocturnal trades will resume along the coast of Colombia starting Thu night, with near gale force winds possible Sat night through Sun night. NW Caribbean W of 85W .TODAY...NW winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 to 4 ft. .TONIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .THU...NE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 3 ft. .FRI...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 20 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 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 15 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. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. Caribbean from 11N to 15N W of 72W ...GALE CONDITIONS POSSIBLE BY SAT NIGHT... .TODAY...E winds 10 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 3 to 4 ft within 90 nm of coast of Colombia, and 5 to 7 ft elsewhere. .TONIGHT...E winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft within 90 nm of coast of Colombia, and 5 to 7 ft elsewhere. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...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. .FRI...E winds 15 to 25 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...NE to E winds 20 to 30 kt, except 25 to 35 kt within 90 nm of coast of Colombia. Seas 8 to 14 ft. .SUN...NE to E winds 20 to 25 kt. Seas 8 to 13 ft. .SUN NIGHT...NE to E winds 20 to 30 kt, except 25 to 35 kt within 90 nm of coast of Colombia. Seas 8 to 15 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft. Caribbean between 64W and 72W .TODAY...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...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. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 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 15 kt. Seas 4 to 6 ft. .TONIGHT...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 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN 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 reaches from 31N70W to the Straits of Florida will move SE and reach from 26N65W by early Thu before stalling and eventually dissipating along 22N into Fri. Gales ahead of the front near 30N will diminish below gale force this morning. A ridging will build along 25N through Thu in the wake of the front. Another cold front will move off the NE Florida coast early Fri, and reach from Bermuda to South Florida Sat, before reaching from 24N65W to eastern Cuba early Sun. ATLC waters from 27N to 31N W of 77W .TODAY...NW winds 10 to 20 kt. Seas 7 to 10 ft, subsiding to 5 to 7 ft in the afternoon. .TONIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .THU...W winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SW winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 kt. Seas 3 to 4 ft. .SUN...SE winds 10 kt. Seas 3 to 4 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .REST OF THIS MORNING...N of 30N NW winds 30 to 35 kt diminishing to 25 to 30 kt. Seas 12 to 14 ft. S of 30N W winds 20 to 30 kt. Seas 8 to 13 ft. .THIS AFTERNOON...NW winds 15 to 25 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 9 to 14 ft W of 70W, and 8 to 13 ft elsewhere. .TONIGHT...W winds 10 to 15 kt. Seas 7 to 10 ft W of 70W, and 9 to 14 ft elsewhere. .THU...W winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Bahamas N of 22N .TODAY...NW winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 to 5 ft. .TONIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .THU...Variable winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 ft. .FRI...E winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SAT...NE winds 10 to 15 kt. Seas 3 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NW winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 6 to 9 ft. .THU...Variable winds less than 10 kt. Seas 6 to 9 ft. .THU NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .FRI...E winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .SAT...NE winds less than 10 kt. Seas 4 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. ATLC waters S of 22N W of 65W .TODAY...W winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt, shifting to E after midnight. Seas 3 to 5 ft. .THU...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 kt. Seas 5 to 7 ft. .TONIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 4 to 6 ft. .THU...E winds 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 7 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...NE winds 10 to 20 kt. Seas 7 to 8 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 7 to 8 ft.