000 FZNT31 KNHC 010233 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 933 PM EST Wed Jan 31 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...A frontal trough from eastern Cuba to Honduras will gradually dissipate through Thu night. The pressure gradient between Atlantic high pressure and persistent low pressure over northwest Colombia will support nocturnal gale force winds along the NW coast of Colombia tonight, and again on Thu night, with maximum seas of 15 ft. The pressure gradient will relax this weekend. A cold front will stall across the Yucatan Channel Mon. NW Caribbean W of 85W .TONIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...NE 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 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and 4 to 6 ft elsewhere. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E 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. .MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... .TONIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 8 to 11 ft. .THU...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. .THU NIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 8 to 11 ft. .FRI...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 8 to 11 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. SW Caribbean S of 11N .TONIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft. .THU...NE winds 15 to 25 kt. Seas 8 to 13 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...NE winds 10 to 20 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. Caribbean between 64W and 72W .TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .FRI...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 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 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON 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 .TONIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .THU...NE 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 15 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 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front extends from 31N52W to near 22N68W, then stationary to eastern Cuba. The front will weaken overnight, with remnants of the front lifting north across the Bahamas Thu night ahead of a second cold front moving off northern Florida coast on Fri. This second cold front will reach from Bermuda to 24N80W Sat, then stall from 25N65W to 23N80W on Sat night. A third cold front will move off the Florida coast on Sun night. ATLC waters from 27N to 31N W of 77W .TONIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .THU...SE winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...S winds 10 kt. Seas 4 to 6 ft. .FRI...NW winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...NE winds 15 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...SE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...S winds 15 to 25 kt. Seas 6 to 9 ft. .MON...NW winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...N winds 10 kt. Seas 4 to 6 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TONIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. .THU...E winds less than 10 kt. Seas 6 to 9 ft. .THU NIGHT...SE winds less than 10 kt. Seas 5 to 7 ft. .FRI...SW winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...NW winds 10 to 15 kt, increasing to 15 to 25 kt after midnight. Seas 6 to 8 ft. .SAT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. .MON...SW winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft. Bahamas N of 22N .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds less than 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 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 kt. Seas 3 to 5 ft. .MON...S winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 15 kt. Seas 8 to 9 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...E winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .MON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE 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 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft. .THU...NE winds 10 to 15 kt. Seas 6 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 9 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 15 kt. Seas 6 to 7 ft. .SAT NIGHT...NE 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 15 kt. Seas 7 to 8 ft. .MON...E winds 10 to 20 kt. Seas 7 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft.