000 FZNT31 KNHC 040329 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1029 PM EST Wed Jan 3 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 cold front from central Cuba to NE Nicaragua will drift SE and become ill defined from the SW Caribbean to Windward Passage through late Fri. Broad low pressure near 13N79W will remain stationary and gradually weaken to a trough through Fri. Reinforcing cold air behind front will support strong N winds spilling S into the SW Caribbean tonight through Sat. Large seas will build across the waters east of Nicaragua southward to the northern coast of Panama. Large NW swell will invade Atlc waters and Caribbean passages late Fri through the weekend. NW Caribbean W of 85W .TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU...N winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...N winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .SUN...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 15 to 25 kt S of 18N, and N 10 to 20 kt elsewhere. Seas 5 to 7 ft. .THU...NE winds 15 to 25 kt S of 18N, and N 10 to 20 kt elsewhere. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .THU NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft S of 18N, and 4 to 6 ft elsewhere. .FRI...NE winds 15 to 25 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...E winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 20 to 30 kt elsewhere. Seas 4 to 6 ft within 90 nm of coast of Colombia, and 6 to 9 ft elsewhere. .THU...E winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 20 to 30 kt elsewhere. Seas 4 to 6 ft within 90 nm of coast of Colombia, and 7 to 10 ft elsewhere. .THU NIGHT...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 8 to 11 ft elsewhere. .FRI...E winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 20 to 30 kt elsewhere. Seas 5 to 7 ft within 90 nm of coast of Colombia, and 8 to 11 ft elsewhere. .FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 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. .MON...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TONIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .THU...N winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...NE winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON...E winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 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 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .MON...E winds 15 to 25 kt. Seas 8 to 12 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .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...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .MON...E winds 10 to 20 kt. Seas 8 to 11 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...Complex low pres near 32N76W 994 mb is deepening rapidly and will move quickly NNE tonight...producing a large area of gale force winds covering much of the area N of 26N. This low will exit the region to the NNE Thu and continue to rapidly deepen while generating large NW swell. Trailing cold front extends SSW across the central Bahamas to central Cuba and will shift SE and reach from Bermuda to Windward Passage midday Thu then drift SE and stall through Sat. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TONIGHT...NW winds 25 to 35 kt. Seas 13 to 18 ft. .THU...W winds 20 to 25 kt. Seas 11 to 16 ft, subsiding to 9 to 13 ft in the afternoon. .THU NIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...NW winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...N winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...NE 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 9 ft. .MON...S winds 10 to 20 kt. Seas 7 to 9 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .TONIGHT...W winds 25 to 40 kt W of 70W, and S 20 to 30 kt elsewhere. W of 70W, seas 10 to 15 ft, building to 13 to 18 ft after midnight. Elsewhere, seas 9 to 14 ft. .THU...W winds 25 to 35 kt W of 70W, and W 20 to 30 kt elsewhere. Seas 13 to 18 ft. .THU NIGHT...W winds 20 to 30 kt. Seas 12 to 17 ft. .FRI...NW winds 10 to 20 kt. Seas 9 to 14 ft W of 70W, and 11 to 16 ft elsewhere. .FRI NIGHT...NW winds 10 to 15 kt. Seas 9 to 14 ft. .SAT...N winds 10 to 15 kt. Seas 8 to 11 ft. .SAT NIGHT...N winds 15 to 20 kt. Seas 8 to 11 ft. .SUN...NE winds 15 to 25 kt. Seas 8 to 12 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .MON...E winds 15 to 20 kt. Seas 8 to 11 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 8 to 10 ft. Bahamas N of 22N .TONIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .THU...NW winds 15 to 25 kt. Seas 6 to 8 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...W winds 20 to 30 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 9 to 14 ft W of 70W, and 7 to 10 ft elsewhere. .THU...NW winds 15 to 25 kt W of 70W, and W 10 to 20 kt elsewhere. Seas 9 to 14 ft W of 70W, and 7 to 10 ft elsewhere. .THU NIGHT...NW winds 10 to 20 kt. Seas 8 to 11 ft. .FRI...N winds 10 to 15 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...NE winds 20 to 30 kt. Seas 10 to 13 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 10 to 13 ft. .MON...E winds 15 to 25 kt. Seas 10 to 13 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 9 to 10 ft. ATLC waters S of 22N W of 65W .TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SW winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...SE winds 10 to 20 kt. Seas 7 to 9 ft. .THU...SE winds 10 to 20 kt. Seas 8 to 10 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...SE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 8 to 9 ft. .SAT...SE winds 15 to 20 kt. Seas 9 to 11 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 9 to 11 ft. .SUN...E winds 10 to 20 kt. Seas 9 to 11 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 10 to 12 ft. .MON...E winds 20 to 25 kt. Seas 11 to 12 ft. .MON NIGHT...E winds 20 kt. Seas 10 to 12 ft.