000 FZNT31 KNHC 050315 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1015 PM EST Thu Jan 4 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 has stalled from the Windward Passage SW across Jamaica to 15N78W to the Panama Canal and will gradually weaken through late Fri. Low pressure centered near 10N80W will remain nearly stationary and dissipate by Fri. Reinforcing cold air behind the front will support strong to near gale force N winds W of front from offshore of SE Nicaragua to the northern coast of Panama through Sat, generating large seas in excess of 12 ft. Large NW swell will invade Atlc waters and Caribbean passages late Fri through this weekend and merge with E swell late Sat through Sun. NW Caribbean W of 85W .TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...N winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...N winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...N winds 10 to 15 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 NE 10 to 20 kt elsewhere. Seas 6 to 8 ft S of 18N, and 4 to 6 ft elsewhere. .FRI...NE winds 15 to 25 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 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 15 to 25 kt elsewhere. Seas 4 to 6 ft within 90 nm of coast of Colombia, and 7 to 10 ft elsewhere. .FRI...NE winds 15 to 25 kt. Seas 6 to 7 ft within 90 nm of coast of Colombia, and 7 to 10 ft elsewhere. .FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...NE winds 15 to 25 kt. Seas 6 to 9 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 5 to 7 ft. .MON...E winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .TONIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...N winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...N winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 15 kt, shifting to SW in the afternoon. Seas 4 to 6 ft. .MON NIGHT...NW winds less than 10 kt. Seas 4 to 6 ft. .TUE...N winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .FRI NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. 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 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 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE 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...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 10 to 20 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 13 ft. .MON...E winds 15 to 25 kt. Seas 8 to 13 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .TUE...E winds 10 to 20 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...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 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 10 to 20 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .MON...E winds 10 to 20 kt. Seas 8 to 11 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .TUE...E winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A large and very intense low pres system across the NW Atlc possesses an expansive area of gale force winds that extend southward to 30N between 71W and 77W early tonight. The low will continue to move NE and lift the gale force winds N of the local region early Fri. Large NW swell will spread across the regional waters tonight through the weekend. A trailing cold front extends from 30N61W to the Windward Passage will drift SE across the local waters through late Fri then stall from near 31N55W to Hispaniola by Sat morning then meander through Mon. ATLC waters from 27N to 31N W of 77W .TONIGHT...NW winds 15 to 25 kt. Seas 10 to 15 ft, subsiding to 8 to 12 ft after midnight. .FRI...NW winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...N winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .MON...SE winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NW winds 10 to 20 kt. Seas 6 to 7 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 6 to 7 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .TONIGHT...N of 30N W of 71W W winds 30 to 35 kt. Seas 16 to 24 ft. Elsewhere W winds 20 to 30 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 15 to 20 ft. .FRI...NW winds 15 to 25 kt. Seas 11 to 16 ft W of 70W, and 14 to 19 ft elsewhere. .FRI NIGHT...NW winds 10 to 20 kt. W of 70W, seas 9 to 14 ft, subsiding to 8 to 11 ft after midnight. Elsewhere, seas 12 to 17 ft. .SAT...N winds 10 to 15 kt. Seas 7 to 10 ft W of 70W, and 10 to 14 ft elsewhere. .SAT NIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft. .SUN...NE winds 15 to 25 kt. Seas 8 to 12 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .MON...E winds 10 to 20 kt. Seas 8 to 11 ft. .MON NIGHT...SE winds 15 to 20 kt. Seas 7 to 10 ft. .TUE...S winds 15 to 25 kt. Seas 7 to 9 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 6 to 8 ft. Bahamas N of 22N .TONIGHT...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 15 to 25 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 8 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...W winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds less than 10 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...NW winds 10 to 20 kt. Seas 9 to 14 ft W of 70W, and 8 to 13 ft elsewhere. .FRI...N winds 10 to 15 kt. Seas 9 to 13 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft W of 70W, and 10 to 13 ft elsewhere. .SAT...NE winds 10 to 20 kt. Seas 8 to 12 ft. .SAT NIGHT...NE winds 15 to 25 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 10 to 12 ft. .MON...E winds 15 to 25 kt. Seas 10 to 12 ft. .MON NIGHT...SE winds 15 to 20 kt. Seas 9 to 11 ft. .TUE...S winds 10 to 20 kt. Seas 8 to 9 ft. .TUE NIGHT...SW winds 10 to 20 kt. Seas 7 to 9 ft. ATLC waters S of 22N W of 65W .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...SE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...SE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .SAT...E winds 15 to 20 kt. Seas 11 to 12 ft. .SAT NIGHT...SE winds 15 to 20 kt. Seas 10 to 12 ft. .SUN...E winds 15 to 20 kt. Seas 10 to 12 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 10 to 13 ft. .MON...E winds 15 to 20 kt. Seas 10 to 13 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 10 to 12 ft. .TUE...E winds 15 to 20 kt. Seas 10 to 11 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 9 to 10 ft.