000 FZNT31 KNHC 041436 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 936 AM 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 from the Windward Passage to 16N79W to the Panama Canal is stalling and will gradually weaken through late Fri. Broad low pressure centered near 10N80W will remain nearly stationary and dissipate by Fri. Reinforcing cold air behind the front will support gale force N winds until this evening off the northern coast of Panama. Large seas to 14 ft are likely east of Nicaragua southward to the northern coast of Panama. Large NW and NE swell will invade Atlc waters and Caribbean passages late Fri through this weekend. NW Caribbean W of 85W .TODAY...N winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NE 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 10 to 20 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. Caribbean N of 15N between 72W and 85W .TODAY...NE winds 15 to 25 kt S of 18N, and N 10 to 20 kt elsewhere. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .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 S of 18N, and 5 to 7 ft elsewhere. .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 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 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...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. .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 5 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 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N ...GALE WARNING TODAY... .TODAY...N of 10N and W of 81W NW to N winds 30 to 35 kt. Seas 10 to 14 ft. Elsewhere,NE winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...N winds 10 to 20 kt. Seas 6 to 9 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...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 5 to 7 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, shifting to N after midnight. Seas 5 to 7 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...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 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .SAT...E winds 10 to 15 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...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 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 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 10 to 20 kt. Seas 8 to 11 ft. .MON...E winds 15 to 25 kt. Seas 8 to 11 ft. .MON 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 .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .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 6 to 9 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 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 10 to 20 kt. Seas 8 to 11 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A large and very intense low pres system currently located just E of Virginia possesses an expansive area of gale force winds that extends southward to N of 29N between 65W and 77W. The low will deepen further and continue generating large NW swell. A trailing cold front extending SSW from 31N67W to the Windward Passage will stall from near 51N55W to Hispaniola by Sat morning. ATLC waters from 27N to 31N W of 77W .TODAY...W winds 20 to 25 kt. Seas 9 to 14 ft. .TONIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...NW winds 10 to 20 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 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt, shifting to NE 15 to 25 kt after midnight. Seas 5 to 7 ft. .SUN...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON...SE winds 15 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 7 to 10 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING TODAY... .TODAY...W winds 25 to 35 kt, diminishing to 20 to 25 kt in the afternoon. Elsewhere, W winds 20 to 30 kt. Seas 14 to 19 ft W of 70W, and 12 to 17 ft elsewhere. .TONIGHT...W winds 15 to 25 kt. Seas 12 to 17 ft. .FRI...NW winds 10 to 20 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 9 to 14 ft W of 70W, and 12 to 17 ft elsewhere. .FRI NIGHT...NW winds 10 to 15 kt. Seas 8 to 11 ft W of 70W, and 9 to 14 ft elsewhere. .SAT...N winds 10 to 15 kt. Seas 7 to 10 ft. .SAT NIGHT...N winds 10 to 20 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 11 ft. .MON...E winds 15 to 25 kt. Seas 8 to 11 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft. Bahamas N of 22N .TODAY...NW winds 15 to 25 kt. Seas 5 to 7 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 15 to 25 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft. .SUN...NE winds 15 to 25 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NW winds 15 to 25 kt W of 70W, and SW 10 to 20 kt elsewhere. Seas 8 to 11 ft. .TONIGHT...NW winds 10 to 15 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 8 to 11 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 15 to 25 kt. Seas 8 to 12 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 9 to 12 ft. .MON...E winds 15 to 25 kt. Seas 9 to 12 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 8 to 10 ft. ATLC waters S of 22N W of 65W .TODAY...SW winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SUN...E winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 10 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. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...SE winds 10 to 15 kt. Seas 7 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 8 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 9 to 10 ft. .SAT NIGHT...SE winds 15 to 20 kt. Seas 9 to 11 ft. .SUN...E winds 15 to 20 kt. Seas 9 to 11 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 9 to 10 ft. .MON...E winds 15 to 20 kt. Seas 9 to 11 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 9 to 10 ft.