000 FZNT31 KNHC 212123 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 523 PM EDT Wed Mar 21 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...High pressure ridge over the western Atlc will support fresh to locally strong trades across the south central Caribbean the next several days. Winds will reach near gale force along the NW coast of Colombia during the overnight hours. Undersea volcano Kick em Jenny, north of Grenada near 12.18N 61.38W, is in a state of unrest. The government of Grenada advises mariners to observe a 5 km or 3.1 nm exclusion zone around Kick em Jenny. Please see www.nadma.gd for additional information. NW Caribbean W of 85W .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE 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 15 kt. Seas 5 to 7 ft. .SAT...E 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 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...S of 18N, E winds 10 to 15 kt,Seas 3 to 5 ft. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight,Seas 2 ft or less, building to 3 ft after midnight. .THU...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...NE 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 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 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. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 8 to 11 ft within 90 nm of coast of Colombia, and 6 to 8 ft elsewhere. .THU...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .THU NIGHT...NE winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .FRI...NE winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NE winds 10 to 20 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 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 10 to 20 kt. Seas 5 to 7 ft. .THU...N winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...N winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 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 6 to 9 ft. .MON...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .FRI...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .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 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE 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 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds less than 10 kt. Seas 5 to 7 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 9 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E 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 15 kt. Seas 5 to 7 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. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS Corrected synopsis ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TONIGHT...N of 28N E of 78W, NW winds 30 to 40 kt diminishing to 25 to 30 kt. Seas 11 to 15 ft. Elsewhere, W to NW winds 20 to 30 kt. Seas 7 to 11 ft. .THU...NW winds 20 to 30 kt, diminishing to 15 to 20 kt in the afternoon. Seas 7 to 10 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NW winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...N winds less than 10 kt, shifting to SW in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...SW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...W winds 10 to 20 kt, shifting to N after midnight. Seas 4 to 6 ft. .MON...E winds 15 to 25 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .TONIGHT....TONIGHT...W winds 25 to 35 kt N of 28N, and W to NW 20 to 25 kt elsewhere. Seas 13 to 17 ft in W to NW swell. .THU...W winds 15 to 25 kt. Seas 9 to 14 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 8 to 12 ft. .FRI...NW winds 10 to 15 kt. Seas 7 to 10 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...W winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .MON...N winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 15 to 20 kt. Seas 8 to 13 ft. Bahamas N of 22N .TONIGHT...NW winds 10 to 20 kt. Seas 3 to 4 ft. .THU...N winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .THU...W winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...W of 70W, N winds 10 to 15 kt. Elsewhere, W winds less than 10 kt, shifting to N after midnight. Seas 6 to 8 ft. .FRI...N winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 6 to 7 ft. .SAT...N winds 10 to 15 kt. Seas 6 to 7 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .SUN NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .MON...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...SE winds 10 to 15 kt. Seas 6 to 7 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 7 ft. .SAT...SE winds less than 10 kt. Seas 6 to 7 ft. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .MON...E winds less than 10 kt. Seas 6 to 7 ft. .MON NIGHT...NE winds less than 10 kt. Seas 6 to 7 ft.