000 FZNT31 KNHC 231445 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1045 AM EDT Fri Mar 23 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 .THIS AFTERNOON...NE winds 15 to 20 kt. Seas 5 to 8 ft. .TONIGHT...NE to E winds 15 to 20 kt. Seas 4 to 7 ft. .SAT...NE to E winds 10 to 15 kt. Seas 3 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 3 to 6 ft. .MON...E winds 15 to 20 kt. Seas 3 to 6 ft. .MON NIGHT...E winds 20 to 25 kt. Seas 4 to 7 ft. .TUE...E winds 20 to 25 kt. Seas 3 to 6 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 3 to 6 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...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...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 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 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... .THIS AFTERNOON...NE to E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 15 to 20 kt elsewhere. Seas 8 to 10 ft. .TONIGHT...NE winds 20 to 25 kt, except 25 to 35 kt within 90 nm of Coast of Colombia. Seas 8 to 12 ft. .SAT...NE to E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE to E 20 to 25 kt elsewhere. Seas 10 to 12 ft. .SAT NIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE to E 20 to 25 kt elsewhere. Seas 9 to 11 ft. .SUN...NE to E winds 20 to 25 kt. Seas 8 to 10 ft. .SUN NIGHT...NE to E winds 20 to 25 kt, except 25 to 35 kt within 90 nm of Coast of Colombia. Seas 8 to 10 ft. .MON...NE to E winds 20 to 25 kt. Seas 8 to 10 ft. .MON NIGHT...NE to E winds 20 to 25 kt, except 25 to 35 kt within 90 nm of Coast of Colombia. Seas 8 to 10 ft. .TUE...NE to E winds 20 to 25 kt. Seas 8 to 10 ft. .TUE NIGHT...NE to E winds 20 to 25 kt, except 25 to 35 kt within 90 nm of Coast of Colombia. Seas 8 to 10 ft. SW Caribbean S of 11N .THIS AFTERNOON...N to NE winds 20 to 25 kt. Seas 9 to 11 ft. .TONIGHT...N to NE winds 20 to 25 kt. Seas 9 to 11 ft. .SAT...NE winds 20 to 25 kt. Seas 10 to 12 ft. .SAT NIGHT...NE winds 20 to 25 kt. Seas 9 to 11 ft. .SUN...NE winds 15 to 20 kt. Seas 8 to 10 ft. .SUN NIGHT...NE winds 20 to 25 kt. Seas 6 to 10 ft. .MON...NE winds 15 to 20 kt. Seas 6 to 10 ft. .MON NIGHT...NE winds 20 to 25 kt. Seas 6 to 10 ft. .TUE...NE winds 20 to 25 kt. Seas 6 to 10 ft. .TUE NIGHT...NE winds 20 to 25 kt. Seas 6 to 10 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .SAT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 5 ft. .SAT NIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .SUN...E winds 10 to 15 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 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...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. .TUE...E winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...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. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front extending from 26N65W to the north coast of Haiti will gradually stall across the far SE waters this weekend. A reinforcing cold front will drop S of 31N Fri night, with high pressure building in its wake. Another cold front may drop S of 31N Sun through early next week with high pres building down from the Carolinas in its wake. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NW to N winds 10 to 15 kt. Seas 4 to 7 ft. .TONIGHT...N to NE winds 5 to 10 kt N of 29N W of 79W, and N 10 to 15 kt elsewhere. Seas 4 to 7 ft. .SAT...NE winds 10 to 15 kt, shifting to SE to S in the afternoon. Seas 4 to 7 ft. .SAT NIGHT...S to SW winds 20 to 25 kt. Seas 4 to 7 ft, building to 6 to 10 ft early in the morning. .SUN...SW to W winds 20 to 25 kt. Seas 4 to 7 ft. .SUN NIGHT...NW winds 15 to 20 kt, shifting to NE to E 20 to 25 kt late. Seas 4 to 7 ft. .MON...NE to E winds 20 to 25 kt. Seas 5 to 8 ft. .MON NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 10 ft. .TUE...NE to E winds 15 to 20 kt. Seas 8 to 10 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .THIS AFTERNOON...NW winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...N winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 6 to 8 ft W of 70W, and 8 to 11 ft elsewhere. .SAT NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft W of 70W, and 8 to 11 ft elsewhere. .SUN...SW 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 11 ft, building to 9 to 14 ft after midnight. .TUE...N winds 15 to 20 kt. Seas 9 to 14 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 10 to 15 ft. Bahamas N of 22N .THIS AFTERNOON...N winds 10 to 15 kt. Seas 3 to 6 ft. .TONIGHT...N to NE winds 15 to 20 kt. Seas 4 to 7 ft. .SAT...NE to E winds 15 to 20 kt. Seas 4 to 7 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 3 to 6 ft. .SUN...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .MON...NE to E winds 10 to 15 kt. Seas 2 to 4 ft, subsiding to 1 to 3 ft in the afternoon. .MON NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 6 ft. .TUE...NE to E winds 15 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...W of 70W, N winds 10 to 15 kt. Elsewhere, NW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 6 to 8 ft. .TONIGHT...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 5 to 7 ft. .SUN...E winds less than 10 kt. Seas 5 to 7 ft. .SUN NIGHT...NE 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...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 8 to 12 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds less than 10 kt, shifting to NE in the afternoon. Seas 4 to 6 ft. .TONIGHT...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. .TUE...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 6 to 7 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 7 ft. .SAT...SE winds less than 10 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds less than 10 kt. Seas 6 to 7 ft. .SUN...E winds 10 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 kt. Seas 6 to 7 ft. .MON...E winds less than 10 kt. Seas 6 to 7 ft. .MON NIGHT...E winds less than 10 kt. Seas 6 to 7 ft. .TUE...E winds less than 10 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 6 to 9 ft.