000 FZNT31 KNHC 261520 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1120 AM EDT Mon Mar 26 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 over the western Atlantic will support fresh to locally strong trades across the south central Caribbean the next several days. Winds will pulse to minimal gale force along the NW coast of Colombia during the overnight hours through Thu. Strong E winds will pulse over the Gulf of Honduras each night Mon night through Thu night. Strong NE winds will pulse through the Windward Passage through Thu night. An extensive set of large N to NE swells will propagate into the NE Caribbean passages Wed through Thu night then subside. 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...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...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. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING WITHIN 90 NM OF THE COAST OF COLOMBIA... ...GALE CONDITIONS POSSIBLE WITHIN 90 NM OF COAST OF COLOMBIA TUE NIGHT, WED NIGHT AND THU NIGHT... .THIS AFTERNOON...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft. .TONIGHT...NE winds 20 to 35 kt within 90 nm of coast the of Colombia, and NE 10 to 20 kt elsewhere. Seas 8 to 10 ft, except 10 to 12 ft within 90 of coast. .TUE...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft. .TUE NIGHT...NE winds 20 to 35 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft, except 9 to 11 ft within 90 nm of the coast of Colombia. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...E winds 15 to 25 kt, except 25 to 35 kt within 90 nm of coast of Colombia. Seas 8 to 10 ft, except 10 to 13 ft within 90 nm of coast of Colombia. .THU...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 25 kt, except NE to E 25 to 35 kt within 90 nm of coast of Colombia. Seas 7 to 10 ft, except 10 to 13 ft within 90 nm of coast of Colombia. .FRI...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 8 to 10 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TUE...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TUE...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 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. .TUE...E winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds less than 10 kt. Seas 6 to 9 ft. .THU...E winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N 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. .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. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A backdoor cold front extending from 31N65W to 28N71W and to inland Florida near Melbourne will sweep southward across the remainder of the basin through Tue reaching the far southeastern waters Tue night as it weakens. The gradient between it and the front will result in strong NE to E winds over the area through early Tue, then become confined to the far southern waters from the rest of Tue through Wed by which time they will be diminishing as the high pres weakens as it slides eastward. Strong NE winds will pulse near the entrance of the Windward Passage through Fri. Large N to NE swells will impact mainly the waters NE and E of the Bahamas Tue through early on Thu. These swells will propagate into the NE Caribbean passages Wed through Thu. The next cold front should approach the far northwest corner of the area on Fri. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 8 to 9 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 8 to 10 ft. .WED...SE winds 10 to 15 kt. Seas 8 to 11 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 10 to 11 ft. .THU...S winds 10 to 15 kt. Seas 8 to 11 ft. .THU NIGHT...S winds 10 to 20 kt. Seas 7 to 9 ft. .FRI...S winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SW winds 10 to 15 kt, shifting to SE after midnight. Seas 4 to 6 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .THIS AFTERNOON...N winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...NE winds 15 to 20 kt. W of 70W, seas 8 to 11 ft. Elsewhere, seas 8 to 11 ft, building to 10 to 15 ft after midnight. .TUE...NE winds 15 to 20 kt W of 70W, and N 10 to 20 kt elsewhere. Seas 9 to 13 ft W of 70W, and 11 to 16 ft elsewhere. .TUE NIGHT...N winds 10 to 20 kt. Seas 10 to 15 ft W of 70W, and 12 to 17 ft elsewhere. .WED...N winds 10 to 15 kt. Seas 11 to 15 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 11 to 14 ft. .THU...N winds 10 to 15 kt, shifting to NE in the afternoon. Seas 8 to 11 ft. .THU NIGHT...NE winds less than 10 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. Bahamas N of 22N .THIS AFTERNOON...NE winds less than 10 kt. Seas 3 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...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 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...N winds 10 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NE winds 15 to 25 kt W of 70W, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 9 to 13 ft. .WED...NE winds 10 to 15 kt. Seas 11 to 13 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 10 to 12 ft. .THU...NE winds 10 to 15 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NE winds 15 to 25 kt. Seas 8 to 11 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 kt. Seas 6 to 7 ft. .TONIGHT...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 8 ft. .WED...NE winds 10 to 15 kt. Seas 8 to 11 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 9 to 12 ft. .THU...N winds 10 to 15 kt. Seas 8 to 10 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 7 to 9 ft. .FRI...N winds less than 10 kt. Seas 6 to 7 ft. .FRI NIGHT...N winds less than 10 kt. Seas 6 to 7 ft.