000 FZNT31 KNHC 120816 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 416 AM EDT Mon Mar 12 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...Fresh to strong trades will continue across the waters east of 80W, except for near gale force winds just to the north of the A-B-C islands through Tue night. A cold front will enter the NW Caribbean Mon night, reach from central Cuba to the Gulf of Honduras Tue, stall from Hispaniola to Nicaragua Tue night, and dissipate by Thu. High pres will build SE from the Gulf of Mexico to over the NW Caribbean beginning on Thu night. NW Caribbean W of 85W .TODAY...SE winds 10 to 15 kt, shifting to S in the afternoon. Seas 3 to 5 ft. .TONIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .TUE...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 15 to 25 kt S of 18N, and S 10 to 15 kt elsewhere. Seas 7 to 10 ft S of 18N, and 5 to 7 ft elsewhere. .TONIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, S winds less than 10 kt, shifting to N after midnight. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .TUE...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 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 .TODAY...E winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 6 to 8 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 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 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TODAY...N winds less than 10 kt. Seas 5 to 7 ft. .TONIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .TUE...N winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .WED...N winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU...N winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...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 5 to 7 ft. Caribbean between 64W and 72W .TODAY...E winds 15 to 25 kt. Seas 6 to 8 ft Gulf of Venezuela, and 8 to 11 ft elsewhere. .TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft Gulf of Venezuela, and 7 to 10 ft elsewhere. .TUE...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .TUE NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .WED...E winds 15 to 25 kt. Seas 6 to 9 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 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 20 kt. Seas 5 to 7 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 9 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .FRI...E winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...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 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front entering the waters off NE Florida this afternoon will be preceded and followed by near gale to gale force winds N of 28N through Tue morning. The front will reach from 30N65W to E Cuba Tue, stalling from 26N65W to E Cuba through Tue night. A second cold front will cross waters N of 26N Wed night and Thu, merging with the first front on Thu. High pres will build from the NW behind the second front. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TODAY...SW to W winds 20 to 25 kt, becoming W 30 to 40 kt in the afternoon. Seas 5 to 8 ft, building to 8 to 12 ft in W swell in the afternoon. Scattered showers and isolated thunderstorms. .TONIGHT...NW winds 25 to 35 kt. Seas 12 to 14 ft in NW swell. .TUE...NW winds 15 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 8 to 13 ft, subsiding to 7 to 10 ft in the afternoon. .TUE NIGHT...NW winds less than 10 kt. Seas 6 to 8 ft. .WED...NW winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NW winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .TODAY...SW winds 20 to 25 kt. Seas 6 to 10 ft. .TONIGHT...W winds 30 to 40 kt N of 28N, and W 20 to 30 kt elsewhere. Seas 12 to 14 ft, building to 14 to 18 ft early in the morning. .TUE...W to NW winds 25 to 35 kt, shifting to NW 20 to 25 kt in the late morning and afternoon. Seas 13 to 17 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 9 to 14 ft. .WED...NW winds less than 10 kt, shifting to W in the afternoon. Seas 8 to 13 ft. .WED NIGHT...W winds 10 to 20 kt. Seas 8 to 12 ft. .THU...NW winds 10 to 20 kt. Seas 8 to 12 ft. .THU NIGHT...NW winds 10 to 15 kt. Seas 7 to 10 ft. .FRI...NW winds 10 to 15 kt. Seas 7 to 10 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 6 to 9 ft. Bahamas N of 22N .TODAY...SW winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...W winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .WED...N winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...S winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...W winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...W of 70W, N winds less than 10 kt. Elsewhere, W winds 10 to 15 kt, shifting to SW after midnight. Seas 7 to 10 ft. .WED...NE winds less than 10 kt, shifting to SE in the afternoon. Seas 6 to 9 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 7 to 10 ft. .THU...N winds 10 to 15 kt. Seas 7 to 9 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...N 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 .TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .WED...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 15 kt. Seas 7 to 8 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .TUE...SE winds 10 to 15 kt. Seas 6 to 7 ft. .TUE NIGHT...SE winds 10 kt. Seas 6 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 6 to 7 ft. .WED NIGHT...SE winds 10 kt. Seas 6 to 7 ft. .THU...SE winds 10 kt. Seas 6 to 8 ft. .THU NIGHT...SE winds less than 10 kt. Seas 6 to 8 ft. .FRI...SE winds less than 10 kt. Seas 6 to 7 ft. .FRI NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 6 to 7 ft.