000 FZNT31 KNHC 040902 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 402 AM EST Sun Mar 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...Low pressure over the NW Atlc has generated a large and dangerous N swell that will penetrate the NE Caribbean Passages through late Wed, reaching the A-B-C Islands and coastal Venezuela. A cold front has moved into the northern Caribbean. The front will weaken and dissipate by Mon. Fresh to strong winds will develop over the Central Caribbean midweek. NW Caribbean W of 85W .TODAY...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 ft. .THU...NE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...N winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...N winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TODAY...N winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .MON...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU...N winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TODAY...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere, Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and N less than 10 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .MON...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere, NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less Gulf of Venezuela, and 5 to 7 ft elsewhere. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 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 6 to 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...SW winds 10 to 20 kt. Seas 5 to 7 ft, building to 7 to 10 ft in the afternoon. .TONIGHT...W winds 10 to 15 kt. Seas 8 to 13 ft. .MON...W winds 10 to 15 kt, shifting to NW in the afternoon. Seas 9 to 14 ft. .MON NIGHT...N winds less than 10 kt. Seas 8 to 13 ft. .TUE...N winds less than 10 kt. Seas 8 to 11 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. .WED...NE winds 10 to 15 kt. Seas 8 to 11 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 7 to 10 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 7 to 10 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 7 to 10 ft. .TUE...E winds 10 to 15 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 7 to 10 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front extends from 20N65W to Hispaniola. Strong to gale force winds prevail N of the front. The front will shift SE of the area today. Gale force winds will shift E of the area Mon. The largest swell event thus far this winter is propagating across the forecast waters, and will affect all the waters E of Florida and the Bahamas through midweek. Another cold front may impact the waters E of Florida Tue night and Wed, then shift E of the area by Thu. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 20 to 25 kt. Seas 14 to 19 ft. .TONIGHT...N winds 10 to 20 kt. Seas 14 to 19 ft. .MON...N winds 10 to 15 kt. Seas 13 to 17 ft. .MON NIGHT...N winds 10 kt in the evening, becoming variable winds less than 10 kt. Seas 11 to 15 ft. .TUE...S winds less than 10 kt, increasing to 10 to 20 kt in the afternoon. Seas 10 to 13 ft. .TUE NIGHT...SW winds 20 to 30 kt. Seas 10 to 14 ft. .WED...W winds 15 to 25 kt. Seas 10 to 14 ft. .WED NIGHT...NW winds 15 to 25 kt. Seas 8 to 12 ft. .THU...NW winds 10 to 15 kt, shifting to W 20 kt in the afternoon. Seas 7 to 9 ft. .THU NIGHT...NW winds 20 to 25 kt. Seas 8 to 11 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .TODAY...E of 70W NW winds 25 to 35 kt. Seas 23 to 33 ft. W of 70W NW winds 20 to 30 kt. Seas 18 to 27 ft W of 70W. .TONIGHT...E of 70W NW winds 25 to 35 kt. Seas 20 to 30 ft. W of 70W N winds 20 to 30 kt W of 70W. Seas 18 to 24 ft. .MON...NW winds 15 to 25 kt W of 70W, and NW 25 to 35 kt elsewhere. Seas 16 to 21 ft W of 70W, and 20 to 25 ft elsewhere. .MON NIGHT...NW winds 15 to 25 kt W of 70W, and NW 25 to 35 kt elsewhere. Seas 15 to 20 ft W of 70W, and 18 to 25 ft elsewhere. .TUE...NW winds 15 to 25 kt. Seas 15 to 20 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 12 to 17 ft. .WED...SW winds 15 to 25 kt. Seas 12 to 14 ft. .WED NIGHT...W winds 15 to 25 kt. Seas 10 to 14 ft. .THU...W winds 10 to 15 kt. Seas 9 to 12 ft. .THU NIGHT...W winds 15 to 25 kt. Seas 9 to 11 ft. Bahamas N of 22N .TODAY...N winds 10 to 20 kt. Seas 8 to 11 ft. .TONIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft. .MON...N winds 10 to 15 kt. Seas 8 to 11 ft. .MON NIGHT...NE winds less than 10 kt. Seas 7 to 10 ft. .TUE...SE winds less than 10 kt. Seas 6 to 9 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 6 to 8 ft. .WED...S winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. .THU...NW winds less than 10 kt, shifting to W in the afternoon. Seas 4 to 6 ft. .THU NIGHT...NW winds 10 to 20 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 NW 20 to 30 kt elsewhere. Seas 16 to 24 ft. .TONIGHT...N winds 15 to 25 kt W of 70W, and NW 20 to 25 kt elsewhere. Seas 18 to 23 ft. .MON...N winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 16 to 20 ft. .MON NIGHT...N winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 14 to 17 ft W of 70W, and 15 to 20 ft elsewhere. .TUE...N winds 10 to 20 kt. Seas 13 to 18 ft. .TUE NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 12 to 15 ft. .WED...S winds less than 10 kt, shifting to SW in the afternoon. Seas 11 to 13 ft. .WED NIGHT...SW winds 10 to 20 kt. Seas 9 to 11 ft. .THU...SW winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft. ATLC waters S of 22N W of 65W .TODAY...NW winds 10 to 20 kt. Seas 9 to 14 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 10 to 15 ft. .MON...N winds 10 to 20 kt. Seas 10 to 15 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 8 to 13 ft. .TUE...NE winds less than 10 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds less than 10 kt. Seas 7 to 10 ft. .WED...SE winds less than 10 kt. Seas 7 to 10 ft. .WED NIGHT...SE winds less than 10 kt. Seas 6 to 9 ft. .THU...S winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...W winds 15 to 25 kt. Seas 10 to 15 ft, building to 13 to 18 ft in the afternoon. .TONIGHT...W winds 15 to 25 kt. Seas 15 to 19 ft. .MON...W winds 10 to 20 kt. Seas 14 to 18 ft. .MON NIGHT...W winds 10 to 15 kt. Seas 12 to 15 ft. .TUE...NW winds 10 to 15 kt. Seas 11 to 14 ft. .TUE NIGHT...NW winds 10 kt. Seas 11 to 14 ft. .WED...N winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 11 to 13 ft. .WED NIGHT...E winds less than 10 kt. Seas 9 to 11 ft. .THU...E winds 10 kt. Seas 9 to 10 ft. .THU NIGHT...SE winds 10 kt. Seas 7 to 9 ft.