000 FZNT31 KNHC 151436 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1036 AM EDT Sun Apr 15 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 SE winds are ongoing over the northwest Caribbean ahead of a late season cold front moving across the eastern Gulf of Mexico today. Strong high pressure in the central Atlc ridging into the northern and eastern Caribbean continue to support fresh to strong E to NE winds along the coast of Colombia and the Gulf of Venezuela. The front will enter the NW Caribbean early on Mon followed by strong northerly winds, stall from central Cuba to Belize Tue night before dissipating through Wed. Fresh to strong trade winds will continue to pulse near the coast over the south central Caribbean through Thu. NW Caribbean W of 85W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds less than 10 kt, becoming N 10 to 20 kt after midnight. Seas 4 to 6 ft. .MON...N winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, SE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .MON...S of 18N, E winds 10 to 20 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .MON NIGHT...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 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .MON...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .MON NIGHT...NE winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE 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 15 to 25 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds less than 10 kt. Seas 5 to 7 ft. .TONIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 5 to 7 ft. .MON...NE winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .MON NIGHT...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TUE...E winds 10 to 15 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...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 .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. .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. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 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 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. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E 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 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...High pressure northeast of the area will support pulses of fresh to strong trade winds off Hispaniola through tonight. SE to S winds will increase to fresh to strong W of 75W today ahead of a cold front moving off the northeast Florida coast early this evening. Winds will increase to minimal gale force west and east of the front north of 30N tonight. Winds will diminish Mon afternoon as the front moves east and reaches from 30N73W to western Cuba. The front will extend from Bermuda to eastern Cuba Tue evening before lifting north to 25N and dissipate through Wed. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .THIS AFTERNOON...S winds 20 to 25 kt. Seas 6 to 10 ft. .TONIGHT...SW winds 25 to 35 kt. Seas 10 to 12 ft. .MON...W to NW winds 20 to 25 kt. Seas 9 to 11 ft. .MON NIGHT...W to NW winds 15 to 20 kt. Seas 6 to 10 ft. .TUE...NW winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .WED...W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .THU...SW winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .THIS AFTERNOON...SE to S winds 15 to 20 kt. Seas 5 to 8 ft. .TONIGHT...SE to S winds 25 to 35 kt N of 29N, and SE to S 20 to 25 kt elsewhere. Seas 8 to 10 ft. .MON...S to SW winds 20 to 30 kt. Seas 9 to 11 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft W of 70W, and 5 to 7 ft elsewhere. .TUE...W winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...W winds 10 to 20 kt. Seas 6 to 8 ft. .WED...NW winds 10 to 15 kt, shifting to W in the afternoon. Seas 6 to 8 ft. .WED NIGHT...S winds less than 10 kt. Seas 5 to 7 ft. .THU...S winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Bahamas N of 22N .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SW winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...N winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...NE winds less than 10 kt, shifting to E in the afternoon. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SE winds 15 to 20 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 6 to 8 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 6 to 7 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...S winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 5 to 6 ft. .WED...E winds less than 10 kt. Seas 5 to 6 ft. .WED NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 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 4 to 6 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 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 15 to 20 kt. Seas 7 to 8 ft. .TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. .MON...E winds 10 to 15 kt. Seas 6 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 5 to 7 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 15 to 20 kt. Seas 7 to 9 ft.