000 FZNT31 KNHC 021523 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1123 AM EDT Mon Oct 2 2017 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...Broad troughing over the far NW Caribbean will shift W across the Yucatan through tonight then re-establish Tue night through Thu as a tropical wave currently across the W central Caribbean moves through the W Caribbean. Strong thunderstorms will continue to accompany this tropical wave. The next tropical wave will move into the Tropical N Atlantic by early Tue reaching the E Caribbean on Wed, then the central Caribbean by the end of the week. 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 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 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...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...S winds 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 10 to 15 kt within 90 nm of coast of Colombia, and SE less than 10 kt elsewhere. Seas 3 to 4 ft. .TONIGHT...Within 90 nm of coast of Colombia, E winds 10 to 15 kt. Elsewhere, SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...S winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SW winds 10 to 15 kt, shifting to S in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .THIS AFTERNOON...SW winds less than 10 kt. Seas 3 ft. .TONIGHT...SW winds less than 10 kt. Seas 2 ft or less. .TUE...SW winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt, becoming W less than 10 kt in the afternoon. Seas 2 ft or less, building to 3 ft in the afternoon. .WED NIGHT...SW winds less than 10 kt. Seas 3 ft. .THU...S winds 10 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 4 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .WED...E winds 10 to 20 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 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 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI 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 .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...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 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 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI 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 from 30N62W to 1014 mb low pres near 27N73W continues as stationary front to SE Florida near 26.5N80W. The low will dissipate and shift W while the front gradually becomes more E to W aligned and becomes diffuse along 27N through Wed. Strong high pres in the wake of the front will support strong NE winds and building seas through mid-week, gradually diminishing by the end of the week as the pres gradient weakens. A surface trough across Haiti extending NNE across the Turks and Caicos area will shift WNW and through the Straits of Florida through Wed. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...E winds 15 to 25 kt. Seas 8 to 9 ft. .TONIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. .TUE...E winds 15 to 25 kt. Seas 9 to 12 ft. .TUE NIGHT...E winds 20 to 30 kt. Seas 10 to 13 ft. .WED...E winds 15 to 25 kt. Seas 10 to 13 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 9 to 12 ft. .THU...E winds 15 to 25 kt. Seas 9 to 11 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...E winds 15 to 25 kt. Seas 8 to 10 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .THIS AFTERNOON...NE winds 15 to 25 kt W of 70W, and NE 10 to 20 kt elsewhere. Seas 8 to 11 ft W of 70W, and 6 to 8 ft elsewhere. .TONIGHT...E winds 15 to 25 kt W of 70W, and NE 10 to 20 kt elsewhere. Seas 8 to 11 ft W of 70W, and 6 to 9 ft elsewhere. .TUE...NE winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 9 to 12 ft. .WED...E winds 20 to 25 kt. Seas 9 to 12 ft. .WED NIGHT...E winds 20 to 25 kt. Seas 10 to 12 ft. .THU...E winds 15 to 25 kt. Seas 10 to 11 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 9 to 11 ft. .FRI...SE winds 10 to 20 kt. Seas 8 to 10 ft. .FRI NIGHT...SE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 7 to 9 ft. Bahamas N of 22N .THIS AFTERNOON...NE winds 10 to 20 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 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. 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. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...E winds 10 to 15 kt. Seas 6 to 9 ft W of 70W, and 5 to 6 ft elsewhere. .TONIGHT...E winds 10 to 20 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 6 to 9 ft W of 70W, and 5 to 7 ft elsewhere. .TUE...E winds 15 to 25 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 6 to 9 ft. .TUE NIGHT...E winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 7 to 10 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 20 kt. Seas 7 to 10 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 8 to 10 ft. .FRI...SE winds 10 kt. Seas 8 to 9 ft. .FRI NIGHT...S winds less than 10 kt. Seas 7 to 8 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 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 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...SE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...SE 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 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...SE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. .THU...SE winds 10 to 15 kt. Seas 7 to 8 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 7 to 9 ft. .FRI...E winds 10 to 15 kt. Seas 7 to 9 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft.