000 FZNT31 KNHC 010221 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1021 PM EDT Sat Sep 30 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...A tropical wave will continue W through the Central Caribbean this weekend and through the Western Caribbean on mon and Tue. NW Caribbean W of 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 20 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 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 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 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 3 to 5 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN...SE winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...Within 90 nm of coast of Colombia, NE winds less than 10 kt, shifting to E after midnight. Elsewhere, SE winds less than 10 kt. Seas 3 to 4 ft. .MON...Within 90 nm of coast of Colombia, E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, SE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 15 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 4 to 6 ft. SW Caribbean S of 11N .OVERNIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 3 ft. .SUN...S winds less than 10 kt. Seas 3 ft. .SUN NIGHT...S winds less than 10 kt. Seas 3 ft. .MON...SW winds less than 10 kt. Seas 3 ft. .MON NIGHT...S winds less than 10 kt. Seas 2 ft or less. .TUE...SW 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. Seas 2 ft or less. .WED NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .THU...S winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 5 ft elsewhere. .SUN...SE winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .SUN NIGHT...E winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED...E winds 10 to 15 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...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 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 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 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...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 4 to 6 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. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A 1014 mb surface low at 31N73W will move to near 31N71W early Sun, and near 29N68W late Sun while dragging a cold front S with the front stalling from 27N71W to 28N80W by early Mon. Gusting winds to gale force expected N of 29N W of 78W through Sun evening as high strengthens N of the front. Strong NE winds and building seas will reach along 26N on Mon night through Tue night before the pressure gradient begins to relax. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .OVERNIGHT...NE to E winds 15 to 25 kt except 25 to 35 kt far NW waters. Seas 7 to 11 ft. .SUN...NE to E winds 15 to 25 kt except 25 to 35 kt far NW waters. Seas 7 to 10 ft except 10 to 15 kt in gale area. .SUN NIGHT...E winds 15 to 25 kt except 25 to 35 kt far NW waters early. Seas 8 to 13 ft. .MON...E winds 15 to 25 kt. Seas 8 to 9 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .TUE...E winds 15 to 25 kt. Seas 9 to 11 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 10 to 12 ft. .WED...E winds 15 to 25 kt. Seas 10 to 12 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 9 to 11 ft. .THU...E winds 15 to 25 kt. Seas 9 to 11 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .OVERNIGHT...S winds less than 10 kt. Seas 4 to 6 ft. .SUN...N winds 10 to 20 kt W of 70W, and SW less than 10 kt elsewhere. Seas 6 to 9 ft W of 70W, and 5 to 6 ft elsewhere. .SUN NIGHT...W of 70W, NE winds 10 to 20 kt. Elsewhere, SW winds less than 10 kt, shifting to SE after midnight. Seas 6 to 9 ft. .MON...NE winds 15 to 25 kt W of 70W, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .TUE...E winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED...E winds 15 to 25 kt. Seas 8 to 12 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 9 to 12 ft. .THU...E winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 8 to 10 ft. Bahamas N of 22N .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...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. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 4 to 6 ft. .THU NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft. .THU...SE winds 10 to 15 kt. Seas 7 to 9 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 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 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. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...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 6 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...SE winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. .THU...E winds 10 to 15 kt. Seas 7 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft.