000 FZNT31 KNHC 011410 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1010 AM EDT Wed Nov 1 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 broad trough from Haiti to the N coast of Honduras will drift W and gradually dissipate over the next couple of days while enhancing convection. Moderate to fresh NE winds are forecast to continue through and downstream of the Windward Passage and lee of the E coast of Cuba through tonight. The pressure gradient will continue to tighten with moderate to fresh NE flow expected across the NW Caribbean on Thu evening through Sat morning before the gradient relaxes supporting moderate NE flow through the middle of next week. Fresh nocturnal trades forecast along the NW coast of Colombia tonight and on Thu night. Gentle to moderate trades expected elsewhere. NW Caribbean W of 85W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds less than 10 kt S of 18N, and NE 10 to 20 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...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. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU NIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 ft. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .TONIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .THU...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 to 5 ft. .THU NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .FRI...N winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .SAT...NW winds less than 10 kt. Seas 3 ft. .SAT NIGHT...W winds less than 10 kt. Seas 3 ft. .SUN...W winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...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...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .SAT...E winds less than 10 kt. Seas 3 ft. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .FRI...E winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 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. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...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 10 to 15 kt. Seas 3 to 5 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A frontal trough extending from 31N65W to the Dominican Republic Haiti will drift W reaching positions along 71W on Thu, along 73W on Fri and along 74W on Sat, then lose identity between 75W and 77W on Sun and Mon. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...E winds 10 kt. Seas 3 ft. .TONIGHT...E winds 10 kt. Seas 3 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .SAT...E winds 10 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 kt. Seas 4 to 5 ft. .SUN...E winds 10 kt. Seas 4 ft. .SUN NIGHT...E winds 10 kt. Seas 4 ft. Bahamas N of 22N .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 ft. .SUN...NE winds less than 10 kt. Seas 3 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...E winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT...E winds 10 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 kt. Seas 4 ft. .SUN...E winds 10 kt. Seas 4 ft. .SUN NIGHT...E winds 10 kt. Seas 4 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 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 kt. Seas 4 to 5 ft. .THU...E winds 10 kt. Seas 5 to 6 ft. .THU NIGHT...NE winds 10 kt. Seas 5 to 6 ft. .FRI...E winds less than 10 kt. Seas 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 5 ft. .SAT...E winds less than 10 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .SUN...E winds 10 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 kt. Seas 4 ft.