000 FZNT31 KNHC 110201 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1001 PM EDT Tue Oct 10 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 currently across the central Caribbean will move across the western Caribbean by Thursday. Winds and seas will slightly increase behind the wave axis. Trade winds will begin to increase across the south-central Caribbean on Friday as high pressure builds N of the area. NW Caribbean W of 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 3 ft. .THU...NE winds less than 10 kt. Seas 3 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 ft. .FRI...NE winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. Seas 2 ft or less. .SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SUN...E winds 10 kt. Seas 2 ft or less. .SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds less than 10 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 2 ft or less S of 18N, and 3 to 5 ft elsewhere. .WED...Variable winds less than 10 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 2 ft or less S of 18N, and 3 to 5 ft elsewhere. .WED NIGHT...E winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds less than 10 kt. Seas 2 ft or less. .FRI...E winds less than 10 kt. Seas 3 ft. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 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...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE winds 10 kt within 90 nm of coast of Colombia, and Variable less than 10 kt elsewhere. Seas 2 ft or less. .WED...Within 90 nm of coast of Colombia, E winds 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...NE winds 10 kt within 90 nm of coast of Colombia, and Variable less than 10 kt elsewhere. Seas 2 ft or less. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .OVERNIGHT...NE winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .THU...Variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .FRI...Variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...N winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...NW winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...Gulf of Venezuela, E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .WED NIGHT...E 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. .THU...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .THU NIGHT...E winds 10 to 15 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 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...SE winds 10 kt. Seas 3 to 5 ft. .WED...SE winds 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 kt. Seas 3 to 5 ft. .THU...E winds 10 kt. Seas 3 to 5 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. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 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 3 to 5 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. 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. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A broad surface trough N of Puerto Rico will move WNW across the forecast waters through Friday. This trough along with strong high pressure to the N will enhance the winds and seas E of the Bahamas through Thursday night and between the W Bahamas and Florida the remainder weekend. Expect scattered to numerous showers and thunderstorms with possible gusty winds and building seas with this trough. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...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...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 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 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. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .OVERNIGHT...E winds 10 to 20 kt. Seas 6 to 9 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 15 kt. Seas 6 to 8 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. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 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. Bahamas N of 22N .OVERNIGHT...NE 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...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 3 to 5 ft. .THU NIGHT...E winds 10 kt. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 ft. .SAT...E winds less than 10 kt. Seas 3 ft. .SAT NIGHT...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. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .THU...SE winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 4 to 6 ft. .FRI...E winds less than 10 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 4 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...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 6 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...SE winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 kt. Seas 3 to 5 ft. .THU...SE winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 kt. Seas 3 to 4 ft. .SAT...E winds 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...SE winds less than 10 kt. Seas 5 to 6 ft. .WED...S winds 10 kt. Seas 5 to 6 ft. .WED NIGHT...SE winds less than 10 kt. Seas 5 ft. .THU...Variable winds less than 10 kt. Seas 4 to 5 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 4 to 5 ft. .FRI...Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. Seas 4 to 5 ft. .FRI NIGHT...E winds 10 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft.