000 FZNT31 KNHC 052058 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 358 PM EST Tue Dec 5 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...Fresh to strong trade winds will continue in the central Caribbean through Thu then diminish Fri. Large northerly swell will begin affecting the Lesser Antilles on Thu. A strong cold front will reach the NW Caribbean Fri night and extend from eastern Cuba to the eastern tip of Honduras by late Sat. NW Caribbean W of 85W ...GALE CONDITIONS POSSIBLE... .TONIGHT...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 3 to 5 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .FRI...Variable winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT....SW winds 5 to 10 kt, becoming NW 25 to 35 kt late. Seas 3 to 5 ft, building to 7 to 10 ft late. .SAT...NW to N winds 25 to 35 kt. Seas 9 to 14 ft in E to SE swell. .SAT NIGHT...N winds 20 to 25 kt. Seas 8 to 11 ft in E to SE swell. .SUN...N winds 15 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds 15 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W ...GALE CONDITIONS POSSIBLE... .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .WED...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere. .WED NIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt elsewhere. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .THU...E winds 10 to 20 kt S of 18N, and E less than 10 kt elsewhere. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...S to SW winds 25 to 35 kt, shifting to NW to N in the afternoon. Seas 7 to 10 ft. .SAT NIGHT...N winds 20 to 25 kt. Seas 6 to 9 ft. .SUN...N winds 20 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...N to NE winds 20 to 25 kt. Seas 6 to 8 ft. Caribbean from 11N to 15N W of 72W ...GALE CONDITIONS POSSIBLE... .TONIGHT...E winds 25 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. .WED...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED NIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...N to NE winds 5 to 10 kt, becoming NW to N 15 to 20 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...N winds 25 to 35 kt. Seas 6 to 8 ft. .SUN...N winds 20 to 30 kt. Seas 7 to 10 ft in NE swell. .SUN NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft in N to NE swell. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...SE winds 10 to 15 kt, shifting to W in the afternoon. Seas 7 to 10 ft. .WED NIGHT...N winds less than 10 kt, shifting to SE after midnight. Seas 6 to 8 ft. .THU...W winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...NW winds less than 10 kt, shifting to SW after midnight. Seas 4 to 6 ft. .FRI...SW winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. .SAT...W winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...N winds 15 to 25 kt. Seas 6 to 8 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. Caribbean between 64W and 72W .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .WED...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .WED NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 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 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 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...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...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 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...Building high pressure across the area will support fresh to strong trades over the Bahamas and north of the Greater Antilles through Wednesday. A cold front will move off northeast Florida late Wed, then stall from 31N75W to SE Florida late Thu and Fri. The front will strengthen and move SE to extends from 31N71W to the SE Bahamas by late Sat. ATLC waters from 27N to 31N W of 77W .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .WED...S winds 10 to 15 kt. Seas 5 to 6 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 5 to 6 ft. .THU...W winds 10 to 15 kt, shifting to N in the afternoon. Seas 5 to 6 ft. .THU NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 5 to 7 ft. .FRI...W winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...W winds 15 to 25 kt. Seas 6 to 8 ft. .SAT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...NW winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...NW winds 15 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TONIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .WED...SE winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. .THU...S winds 10 to 15 kt. Seas 6 to 7 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 6 to 7 ft. .FRI...S winds 10 to 20 kt. Seas 6 to 7 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...S winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...NW winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. Bahamas N of 22N .TONIGHT...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...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SW winds 10 to 15 kt, shifting to W 15 to 25 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...N winds 15 to 25 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .WED...E winds 10 to 20 kt. Seas 7 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. .THU...SE winds 10 to 15 kt. Seas 7 to 8 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. .FRI...SE winds 10 to 20 kt. Seas 7 to 8 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 7 to 9 ft. .SAT...SE winds 10 to 20 kt. Seas 7 to 8 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .SUN...S winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters S of 22N W of 65W .TONIGHT...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 9 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt, shifting to NE 15 to 25 kt after midnight. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED...NE winds 15 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 9 to 10 ft. .THU...E winds 10 to 20 kt. Seas 9 to 10 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 9 to 10 ft. .FRI...E winds 15 to 20 kt. Seas 9 to 10 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 9 to 10 ft. .SAT...E winds 15 to 20 kt. Seas 8 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft.