000 FZNT31 KNHC 221428 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 928 AM EST Wed Nov 22 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 trough will linger over the west-central Caribbean through Friday night. A cold front will enter the NW Caribbean on Thursday night, then stall and weaken on Friday. NW Caribbean W of 85W .TODAY...Variable winds less than 10 kt. Seas 3 ft. .TONIGHT...Variable winds less than 10 kt, becoming W less than 10 kt after midnight. Seas 2 ft or less. .THU...W winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...NW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .SAT...NW winds less than 10 kt. Seas 3 ft. .SAT NIGHT...N winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .SUN...N winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...S of 18N, E winds 10 to 15 kt. Seas 3 to 5 ft. Elsewhere, E winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt S of 18N, and NE less than 10 kt elsewhere. Seas 3 ft. .THU...NE winds 10 to 15 kt S of 18N, and SE less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .THU NIGHT...NE winds 10 to 15 kt S of 18N, and W less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 ft. .SAT...N winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...Within 90 nm of coast of Colombia, E winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...Within 90 nm of coast of Colombia, E winds 10 to 15 kt. Elsewhere, NE winds 10 to 15 kt. Seas 3 to 4 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 4 to 6 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 3 to 5 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TODAY...Variable winds less than 10 kt, becoming W less than 10 kt in the afternoon. Seas 2 to 3 ft. .TONIGHT...NW winds less than 10 kt. Seas 2 to 3 ft. .THU...NW winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...N winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .FRI...NW winds less than 10 kt. Seas 2 to 3 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .SAT...NW winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .SUN...N winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 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 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 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 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 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E 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 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 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 4 to 6 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front extending from 31N77W to inland Florida near Vero Beach will reach from near 31N72W to SE Florida by this evening and become diffuse as a 1012 mb low pressure near 27N72W intensifies as it quickly tracks northeastward to just N of the area near 32N64W 1000 mb by early on Thursday. Strong to near gale force winds are expected with southerly flow to the E and SE of the low. Another low pressure system, currently over the eastern Gulf of Mexico, will move across Florida into the SW N Atlantic by Friday evening. The associated cold front will move across the forecast area through Sunday night. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft. .THU...E winds 10 kt. Seas 5 to 7 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...SW winds less than 10 kt, shifting to S in the afternoon. Seas 5 to 6 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 5 to 6 ft. .SAT...W winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NW winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...W of 70W, SW winds 10 to 20 kt, becoming NW less than 10 kt in the afternoon. Elsewhere, SE winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...W of 70W, N winds less than 10 kt,Seas 6 to 9 ft. Elsewhere, S winds 15 to 25 kt, shifting to W 10 to 20 kt after midnight,Seas 9 to 14 ft, subsiding to 8 to 11 ft after midnight. .THU...NE winds less than 10 kt. Seas 6 to 9 ft. .THU NIGHT...SE winds less than 10 kt W of 70W, and Variable less than 10 kt elsewhere. Seas 5 to 7 ft. .FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SW winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...W winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 6 to 8 ft. Bahamas N of 22N .TODAY...N winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .THU...S winds less than 10 kt. Seas 3 ft. .THU NIGHT...S winds less than 10 kt. Seas 2 ft or less. .FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...W winds 10 to 15 kt. Seas 3 ft. .SAT NIGHT...NW winds less than 10 kt. Seas 3 ft. .SUN...NW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SW winds 10 to 15 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 8 to 11 ft. .TONIGHT...W of 70W, NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, S winds 10 to 15 kt. Seas 6 to 9 ft. .THU...Variable winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds less than 10 kt W of 70W, and Variable less than 10 kt elsewhere. Seas 5 to 6 ft. .FRI...SE winds less than 10 kt. Seas 4 to 5 ft. .FRI NIGHT...SE winds 10 kt. Seas 4 to 5 ft. .SAT...S winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...SW winds less than 10 kt. Seas 4 to 5 ft. .SUN...SW winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .THU...Variable winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...E winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN...S winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. .THU...E winds 10 to 15 kt. Seas 6 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 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 6 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...SE winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...SE winds 10 kt. Seas 5 to 6 ft.