000 FZNT31 KNHC 280348 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1048 PM EST Tue Feb 27 2018 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...High pressure north of the area will support moderate to fresh trade winds across the basin, with strong winds pulsing at night off Colombia through late week. Large swell will impact the tropical Atlantic waters through Sat, with a more significant swell event penetrating the NE Caribbean Sun. NW Caribbean W of 85W .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 4 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 4 ft. .FRI NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...NE 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 4 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 4 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 3 ft. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .THU...E winds 15 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TONIGHT...Gulf of Venezuela, NE winds 10 to 20 kt. Elsewhere, NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .WED...Gulf of Venezuela, NE winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...E winds 15 to 20 kt Gulf of Venezuela, and NE 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 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .SUN...NE winds less than 10 kt. Seas 3 to 4 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...NE winds less than 10 kt. Seas 5 to 7 ft. .WED...NE winds less than 10 kt. Seas 6 to 8 ft. .WED NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 9 ft. .THU...NE winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 6 to 8 ft. .FRI...E winds less than 10 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .SAT...S winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 4 to 6 ft. .SUN...SW winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...W winds 10 to 15 kt. Seas 7 to 10 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...E winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds less than 10 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 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, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .SUN...SE winds less than 10 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 along 26N will stall east of the Bahamas and dissipate late Thu. Fresh southerly flow will increase late Thu off NE Florida ahead of another cold front moving off the coast Thu night. The front will reach from Bermuda to the Straits of Florida by late Fri, just ahead of a reinforcing front with strong to possibly gale force winds north of 24N related to deep low pressure moving off the Virginia coast. The fronts will merge Sat and reach from 22N65W to the Windward Passage by Sun. A significant swell event will accompany this system, affecting all waters E of N Florida and the Bahamas by the end of the week. ATLC waters from 27N to 31N W of 77W .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft. .THU...SW winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NW winds 15 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NW winds 15 to 20 kt. Seas 7 to 10 ft. .SAT...N winds 20 to 25 kt. Seas 8 to 13 ft. .SAT NIGHT...N winds 20 to 25 kt. Seas 9 to 14 ft. .SUN...N winds 20 to 25 kt. Seas 11 to 16 ft. .SUN NIGHT...N winds 15 to 20 kt. Seas 12 to 17 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE CONDITIONS POSSIBLE SAT and SAT NIGHT... .TONIGHT...NE winds 10 to 20 kt W of 70W, and NE 15 to 25 kt elsewhere. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 15 kt, shifting to SE after midnight. Seas 6 to 9 ft. .THU...S winds 10 to 15 kt W of 70W, and S less than 10 kt elsewhere. Seas 6 to 9 ft. .THU NIGHT...SW winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...W winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...NW winds 20 to 30 kt. Seas 10 to 15 ft. .SAT...NW winds 20 to 30 kt increasing to 30 to 35 kt N of 28N. Seas 15 to 20 ft. .SAT NIGHT...NW winds 25 to 35 kt. Seas 16 to 26 ft. .SUN...NW winds 20 to 30 kt. Seas 17 to 26 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 18 to 24 ft. Bahamas N of 22N .TONIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 ft. .WED...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .THU...SE winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .FRI...W winds less than 10 kt. Seas 3 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...N winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. ATLC waters from 22N to 27N between 65W and the Bahamas ...GALE CONDITIONS POSSIBLE SAT NIGHT... .TONIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .WED...W of 70W, NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, N winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt, shifting to E after midnight. Seas 6 to 9 ft. .THU...E winds less than 10 kt. Seas 6 to 9 ft. .THU NIGHT...SE winds less than 10 kt, shifting to W after midnight. Seas 6 to 9 ft. .FRI...W winds 10 to 15 kt. Seas 6 to 7 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NW winds 15 to 25 kt. Seas 7 to 10 ft, building to 8 to 13 ft in the afternoon. .SAT NIGHT...NW winds 20 to 30 kt increasing to 30 to 35 kt N of 24N. Seas 11 to 16 ft, building to 14 to 19 ft after midnight. .SUN...NW winds 15 to 25 kt. Seas 16 to 21 ft. .SUN NIGHT...NW winds 15 to 25 kt. Seas 16 to 21 ft. ATLC waters S of 22N W of 65W .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .THU...E winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .FRI...Variable winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...Variable winds less than 10 kt, becoming NW less than 10 kt after midnight. Seas 4 to 6 ft. .SAT...W winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. .SUN...NW winds 10 to 20 kt. Seas 7 to 10 ft, building to 8 to 13 ft in the afternoon. .SUN NIGHT...NW winds 10 to 20 kt. Seas 8 to 13 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 6 to 9 ft. .WED...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds less than 10 kt. Seas 7 to 10 ft. .THU...Variable winds less than 10 kt. Seas 8 to 9 ft. .THU NIGHT...NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 8 to 9 ft. .FRI...Variable winds less than 10 kt. Seas 7 to 9 ft. .FRI NIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 6 to 8 ft. .SAT...SW winds 10 to 15 kt. Seas 6 to 7 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 6 to 7 ft, building to 7 to 10 ft after midnight. .SUN...W winds 15 to 25 kt. Seas 9 to 14 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 12 to 17 ft.