000 FZNT31 KNHC 201502 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1002 AM EST Wed Nov 20 2019 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 Atlantic from 07N to 19N between 55W and 64W .SYNOPSIS...Tropical Storm Sebastien is centered NE of the northern Leeward Islands near 21.1N 61.7W 1002 mb at 10 AM EST moving W at 6 kt. Maximum sustained winds 45 kt gusts 55 kt. Sebastien will turn northward later today and move away from the area. Fresh NE winds will prevail across most of the western Caribbean through Fri morning, with the strongest winds expected through the Windward and Mona passages Thu night as high pressure builds north of the region. NW Caribbean W of 85W .TODAY...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 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 3 to 5 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...N winds less than 10 kt. Seas 3 ft. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. Caribbean N of 15N between 72W and 85W .TODAY...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 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. 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 4 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 ft. Caribbean from 11N to 15N W of 72W .TODAY...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...NE 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...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE 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. SW Caribbean S of 11N .TODAY...N winds less than 10 kt. Seas 3 ft. .TONIGHT...N winds less than 10 kt. Seas 3 ft. .THU...N winds 10 kt. Seas 3 ft. .THU NIGHT...N winds less than 10 kt. Seas 3 ft. .FRI...N winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .SAT...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .SUN...N winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .TODAY...NE winds less than 10 kt. Seas 3 ft. .TONIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 ft. .THU...NE winds less than 10 kt. Seas 3 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE 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...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE 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 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .SAT...E winds 10 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 kt. Seas 5 to 7 ft. .SUN...E winds 10 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 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 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .THU NIGHT...NE 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 4 to 6 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 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 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Tropical Storm Sebastien is centered near 21.1N 61.7W 1002 mb at 10 AM EST moving W at 6 kt. Maximum sustained winds 45 kt gusts 55 kt. Sebastien will turn northward later today and move to 22.0N 61.7W this evening, 23.7N 60.2W Thu morning, 26.3N 57.2W Thu evening, then become extratropical as it merges with a cold front near 29.8N 52.5W Fri morning. Elsewhere, a cold front extending from 31N67W to 26N73W to 23N81W will continue moving southeastward across the region through Thu. High pressure will build across the northern waters Thu through Sat, then shift eastward Sat night through Sun as the next cold front moves off the SE U.S. coast. ATLC waters from 27N to 31N W of 77W .TODAY...NW winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...N winds 15 kt. Seas 5 to 6 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt, shifting to E after midnight. Seas 4 to 6 ft. .FRI...S winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...Variable winds less than 10 kt, becoming S 10 kt after midnight. Seas 4 to 5 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds 15 to 25 kt. Seas 4 to 6 ft. .SUN...SW winds 15 to 25 kt. Seas 5 to 7 ft. .SUN NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...NW winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...N winds 15 to 20 kt. Seas 7 to 10 ft. .THU...N winds 10 to 20 kt. Seas 6 to 9 ft W of 70W, and 9 to 11 ft elsewhere. .THU NIGHT...NE winds 10 to 20 kt W of 70W, and N 15 to 20 kt elsewhere. Seas 6 to 9 ft W of 70W, and 9 to 11 ft elsewhere. .FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 7 to 10 ft. .FRI NIGHT...N winds less than 10 kt. Seas 6 to 8 ft. .SAT...NW winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .SUN...S winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 6 to 8 ft. Bahamas N of 22N .TODAY...N winds 10 to 15 kt. 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 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 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. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt, shifting to S in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...SW winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W of 70W, N winds 10 to 20 kt. Elsewhere, NW winds less than 10 kt, increasing to 10 to 20 kt in the afternoon. Seas 6 to 8 ft. .TONIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. .THU...N winds 15 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 15 kt. Seas 7 to 9 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 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...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...N winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU...N winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 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 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W ...TROPICAL STORM WARNING... .TODAY...S winds 25 to 35 kt. Seas 9 to 14 ft. .TONIGHT...S winds 10 to 20 kt. Seas 8 to 11 ft. .THU...SW winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 ft.