000 FZNT31 KNHC 042140 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 509 PM EDT Wed Oct 4 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...Tropical Depression 16 near 12.5N 82.5W at 5 PM EDT moving NW or 315 degrees at 6 kt. Maximum sustained winds 30 kt gusts to 40 kt. Sixteen will intensify to a tropical storm near 13.2N 83.1W at 2 AM Thu, then move inland near 14.6N 83.8W at 2 pm Thu, then intensify to 50 kt gusts to 60 kt near 16.7N 84.6W at 2 AM Fri, further intensify to 60 kt gusts to 75 kt near 19.5N 85.8W at 2 PM Fri before moving through the Yucatan Channel on Fri night. NW Caribbean W of 85W ...TROPICAL STORM WARNING... .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 10 to 20 kt, increasing to 35 to 45 kt after midnight. Seas 3 to 5 ft. .FRI...TROPICAL STORM CONDITIONS EXPECTED. NW winds 45 to 55 kt. Seas 6 to 8 ft, building to 8 to 13 ft in the afternoon. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 50 to 60 kt, diminishing to 40 to 50 kt after midnight. Seas 9 to 14 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...S winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W ...TROPICAL STORM WARNING... .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .THU...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 10 to 20 kt. S of 18N, seas 3 to 5 ft. Elsewhere, seas 2 ft or less, building to 3 ft in the afternoon. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 40 to 50 kt S of 18N, and SE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .FRI...TROPICAL STORM CONDITIONS EXPECTED. S of 18N, S winds 45 to 55 kt, diminishing to 20 to 30 kt in the afternoon. Elsewhere, SE winds 45 to 55 kt. Seas 6 to 9 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to 30 kt S of 18N, and S 25 to 35 kt elsewhere. Seas 4 to 6 ft S of 18N, and 6 to 9 ft elsewhere. .SAT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 ft. Caribbean from 11N to 15N W of 72W ...TROPICAL STORM WARNING... .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 10 to 15 kt within 90 nm of coast of Colombia, and SE 25 to 35 kt elsewhere. Seas 3 to 5 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 10 to 15 kt within 90 nm of coast of Colombia, and S 25 to 35 kt elsewhere. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 15 kt within 90 nm of coast of Colombia, and S 15 to 25 kt elsewhere. Seas 4 to 6 ft. .FRI...SE winds less than 10 kt within 90 nm of coast of Colombia, and S 10 to 20 kt elsewhere. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SE 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 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TONIGHT...SW winds less than 10 kt, shifting to S after midnight. Seas 2 ft or less. .THU...S winds 10 to 20 kt. Seas 2 ft or less, building to 3 to 4 ft in the afternoon. .THU NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...S winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft in the evening, subsiding to 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SUN...NE winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .SUN NIGHT...Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 3 to 4 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 3 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .THU...Gulf of Venezuela, SW winds 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. .THU NIGHT...Variable winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .FRI...Variable winds less than 10 kt Gulf of Venezuela, and SE 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .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 3 to 5 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. 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 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 4 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON 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 .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 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 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 4 to 6 ft. .SUN...E winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .MON...E winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...Strong high pres N of the area will continue to support fresh to strong NE to E flow W of 70W into Thu except near gale force across the Bahama channel into early Thu. Winds will diminish across the basin by the end of the week as the pressure gradient significantly relaxes, with much more tranquil marine conditions this weekend. ATLC waters from 27N to 31N W of 77W .TONIGHT...E winds 20 to 30 kt. Seas 9 to 14 ft. .THU...E winds 20 to 25 kt. Seas 10 to 13 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. .FRI...SE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...SE winds 10 kt. Seas 6 to 7 ft. .SAT...SE winds 10 kt. Seas 5 to 6 ft. .SAT NIGHT...SE winds 10 kt. Seas 4 to 5 ft. .SUN...SE winds 10 kt. Seas 4 to 5 ft. .SUN NIGHT...SE winds 10 kt. Seas 4 ft. .MON...SE winds 10 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds 10 kt. Seas 3 to 4 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TONIGHT...E winds 15 to 25 kt. Seas 9 to 12 ft. .THU...E winds 15 to 20 kt. Seas 9 to 11 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft. .FRI...E winds 10 to 15 kt. Seas 7 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...E winds less than 10 kt. Seas 5 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 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON...SE winds 10 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 10 kt. Seas 4 to 5 ft. Bahamas N of 22N ...GALE WARNING... .TONIGHT...E winds 20 to 30 kt except frequent gusts to gale force w of 77W. Seas 4 to 6 ft. .THU...SE winds 20 to 30 kt except frequent gusts to gale force w of 77W early. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 ft. .SUN...E winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...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 15 kt. Seas 7 to 9 ft. .FRI...SE winds 10 kt. Seas 7 to 8 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 6 to 7 ft. .SAT...E winds less than 10 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. 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 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. .THU...SE winds 10 to 15 kt. Seas 7 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 7 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON...E winds 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 15 kt. Seas 5 to 6 ft.