610 FZNT31 KNHC 140306 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1106 PM EDT Thu Sep 13 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...Tropical Storm Isaac 1006 mb near 14.9N 64.4W at 11 PM EDT, is moving W at 14 kt. Maximum sustained winds are 35 kt with gusts to 45 kt. Isaac will move westward across the Caribbean and gradually weaken through Mon night. Highest winds and seas are north of the center. NW Caribbean W of 85W .OVERNIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...NE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds 10 kt. Seas 2 ft or less. .SUN...NE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .MON...NE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .TUE...NE winds 10 to 15 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 ft. .FRI...E winds 10 to 15 kt S of 18N, and NE less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .FRI NIGHT...S of 18N, NE winds 10 to 15 kt, increasing to 15 to 25 kt after midnight. Elsewhere, NE winds less than 10 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SAT...NE winds 15 to 25 kt S of 18N, and NE less than 10 kt elsewhere. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .SAT NIGHT...NE winds 15 to 25 kt S of 18N, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .SUN...NE winds 15 to 25 kt S of 18N, and NE 10 to 15 kt elsewhere. Seas 5 to 7 ft S of 18N, and 3 ft elsewhere. .SUN NIGHT...S of 18N, E winds 15 to 25 kt. Elsewhere, NE winds less than 10 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .MON...E winds 10 to 20 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...Within 90 nm of coast of Colombia, NE winds 10 kt. Elsewhere, E winds 10 to 15 kt, shifting to NE 15 to 25 kt after midnight. Seas 3 to 4 ft. .SAT...NW winds 10 to 15 kt within 90 nm of coast of Colombia, and N 15 to 25 kt elsewhere. Seas 4 to 6 ft. .SAT NIGHT...Within 90 nm of coast of Colombia, W winds 10 to 15 kt. Elsewhere, NE winds 15 to 25 kt. Seas 4 to 6 ft. .SUN...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. .SUN NIGHT...Within 90 nm of coast of Colombia, W winds 10 to 15 kt. Elsewhere, S winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .TUE...E winds 15 to 25 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .OVERNIGHT...NE winds less than 10 kt. Seas 3 ft. .FRI...SE winds less than 10 kt. Seas 3 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 3 ft. .SAT...Variable winds less than 10 kt. Seas 3 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SE winds less than 10 kt. Seas 2 to 3 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 2 to 3 ft. .TUE...NE winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. Variable winds less than 10 kt Gulf of Venezuela, and N 25 to 35 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. Variable winds less than 10 kt Gulf of Venezuela, and NW 25 to 35 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 6 to 8 ft elsewhere. .FRI NIGHT...Variable winds less than 10 kt Gulf of Venezuela, and S 15 to 25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 6 to 9 ft elsewhere. .SAT...Variable winds less than 10 kt Gulf of Venezuela, and SE 15 to 25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 6 to 9 ft elsewhere. .SAT NIGHT...Variable winds less than 10 kt Gulf of Venezuela, and SE 15 to 25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 5 to 7 ft elsewhere. .SUN...Variable winds less than 10 kt Gulf of Venezuela, and SE 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .SUN NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .MON...E winds 10 to 20 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 4 to 5 ft. .TUE...E winds 15 to 25 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to 30 kt. Seas 8 to 11 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to 30 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 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 4 to 6 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. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. Synopsis for the the SW N ATLC including the Bahamas .SYNOPSIS...Hurricane Florence 955 mb is centered north of the area near 33.7N 76.2W at 11 PM EDT, moving WNW at 4 kt. Maximum sustained winds are 85 kt with gusts to 105 kt. Large swell from Florence will continue to affect the waters north of the Bahamas through Fri. Large swell is also expected E of 70W through Fri. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...SW winds 15 to 25 kt. Seas 7 to 9 ft. .FRI...SW winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...W winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds 15 to 25 kt. Seas 6 to 8 ft. .SUN...S winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...S winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...S winds 15 to 25 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 6 to 9 ft. .FRI...SE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...S winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .TUE...E winds 10 kt. Seas 4 to 5 ft. Bahamas N of 22N .OVERNIGHT...E winds less than 10 kt. Seas 3 ft. .FRI...E winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 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. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN...W of 70W, E winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 5 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 5 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 4 to 5 ft. .TUE...SE winds 10 kt. Seas 4 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 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...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SAT...SE winds less than 10 kt. Seas 6 to 7 ft. .SAT NIGHT...S winds less than 10 kt. Seas 6 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft.