598 FZNT31 KNHC 141458 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1058 AM EDT Fri Sep 14 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 Depression Isaac near 14.9N 67.3W 1007 mb at 11 AM EDT moving W at 14 kt. Maximum sustained winds 30 kt gusts 40 kt. Isaac will move to 15.0N 69.0W this evening, 15.1N 71.3W Sat morning, 15.2N 73.3W Sat evening, 15.6N 75.3W Sun morning, 17.0N 79.5W Mon morning and dissipate early Tue. The highest winds and seas are expected mainly north of the center. Otherwise, gentle to moderate trades are forecast west of Isaac, while moderate to locally fresh trades are forecast to the east of Isaac. Strong nocturnal trades are forecast off the northwest coast of Colombia on Mon and Tue nights. NW Caribbean W of 85W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less. .SUN...E 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 less than 10 kt. Seas 2 ft or less. .TUE NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...NE winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 ft. .TONIGHT...S of 18N, NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight,Seas 3 to 5 ft. Elsewhere, NE winds less than 10 kt,Seas 2 ft or less, building to 3 ft after midnight. .SAT...NE winds less than 10 kt. S of 18N, seas 3 to 5 ft. Elsewhere, seas 3 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...NE winds 10 to 15 kt S of 18N, and NE less than 10 kt elsewhere. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 to 15 kt, shifting to E after midnight. Seas 3 ft. .MON...E winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .SUN...SE winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .THIS AFTERNOON...N winds less than 10 kt, becoming variable winds less than 10 kt. Seas 3 ft. .TONIGHT...Variable winds less than 10 kt. Seas 3 ft. .SAT...Variable winds less than 10 kt, becoming W less than 10 kt in the afternoon. Seas 3 ft. .SAT NIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 ft. .SUN...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 3 ft. .SUN NIGHT...S winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 ft. .MON...Variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...NE winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...NE winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 5 to 7 ft elsewhere. .TONIGHT...NE winds less than 10 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .SAT...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. .SAT NIGHT...Gulf of Venezuela, N winds 10 kt in the evening, 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. .SUN...SE 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 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...SE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .SAT...E winds less than 10 kt, shifting to SE in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...SE winds less than 10 kt. 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. .MON...E winds 10 to 15 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. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...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. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Synopsis for the the SW N ATLC including the Bahamas .SYNOPSIS...Hurricane Florence inland north of area at 34.0N 78.0W 958 mb at 11 AM EDT moving W-SW at 3 kt. Maximum sustained winds 70 kt gusts 85 kt. Florence will move to near 33.9N 78.9W this evening, near 33.8N 79.7W Sat morning, near 33.9N 80.8W Sat evening, weaken to a tropical depression near 34.7N 82.0W Sun morning and continue to move away from area. A ridge will meander from 31N69W to southeast Florida through Sun, then shift north to a position from 31N74W to central Florida by the middle of next week. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...SW winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...S winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 15 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. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 7 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 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...E winds less than 10 kt. Seas 4 to 5 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft. Bahamas N of 22N .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .SUN...E winds less than 10 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, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...E winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...E winds 10 kt. Seas 6 to 7 ft. .SAT NIGHT...E winds less than 10 kt. Seas 6 to 7 ft. .SUN...E winds less than 10 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .MON...SE winds less than 10 kt. Seas 4 to 5 ft. .MON NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft. .TUE...SE winds less than 10 kt. Seas 4 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 4 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...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...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .TUE...SE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...SE winds less than 10 kt. Seas 6 to 8 ft. .SAT...S winds less than 10 kt. Seas 6 to 7 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming S 10 kt after midnight. Seas 5 to 6 ft. .SUN...S winds 10 kt. Seas 5 to 6 ft. .SUN NIGHT...SE winds 10 kt. Seas 4 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.