944 FZNT31 KNHC 160759 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 359 AM EDT Sun Sep 16 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...The remnants of tropical cyclone Isaac, an ill defined 1007 mb low center near 16.5N73.5W, will continue moving westward across the central Caribbean today accompanied by a large area of thunderstorms, then weaken to a trough and move across the western Caribbean through Tue. Otherwise, gentle trades are expected W of the trough, while moderate to locally fresh trades are expected E of the trough. Strong nocturnal trades will resume Mon night through the rest of the week off the NW coast of Colombia. A tropical wave will pass through the tropical waters E of the windwards on Tue accompanied by fresh to locally strong tradewinds and building seas and enter the E Caribbean early Wed. NW Caribbean W of 85W .TODAY...NE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...NE winds 10 kt. Seas 2 ft or less. .MON...NE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...NE winds 10 kt. Seas 2 ft or less. .TUE...NE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...E winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less, building to 3 ft after midnight. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...S of 18N, NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...S of 18N, NE winds less than 10 kt, shifting to E after midnight. Elsewhere, 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 5 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. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt within 90 nm of coast of Colombia, and E less than 10 kt elsewhere. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 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. .WED...E winds 15 to 25 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .TODAY...NE winds less than 10 kt, shifting to S in the afternoon. Seas 3 to 4 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .MON...NE winds less than 10 kt. Seas 3 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 ft. .TUE...N winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .WED...NE winds less than 10 kt, shifting to SW in the afternoon. Seas 3 to 5 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .THU...N winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TODAY...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. .TONIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 5 ft elsewhere. .MON...E winds 10 to 20 kt. Gulf of Venezuela, seas 2 ft or less, building to 3 ft in the afternoon. Elsewhere, 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 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...SE winds 10 kt. Seas 4 to 6 ft. .TONIGHT...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 15 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 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...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 .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Synopsis for the the SW N ATLC including the Bahamas .SYNOPSIS...A ridge extending from 31N73W to SE Florida will gradually shift north to central Florida by early Mon where it meander through the middle of next week. A deep layered trough extending from N of the Mona Passage to the central Atlc will shift gradually westward across the waters south of the ridge through Wed. ATLC waters from 27N to 31N W of 77W .TODAY...S winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...SE winds 10 kt. Seas 4 to 5 ft. .TUE...S winds 10 kt. Seas 4 to 5 ft. .TUE NIGHT...S winds 10 kt. Seas 4 ft. .WED...SW winds 10 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .THU...Variable winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...E winds 10 to 15 kt. Seas 6 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 kt. Seas 5 to 6 ft. .TUE...E winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt, shifting to SW after midnight. Seas 4 to 5 ft. .WED...W winds less than 10 kt. Seas 4 to 5 ft. .WED NIGHT...W winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .THU...W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...W winds less than 10 kt. Seas 3 to 4 ft. Bahamas N of 22N .TODAY...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...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...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds less than 10 kt. Seas 3 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 3 ft. .WED...SE winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NE winds less than 10 kt. Seas 6 to 7 ft. .TONIGHT...E winds less than 10 kt. Seas 5 to 6 ft. .MON...E winds 10 kt W of 70W, and Variable less than 10 kt elsewhere. Seas 5 to 6 ft. .MON NIGHT...E winds less than 10 kt W of 70W, and Variable less than 10 kt elsewhere. Seas 4 to 5 ft. .TUE...S winds less than 10 kt. Seas 4 to 5 ft. .TUE NIGHT...S winds less than 10 kt. Seas 4 to 5 ft. .WED...S winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SE winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .TUE...SE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 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. ATLC waters from 19N to 22N between 55W and 65W .TODAY...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 6 ft. .TONIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 5 to 6 ft. .MON...SE winds less than 10 kt. Seas 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 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. 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 4 to 6 ft.