000 FZNT31 KNHC 130930 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 530 AM EDT Sun Aug 13 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...A tropical wave over the western Caribbean along 83W will move across the rest of the western Caribbean through this afternoon, and inland central America tonight. A large tropical wave in the central Atlantic will move across the eastern portion of the tropical N Atlantic zones late this afternoon. the move across move across the rest of those waters through tonight, and across the eastern Caribbean Monday through Tuesday night, the central Caribbean Wednesday and Wednesday night and the western Caribbean Thursday into Thursday night. Winds and seas will build between this wave and another one expected to reach the eastern part of the tropical N Atlantic Tuesday night into Wednesday, and move across the the eastern Caribbean from about Wednesday afternoon through Thursday night. NW Caribbean W of 85W .TODAY...SE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 20 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 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .WED...E winds 10 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .THU...E winds 10 to 20 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 ft elsewhere. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .WED...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .WED NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft S of 18N, and 3 to 5 ft elsewhere. .THU...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...E winds 20 to 30 kt. Seas 7 to 10 ft within 90 nm of coast of Colombia, and 5 to 7 ft elsewhere. .MON...E winds 20 to 30 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .TUE...E winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .WED...E winds 15 to 25 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .THU...E winds 15 to 25 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TODAY...NW winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...N winds 10 to 15 kt, shifting to NE 15 to 25 kt after midnight. Seas 3 to 5 ft. .MON...NE winds 15 to 25 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .TUE...E winds 15 to 25 kt, shifting to W 10 to 20 kt in the afternoon. Seas 5 to 7 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED...SW winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TODAY...E winds 15 to 25 kt. Seas 4 to 6 ft. .TONIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .MON...E winds 15 to 25 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .TUE...E winds 15 to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .WED...E winds 15 to 25 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 20 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. .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 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 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 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 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 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...Recently formed Tropical Depression Eight located near 26.5N 70.9W at 5 am EDT moving NNW at 11 kt, with maximum sustained winds 30 kt with gusts to 40 kt. The depression is forecast to intensify to a tropical storm near 28.1N 71.1W by early this afternoon with maximum sustained winds 35 kt gusts to 45 kt...reach near 29.9N 72.2W late tonight with maximum sustained winds 40 kt gusts to 50 kt. The tropical storm is then forecast to turn more to the NE and continue to gradually intensify as it reaches near 31.5N 72.0W early Monday afternoon with maximum sustained winds 45 kt gusts to 55 kt, then move N of the forecast waters to near 33.4N 71.0W by late Monday night with maximum sustained winds 50 kt gusts to 60 kt. In the wake of the tropical storm, high pressure will build westward along 27N through Thu. The combination of central Atlantic high pressure interacting with the northern portion of a strong central Atlantic tropical wave will result in increasing winds and seas over the far SE waters beginning on Wednesday. ATLC waters from 27N to 31N W of 77W .TODAY...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. .THU...SW winds 10 to 15 kt. Seas 3 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...TROPICAL STORM WARNING BETWEEN 70W AND 74W... .TODAY...TROPICAL STORM CONDITIONS EXPECTED BETWEEN 70W AND 74W. NE to E winds 25 to 35 kt between 70W and 74W, and SE 15 to 25 kt elsewhere. Seas 5 to 8 ft, except building to 6 to 9 ft in the afternoon N of 29N. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED BETWEEN 70W AND 74W. W to NW winds 30 to 40 kt between 70W and 74W, and SE 10 to 20 kt elsewhere. Seas 6 to 8 ft, except 10 to 16 ft between 70W and 74W N of 28N, and 4 to 6 ft W of 74W. .MON...TROPICAL STORM CONDITIONS EXPECTED. SW winds 30 to 40 kt W of 70W, and S 10 to 20 kt elsewhere. Seas 5 to 7 ft. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 70W, SW winds 15 to 25 kt, becoming S to SW 10 to 15 kt after midnight. Seas 5 to 7 ft, except 6 to 8 ft N of 29N E of 72W subsiding to 4 to 6 ft late. Elsewhere, S winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...S winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .WED...S winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...W of 70W, S winds 10 to 15 kt. Elsewhere, S winds 10 to 15 kt, shifting to SE after midnight. Seas 3 to 4 ft. .THU...S winds 10 to 15 kt. Seas 3 to 4 ft. Bahamas N of 22N .TODAY...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .MON...SE winds 10 to 15 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .TUE...SE winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 ft. .WED...E winds 10 to 20 kt. Seas 3 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 ft. .THU...E winds 10 to 20 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...S winds 20 to 30 kt W of 70W, and SE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SE 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 15 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 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .THU...E winds 15 to 25 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 20 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .WED...E winds 15 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. .THU...E winds 10 to 20 kt. Seas 6 to 7 ft.