000 FZNT31 KNHC 102115 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 515 PM EDT Tue Aug 10 2021 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 Atlantic from 07N to 19N between 55W and 64W .SYNOPSIS...Fresh to strong winds over the central Caribbean are expected to diminish by tonight. Potential Tropical Cyclone Six near 16.9N 65.5W 1012 mb at 5 PM EDT moving WNW at 15 kt. Maximum sustained winds 30 kt gusts 40 kt. Six is expected to pass near or over the U.S. Virgin Islands and Puerto Rico tonight, be near or over Hispaniola on Wednesday, and be near the southeastern Bahamas and the Turks and Caicos Islands on Thursday. Gradual strengthening is forecast during the next day or so and the disturbance is expected to become a tropical storm tonight. Some weakening is likely while the system interacts with Hispaniola on Wednesday. NW Caribbean W of 85W .TONIGHT...E winds 10 to 15 kt. 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 ft. .THU...E winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .FRI...NE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...SE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. .SUN...SE winds 10 to 15 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...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...NE winds 10 to 20 kt. Seas 3 to 5 ft. .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 S of 18N, and 2 ft or less elsewhere. .FRI...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SAT...SE winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SUN...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TONIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt, shifting to S 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .THU...E winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .FRI...W winds less than 10 kt, shifting to SW in the afternoon. Seas 3 ft. .FRI NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 ft. .SAT...SW winds less than 10 kt. Seas 3 ft. .SAT NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. .SUN...S winds less than 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .TONIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .WED...Gulf of Venezuela, E winds 10 to 20 kt, becoming NE less than 10 kt in the afternoon,Seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, E winds 15 to 25 kt,Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .THU...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .THU NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .SUN...Gulf of Venezuela, E winds 10 kt, shifting to SW less than 10 kt in the afternoon. Elsewhere, E 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...E winds 15 to 25 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. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 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 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E 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. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Atlc surface ridge associated with the Bermuda- Azores high will persist with axis N of the area for the next several days. Potential Tropical Cyclone Six near 16.9N 65.5W 1012 mb at 5 PM EDT moving WNW at 15 kt. Maximum sustained winds 30 kt gusts 40 kt. Six is expected to pass near or over the U.S. Virgin Islands and Puerto Rico tonight, be near or over Hispaniola on Wednesday, and be near the southeastern Bahamas and the Turks and Caicos Islands on Thursday. Gradual strengthening is forecast during the next day or so and the disturbance is expected to become a tropical storm tonight. Some weakening is likely while the system interacts with Hispaniola on Wednesday. ATLC waters from 27N to 31N W of 77W .TONIGHT...SE winds 10 kt. Seas 3 ft. .WED...E winds less than 10 kt. Seas 3 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 ft. .SUN...SE winds 10 to 15 kt. Seas 4 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...E winds 10 to 15 kt. 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 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. Bahamas N of 22N .TONIGHT...E winds 10 to 20 kt. Seas 3 ft. .WED...E winds 10 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 20 to 30 kt. Seas 3 to 5 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 3 to 5 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft. .SUN...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 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 5 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W ...TROPICAL STORM WARNING... .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt, increasing to 25 to 35 kt after midnight. Seas 4 to 6 ft. .WED...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 20 to 30 kt. Seas 5 to 7 ft. .THU...E winds 20 to 30 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 20 to 30 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .THU...E winds 15 to 20 kt. Seas 6 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 6 ft.