000 FZNT31 KNHC 101513 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1113 AM 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 early Wed morning. Potential Tropical Cyclone Six near 16.3N 63.8W 1012 mb at 11 AM EDT moving WNW at 16 kt. Maximum sustained winds 30 kt gusts 40 kt. This system is expected to pass near or over the U.S. Virgin Islands and Puerto Rico later today and tonight, be near or over Hispaniola on Wednesday, and be near the southeastern Bahamas and the Turks and Caicos Islands Thursday. Gradual strengthening is forecast during the next day or so and the disturbance is expected to become a tropical storm later today or tonight. Some weakening is likely while the system interacts with Hispaniola on Wednesday. NW Caribbean W of 85W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. .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 20 kt. Seas 3 ft. .THU...E winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...NE winds less than 10 kt, shifting to E after midnight. 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...E winds less than 10 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 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. .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 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 15 to 25 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft. .WED...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. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 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. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED...N winds 10 to 20 kt, shifting to SW in the afternoon. Seas 4 to 6 ft. .WED NIGHT...NW winds 10 to 15 kt, shifting to N after midnight. Seas 3 to 5 ft. .THU...S winds 10 to 15 kt, shifting to W in the afternoon. 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. Seas 3 ft. .FRI NIGHT...NW winds less than 10 kt, shifting to N after midnight. Seas 3 ft. .SAT...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 25 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Gulf of Venezuela, seas 3 to 4 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Gulf of Venezuela, seas 2 ft or less, building to 3 ft after midnight. Elsewhere, seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...SE winds 20 to 30 kt. Seas 5 to 7 ft. .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 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 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 3 to 5 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...SE winds 10 to 15 kt. Seas 3 to 4 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 16.3N 63.8W 1012 mb at 11 AM EDT moving WNW at 16 kt. Maximum sustained winds 30 kt gusts 40 kt. This system is expected to pass near or over the U.S. Virgin Islands and Puerto Rico later today and tonight, be near or over Hispaniola on Wednesday, and be near the southeastern Bahamas and the Turks and Caicos Islands Thursday. This system is expected to enter the Gulf of Mexico by late Friday. Gradual strengthening is forecast during the next day or so and the disturbance is expected to become a tropical storm later today or tonight. Some weakening is likely while the system interacts with Hispaniola on Wednesday. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...SE winds 10 kt. Seas 3 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft. .WED...E winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 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 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...E winds 10 kt. Seas 3 to 4 ft. .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...SE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. Bahamas N of 22N .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...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 5 ft. .THU...E winds 20 to 30 kt. Seas 3 to 5 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .WED...E winds 10 to 20 kt W of 70W, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt W of 70W, and SE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 5 to 6 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 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W ...TROPICAL STORM WARNING... .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 5 ft. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt, increasing to 20 to 30 kt after midnight. Seas 4 to 6 ft. .WED...TROPICAL STORM CONDITIONS POSSIBLE. E winds 30 to 40 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. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 15 to 20 kt. Seas 6 to 7 ft. .TONIGHT...E winds 10 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 ft. .THU...E winds 10 to 20 kt. Seas 6 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 6 ft. .FRI...E winds 15 to 20 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. .SAT...E winds 15 to 20 kt. Seas 5 to 6 ft.