000 FZNT31 KNHC 100313 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1113 PM EDT Mon Aug 9 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 trade winds over the central Caribbean will diminish Tue night. Potential Tropical Cyclone Six near 15.1N 60.8W 1010 mb at 11 PM EDT moving WNW at 14 kt. Maximum sustained winds 30 kt gusts 40 kt. This system is expected to move across the central Lesser Antilles tonight and intensify to a tropical storm, then continue W-NW across the NE Caribbean, move across the Mona Passage and into NE Hispaniola early Wed, and then continue offshore and parallel to the N coast of Cuba Thu through Fri and across the Straits of Florida and into the SE Gulf of Mexico Sat. NW Caribbean W of 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...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 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .FRI...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 ft. .SAT...E winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...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 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .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. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TUE...E winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 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 4 to 5 ft. .THU NIGHT...NE winds 10 to 20 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. SW Caribbean S of 11N .OVERNIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...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 5 to 7 ft. .WED NIGHT...NW winds 10 to 15 kt, shifting to N after midnight. Seas 4 to 6 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. Seas 3 to 4 ft. .FRI...W winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...NW winds less than 10 kt, shifting to N after midnight. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt, shifting to NW in the afternoon. Seas 3 to 4 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to 20 kt Gulf of Venezuela, and E 20 to 30 kt elsewhere. Seas 5 to 7 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 15 to 20 kt Gulf of Venezuela, and E 20 to 30 kt elsewhere. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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 6 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W ...TROPICAL STORM WARNING... .OVERNIGHT...E winds 20 to 30 kt. Seas 6 to 8 ft. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 6 to 8 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. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...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 .OVERNIGHT...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 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...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...SE 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 15.1N 60.8W 1010 mb at 11 PM EDT moving WNW at 14 kt. Maximum sustained winds 30 kt gusts 40 kt. This system is expected to move across the central Lesser Antilles tonight and intensify to a tropical storm, then continue W-NW, move across the Mona Passage and into NE Hispaniola early Wed, and then continue offshore and parallel to the N coast of Cuba Thu through Fri and across the Straits of Florida and into the SE Gulf of Mexico Sat. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...SE winds 10 kt. Seas 3 ft. .TUE...SE winds 10 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 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 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...SE winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 4 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. Bahamas N of 22N .OVERNIGHT...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 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...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds 10 to 20 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 4 to 6 ft. .WED...E winds 10 to 20 kt W of 70W, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt W of 70W, and SE 15 to 25 kt elsewhere. 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 7 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. ATLC waters S of 22N W of 65W ...TROPICAL STORM WARNING... .OVERNIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt, increasing to 20 to 30 kt after midnight. Seas 5 to 7 ft. .WED...TROPICAL STORM CONDITIONS POSSIBLE. E winds 35 to 45 kt, diminishing to 20 to 30 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 5 to 7 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...E winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. 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 .OVERNIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. .TUE...E winds 15 to 20 kt. Seas 6 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 ft. .WED...E winds 10 to 20 kt. Seas 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .THU...E winds 10 to 20 kt. Seas 6 to 7 ft. .THU NIGHT...E winds 15 kt. Seas 6 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 7 ft.