000 FZNT31 KNHC 092103 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 503 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 tonight will give way to a developing Tropical Cyclone approaching the Lesser Antilles tonight. Potential Tropical Cyclone Six is located near 14.2N 59.2W 1010 mb at 2100 UTC moving W-NW 13 kt. Maximum sustained winds 30 kt gusts to 40 kt. This system is expected to move across the central Lesser Antilles tonight and intensify to a tropical storm, then continue W-NW, reaching near 16.8N 64.5W Tue afternoon, 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 .TONIGHT...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 10 to 15 kt. Seas 3 ft. .FRI...NE winds less than 10 kt. Seas 3 ft. .FRI NIGHT...E winds 10 kt. Seas 3 ft. .SAT...E winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TUE...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt S of 18N, and E 15 to 25 kt elsewhere. 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 .TONIGHT...NE winds 15 to 25 kt. 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. 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 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 .TONIGHT...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 S 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .THU...E winds less than 10 kt, shifting to NW in the afternoon. Seas 3 to 5 ft. .THU NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NW winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. .SAT...SW winds less than 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W ...TROPICAL STORM WARNING... .TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. Gulf of Venezuela, E winds 15 to 20 kt. Elsewhere, E winds 10 to 20 kt, increasing to 25 to 35 kt in the afternoon. Seas 5 to 9 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Gulf of Venezuela, NE winds 15 to 25 kt. Elsewhere, E winds 25 to 35 kt, diminishing to 10 to 20 kt after midnight. Seas 4 to 6 ft. .WED...Gulf of Venezuela, NE winds 10 to 20 kt. Elsewhere, E winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. 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 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 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... .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 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 9 ft. .TUE NIGHT...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 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 .TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .TUE...SE 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 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 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 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. 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. Newly classified Potential Tropical Cyclone Six is located near 14.2N 59.2W 1010 mb at 2100 UTC moving W-NW 13 kt. Maximum sustained winds 30 kt gusts to 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 .TONIGHT...SE winds 10 to 15 kt. Seas 3 ft. .TUE...SE winds 10 kt. Seas 3 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 ft. .WED...SE 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...SE winds 10 to 20 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 .TONIGHT...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 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...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...SE winds 10 to 15 kt. 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 .TONIGHT...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...E winds 10 to 20 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 25 to 35 kt, diminishing to 10 to 20 kt in the afternoon. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...E winds 10 to 20 kt. Seas 4 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 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 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 15 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W ...TROPICAL STORM WARNING... .TONIGHT...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 15 to 25 kt. Seas 5 to 7 ft. .WED...TROPICAL STORM CONDITIONS POSSIBLE. E winds 30 to 40 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 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 .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 15 to 20 kt. Seas 6 to 7 ft. .TUE NIGHT...E winds 15 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 15 to 20 kt. Seas 6 to 7 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. .FRI...E winds 15 to 20 kt. Seas 6 to 7 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. .SAT...E winds 15 to 20 kt. Seas 6 to 7 ft.