920 FZNT31 KNHC 211527 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1127 AM EDT Mon Aug 21 2023 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...Tropical Storm Franklin is over the Caribbean Sea near 15.0N 70.1W at 11 AM EDT, and is moving west at 5 kt. Maximum sustained winds are 45 kt with gusts to 55 kt, and the minimum central pressure is 999 mb. Franklin will move to near 15.2N 70.5W this evening, to near 15.7N 71.0W Tue morning with maximum sustained winds 50 kt gusts 60 kt, to near 17.3N 70.9W Tue evening with maximum sustained winds 55 kt gusts 65 kt, move inland the Dominican Republic near 19.2N 70.6W Wed morning with maximum sustained winds 45 kt gusts 55 kt, then move back over water to near 21.2N 69.9W Wed evening. Franklin is forecast to strengthen as it reaches near 22.8N 68.4W Thu morning with maximum sustained winds 55 kt gusts 65 kt and strengthen to a hurricane over near 24.4N 65.2W early Fri with maximum sustained winds 65 kt gusts 80 kt. Tropical Storm Gert is near 16.9N 57.0W at 11 AM EDT, and is moving west at 7 kt. Maximum sustained winds are 35 kt with gusts to 45 kt, and the minimum central pressure is 1006 mb. Gert will weaken to a remnant low near 17.2N 58.0W this evening, move to 17.8N 59.1W Tue morning, and dissipate Tue evening. Fresh to strong trade winds will pulse off Hispaniola and the Windward Passage at night and into the mornings through Tue. Rough to very rough seas can be expected through Wed in the eastern and central Caribbean. NW Caribbean W of 85W .THIS AFTERNOON...E winds less than 10 kt. Seas 2 ft or less. .TONIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE 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 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...N winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...NE winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...NE winds 20 to 30 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 30 kt S of 18N, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S of 18N, NE winds 20 to 30 kt, diminishing to 10 to 20 kt after midnight. Elsewhere, NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...S of 18N, SW winds 10 to 15 kt, shifting to S after midnight. Elsewhere, E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...S of 18N, S winds less than 10 kt, shifting to SW in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt S of 18N, and SE less than 10 kt elsewhere. Seas 2 ft or less. .FRI...SW winds 10 to 20 kt S of 18N, and S less than 10 kt elsewhere. Seas 2 ft or less. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SW winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SW winds less than 10 kt within 90 nm of coast of Colombia, and SW 10 to 15 kt elsewhere. Seas 3 to 4 ft. .THU NIGHT...Within 90 nm of coast of Colombia, W winds 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, W winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...Variable winds less than 10 kt within 90 nm of coast of Colombia, and SW 10 to 20 kt elsewhere. Seas 2 ft or less. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NW winds 10 to 15 kt, shifting to SW after midnight. Seas 3 to 4 ft. .TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .THU...S winds less than 10 kt. Seas 3 ft. .THU NIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .FRI...Variable winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W ...TROPICAL STORM WARNING... .THIS AFTERNOON...TROPICAL STORM CONDITIONS. SW winds less than 10 kt Gulf of Venezuela, and SE 35 to 45 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 6 to 9 ft elsewhere. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. Gulf of Venezuela, Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Elsewhere, E winds 35 to 45 kt. Seas 2 ft or less Gulf of Venezuela, and 6 to 9 ft elsewhere. .TUE...TROPICAL STORM CONDITIONS EXPECTED. SW winds 10 kt Gulf of Venezuela, and SE 40 to 50 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 6 to 9 ft elsewhere. .TUE NIGHT...TROPICAL STORM CONDITIONS EXPECTED. Variable winds less than 10 kt Gulf of Venezuela, and SE 45 to 55 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 6 to 9 ft elsewhere. .WED...TROPICAL STORM CONDITIONS POSSIBLE. Gulf of Venezuela, Variable winds less than 10 kt. Elsewhere, SE winds 25 to 35 kt, diminishing to 10 to 20 kt in the afternoon. Seas 2 ft or less Gulf of Venezuela, and 5 to 7 ft elsewhere. .WED NIGHT...NE winds less than 10 kt Gulf of Venezuela, and SE 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .THU...Gulf of Venezuela, Variable winds less than 10 kt, becoming NE less than 10 kt in the afternoon. Elsewhere, S winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .THU NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 4 ft elsewhere. .FRI...NE winds less than 10 kt Gulf of Venezuela, and S 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W ...TROPICAL STORM WARNING... .THIS AFTERNOON...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 5 to 7 ft. .TONIGHT...E winds 20 to 30 kt. Seas 4 to 6 ft. .TUE...SE winds 20 to 30 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 15 to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .TUE...SE 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 15 kt. Seas 3 to 5 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, shifting to SE in the afternoon. Seas 3 to 4 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Tropical Storm Franklin is over the Caribbean Sea near 15.0N 70.1W at 11 AM EDT, and is moving west at 5 kt. Maximum sustained winds are 45 kt with gusts to 55 kt, and the minimum central pressure is 999 mb. Franklin will move to near 15.2N 70.5W this evening, to near 15.7N 71.0W Tue morning with maximum sustained winds 50 kt gusts 60 kt, to near 17.3N 70.9W Tue evening with maximum sustained winds 55 kt gusts 65 kt, move inland the Dominican Republic near 19.2N 70.6W Wed morning with maximum sustained winds 45 kt gusts 55 kt, then move back over water to near 21.2N 69.9W Wed evening. Franklin is forecast to strengthen as it reaches near 22.8N 68.4W Thu morning with maximum sustained winds 55 kt gusts 65 kt and strengthen to a hurricane over near 24.4N 65.2W early Fri with maximum sustained winds 65 kt gusts 80 kt. Tropical Storm Gert is near 16.9N 57.0W at 11 AM EDT, and is moving west at 7 kt. Maximum sustained winds are 35 kt with gusts to 45 kt, and the minimum central pressure is 1006 mb. Gert will weaken to a remnant low near 17.2N 58.0W this evening, move to 17.8N 59.1W Tue morning, and dissipate Tue evening. Fresh to strong trade winds will pulse off Hispaniola and the Windward Passage at night and into the mornings through Tue. ATLC waters from 27N to 31N W of 77W .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. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt W of 70W, and W less than 10 kt elsewhere. Seas 5 to 7 ft W of 70W, and 3 to 4 ft elsewhere. .THU...W of 70W, NE winds 15 to 25 kt. Elsewhere, N winds less than 10 kt, shifting to E in the afternoon. Seas 6 to 8 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. Bahamas N of 22N .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 5 ft. .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...NE winds 10 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .THU...NE winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...N 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 20 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .WED...SE winds 10 to 15 kt, becoming E 20 to 30 kt in the afternoon. Seas 4 to 5 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. ATLC waters S of 22N W of 65W ...TROPICAL STORM WARNING... .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE 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 35 to 45 kt. Seas 5 to 7 ft, building to 7 to 10 ft in the afternoon. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 15 to 25 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 15 to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 5 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU...E winds 10 to 20 kt. Seas 4 to 5 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE.