000 FZNT31 KNHC 122052 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 452 PM EDT Mon Aug 12 2024 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 19N W of 55W, the N Atlantic from 19N to 31N W of 55W including the 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 W of 55W .SYNOPSIS....Tropical Storm Ernesto is near 16.0N 57.5W at 5 PM EDT, and is moving west-northwest at 24 kt. Maximum sustained winds are 35 kt with gusts to 45 kt, and the minimum central pressure is 1009 mb. Ernesto will move to 16.2N 60.3W Tue morning, 16.9N 63.4W Tue afternoon, 18.5N 65.6W Wed morning, 20.9N 67.1W Wed afternoon, strengthen to a hurricane near 22.9N 67.8W Thu morning, and 25.0N 68.0W Thu afternoon. Ernesto will change little in intensity as it moves to 29.4N 66.0W Fri afternoon. Ernesto will then move northward across the western Atlantic through Sat and gradually strengthen, with high pressure gradually building westward along 20N in its wake. 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 15 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .THU...NE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .FRI...E winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .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 5 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. .THU...S of 18N, E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 2 ft or less. .FRI...E winds 10 to 20 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 ft. .FRI NIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 ft. .SAT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. SW Caribbean S of 11N .TONIGHT...NW winds less than 10 kt, shifting to N after midnight. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt, shifting to W in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .WED...E winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .THU...SE winds less than 10 kt, shifting to NW in the afternoon. Seas 3 ft. .THU NIGHT...N winds less than 10 kt. Seas 3 ft. .FRI...E winds less than 10 kt, shifting to NW in the afternoon. Seas 3 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 ft. .SAT...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. Caribbean between 64W and 72W .TONIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. Gulf of Venezuela, E winds 10 to 20 kt, becoming NE less than 10 kt in the afternoon,Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. Elsewhere, E winds 10 to 20 kt, seas 4 to 6 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .WED...Gulf of Venezuela, N winds less than 10 kt, shifting to SW in the afternoon. Elsewhere, SE winds 15 to 25 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .WED NIGHT...NE winds less than 10 kt Gulf of Venezuela, and SE 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .THU...Gulf of Venezuela, S winds less than 10 kt, shifting to NW in the afternoon. Elsewhere, SE winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .THU NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .FRI...Gulf of Venezuela, SE winds 10 to 20 kt, becoming NE less than 10 kt in the afternoon. Elsewhere, 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. Gulf of Venezuela, seas 2 ft or less, building to 3 ft after midnight. Elsewhere, 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 30 to 40 kt. Seas 7 to 10 ft. .TUE...TROPICAL STORM CONDITIONS EXPECTED. SE winds 35 to 45 kt. Seas 8 to 11 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 35 to 45 kt, diminishing to 20 to 30 kt after midnight. Seas 7 to 10 ft. .WED...SE winds 15 to 25 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...S winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 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...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Tropical Storm Ernesto is near 16.0N 57.5W at 5 PM EDT, and is moving west-northwest at 24 kt. Maximum sustained winds are 35 kt with gusts to 45 kt, and the minimum central pressure is 1009 mb. Ernesto will move to 16.2N 60.3W Tue morning, 16.9N 63.4W Tue afternoon, 18.5N 65.6W Wed morning, 20.9N 67.1W Wed afternoon, strengthen to a hurricane near 22.9N 67.8W Thu morning, and 25.0N 68.0W Thu afternoon. Ernesto will change little in intensity as it moves to 29.4N 66.0W Fri afternoon. Ernesto will then move northward across the western Atlantic through Sat and gradually strengthen, with high pressure gradually building westward along 20N in its wake. ATLC waters from 27N to 31N W of 77W .TONIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .WED...W winds less than 10 kt. Seas 3 ft. .WED NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 3 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...NE winds less than 10 kt. Seas 6 to 8 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...S winds 10 to 15 kt. Seas 4 ft. .TUE...SW winds 10 to 20 kt. Seas 4 ft. .TUE NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...W of 70W, W winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, S winds 10 to 20 kt. Seas 4 to 6 ft. .THU...HURRICANE CONDITIONS POSSIBLE. .THU NIGHT...HURRICANE CONDITIONS POSSIBLE. .FRI...HURRICANE CONDITIONS POSSIBLE. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. .SAT...W of 70W, N winds 10 to 15 kt, seas 8 to 11 ft. Elsewhere, NW winds 65 to 75 kt, diminishing to 30 to 40 kt in the afternoon,Seas 16 to 21 ft, subsiding to 13 to 18 ft in the afternoon. Bahamas N of 22N .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. .WED...E winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. .THU...NE winds less than 10 kt, shifting to N in the afternoon. Seas 3 to 4 ft. .THU NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .FRI...NW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...N winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 5 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt W of 70W, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft. .WED...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt W of 70W, and E 25 to 35 kt elsewhere. Seas 4 to 6 ft W of 70W, and 7 to 10 ft elsewhere. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. W of 70W, NE winds 15 to 25 kt. Elsewhere, E winds 45 to 55 kt, increasing to 55 to 65 kt after midnight. Seas 6 to 8 ft W of 70W, and 9 to 14 ft elsewhere. .THU...HURRICANE CONDITIONS POSSIBLE. .THU NIGHT...HURRICANE CONDITIONS POSSIBLE. .FRI...HURRICANE CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...NW winds less than 10 kt W of 70W, and W 10 to 20 kt elsewhere. Seas 7 to 10 ft. ATLC waters S of 22N W of 65W ...TROPICAL STORM WARNING... .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 30 kt. Seas 7 to 10 ft. .WED...TROPICAL STORM CONDITIONS EXPECTED. NE winds 45 to 55 kt. Seas 7 to 10 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N winds 45 to 55 kt, becoming W 30 to 40 kt after midnight. Seas 8 to 13 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...SW winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...S winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 20 to 30 kt. Seas 8 to 11 ft. .TUE...E winds 20 to 30 kt. Seas 8 to 13 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to 30 kt. Seas 8 to 11 ft. .WED...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to 30 kt. Seas 7 to 10 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to 30 kt. Seas 7 to 10 ft. .THU...SE winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 kt. Seas 4 to 6 ft. .SAT...SE winds less than 10 kt. Seas 4 to 5 ft.