000 FZNT31 KNHC 270320 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1120 PM EDT Thu Aug 26 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...Tropical Storm Ida near 18.6N 80.5W 1006 mb at 11 PM EDT moving NW at 10 kt. Maximum sustained winds 35 kt gusts 45 kt. Ida will move to 19.9N 82.0W Fri morning, 21.8N 83.9W Fri evening, strengthen to a hurricane near 23.8N 85.9W Sat morning, 25.6N 88.0W Sat evening, 27.3N 89.6W Sun morning, and 29.0N 90.6W Sun evening. Ida will weaken to a tropical storm while moving inland over 32.0N 91.0W by late Mon. Moderate to fresh winds are expected elsewhere through the forecast period, except for locally strong winds in the south-central Caribbean through the weekend. NW Caribbean W of 85W .OVERNIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. N winds 10 to 15 kt. Seas 2 ft or less. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N winds 10 to 20 kt, shifting to E after midnight. Seas 5 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. S winds 10 to 20 kt. Seas 5 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 5 to 6 ft. .SUN...SE winds 10 to 20 kt. Seas 5 to 6 ft. .SUN NIGHT...SE winds 15 to 25 kt. Seas 5 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 5 to 6 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 5 ft. .TUE...SE winds 10 to 20 kt. Seas 5 ft. Caribbean N of 15N between 72W and 85W ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 15 to 25 kt S of 18N, and E 30 to 40 kt elsewhere. Seas 5 to 6 ft. .FRI...TROPICAL STORM CONDITIONS EXPECTED. SE winds 10 to 20 kt S of 18N, and SE 40 to 50 kt elsewhere. Seas 5 to 7 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S of 18N, E winds 10 to 20 kt. Elsewhere, SE winds 40 to 50 kt, diminishing to 30 to 40 kt after midnight. Seas 5 to 6 ft. .SAT...E winds 15 to 25 kt S of 18N, and SE 15 to 25 kt elsewhere. Seas 5 to 6 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 ft. .MON...E winds 10 to 20 kt. Seas 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft S of 18N, and 2 ft or less elsewhere. .TUE...E winds 10 to 20 kt. Seas 5 ft S of 18N, and 2 ft or less elsewhere. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 10 to 20 kt. Seas 5 ft. .FRI...E winds 15 to 25 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 5 to 6 ft. .SAT...E winds 15 to 25 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 5 to 6 ft. .SUN...E winds 15 to 25 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 6 ft. SW Caribbean S of 11N .OVERNIGHT...W winds less than 10 kt. Seas 2 ft or less. .FRI...SW winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...NW winds less than 10 kt. Seas 2 ft or less. .SAT...NW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .SAT NIGHT...NW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 ft. .SUN...W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 ft. .SUN NIGHT...W winds less than 10 kt. Seas 5 ft. .MON...W winds 10 to 15 kt. Seas 5 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 5 ft. .TUE...SW winds 10 to 20 kt. Seas 5 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 5 ft elsewhere. .FRI...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 5 to 6 ft elsewhere. .FRI NIGHT...E winds 15 to 25 kt. Seas 5 to 6 ft. .SAT...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 5 to 6 ft. .SAT NIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .MON...E winds 10 to 20 kt. Gulf of Venezuela, seas 5 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 5 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 5 ft elsewhere. .TUE...NE winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Gulf of Venezuela, seas 2 ft or less. Elsewhere, seas 5 ft in the morning, subsiding to 2 ft or less. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 ft. .MON...E winds less than 10 kt. Seas 5 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .TUE...SE winds less than 10 kt. Seas 2 ft or less. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 ft. .MON...E winds 10 to 15 kt. Seas 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .TUE...E winds 10 to 15 kt. Seas 2 ft or less. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...High pressure located just N of the forecast region will dominate the SW N Atlantic through Mon supporting gentle to moderate E to SE winds. Fresh winds are expected to pulse N of Hispaniola during the evening hours through Sat night. Otherwise, a low pressure is forecast to develop E of the Bahamas by early next week. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 6 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. Seas 5 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 ft. .SUN...E winds 10 to 15 kt. Seas 5 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...E winds 10 kt. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .TUE...S winds 10 kt. Seas 2 ft or less. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...E winds 10 to 15 kt. Seas 5 ft. .FRI...E winds 10 to 20 kt. Seas 5 ft. .FRI NIGHT...W of 70W, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, shifting to SE after midnight. Seas 5 ft. .SAT...E winds 10 to 15 kt W of 70W, and NW less than 10 kt elsewhere. Seas 5 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...W of 70W, E winds 10 to 15 kt. Elsewhere, N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SUN...NE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .MON...NE winds less than 10 kt. Seas 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 5 ft. .TUE...SE winds less than 10 kt. Seas 5 ft. Bahamas N of 22N .OVERNIGHT...E winds 10 to 20 kt. Seas 2 ft or less. .FRI...E winds 10 to 20 kt. Seas 2 ft or less. .FRI NIGHT...E winds 10 to 20 kt. Seas 2 ft or less. .SAT...E winds 10 to 20 kt. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SUN...E winds 10 to 15 kt. Seas 2 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. .TUE...SE winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds 10 to 15 kt. Seas 5 ft. .FRI...SE winds 10 to 15 kt. Seas 5 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 5 ft. .SAT...W of 70W, SE winds 10 to 15 kt. Elsewhere, SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 5 ft. .SAT NIGHT...E winds 10 to 15 kt W of 70W, and NE less than 10 kt elsewhere. Seas 2 ft or less. .SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .SUN NIGHT...N winds less than 10 kt. Seas 2 ft or less. .MON...N winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...N winds less than 10 kt. Seas 2 ft or less. .TUE...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds 10 to 20 kt. Seas 2 ft or less. .FRI...E winds 10 to 20 kt. Seas 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 ft. .SAT...E winds 10 to 20 kt. Seas 5 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 5 ft. .SUN...E winds 10 to 20 kt. Seas 5 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...NE winds 10 to 20 kt. Seas 2 ft or less. .MON...NE winds 10 to 15 kt. Seas 2 ft or less. .MON NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SAT...NE winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 5 ft. .SUN NIGHT...N winds less than 10 kt. Seas 5 ft in the evening, subsiding to 2 ft or less. .MON...NW winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...W winds less than 10 kt. Seas 2 ft or less. .TUE...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 2 ft or less.