000 FZNT31 KNHC 191458 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1058 AM EDT Thu Aug 19 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 Grace near 20.2N 88.8W 994 mb at 11 AM EDT moving W at 16 kt. Maximum sustained winds 55 kt gusts 65 kt. Grace will continue to move west of the area today, with marine conditions gradually improving through tonight. Otherwise, moderate to fresh trade winds will dominate elsewhere, except for locally fresh to strong winds in the Gulf of Honduras and south- central Caribbean through tonight. NW Caribbean W of 85W ...TROPICAL STORM WARNING... .THIS AFTERNOON...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 35 to 45 kt, diminishing to 20 to 30 kt in the afternoon. Seas 9 to 14 ft. .TONIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...E winds 15 to 25 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 3 to 5 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 20 kt S of 18N, and E 20 to 30 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .SAT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft. .SAT NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft. .SUN...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .MON...E winds 20 to 30 kt S of 18N, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...E 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 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. SW Caribbean S of 11N .THIS AFTERNOON...W winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...W winds less than 10 kt. Seas 3 to 4 ft. .FRI...NW winds 10 to 15 kt, shifting to SW in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...W winds less than 10 kt, shifting to S after midnight. Seas 3 to 4 ft. .SAT...S winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...N winds less than 10 kt, shifting to E after midnight. Seas 3 ft. .SUN...SE winds less than 10 kt, shifting to NE in the afternoon. Seas 3 ft. .SUN NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .MON...NW winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. 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 Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .SAT NIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 5 ft. .SUN...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .SUN NIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .MON...E winds 10 to 20 kt Gulf of Venezuela, and E 20 to 30 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 15 to 25 kt. Seas 4 to 6 ft. .TONIGHT...E 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. .SAT NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...E winds 15 to 25 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...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 .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. .FRI...E winds 10 to 20 kt. Seas 3 to 5 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. .SAT NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Tropical Storm Henri near 29.5N 70.5W 995 mb at 11 AM EDT moving W at 9 kt. Maximum sustained winds 60 kt gusts 75 kt. Henri will move to 29.7N 71.9W this evening, 30.4N 72.9W Fri morning, strengthen to a hurricane near 31.9N 72.9W Fri evening, 34.4N 72.0W Sat morning. Otherwise, moderate to fresh E to SE winds will prevail E and across the Bahamas Fri through Mon, except for fresh to locally strong winds at night N of Hispaniola and the approaches to the Windward Passage. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...N winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...N winds less than 10 kt, shifting to NW after midnight. Seas 4 to 6 ft. .FRI...NW winds 10 to 15 kt, shifting to W in the afternoon. Seas 6 to 9 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...S winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .MON...S winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W ...TROPICAL STORM WARNING... .THIS AFTERNOON...TROPICAL STORM CONDITIONS. N winds 50 to 60 kt W of 70W, and S 45 to 60 kt elsewhere. Seas 8 to 11 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. NW winds 45 to 60 kt W of 70W, and S 20 to 30 kt elsewhere. Seas 9 to 14 ft W of 70W, and 6 to 9 ft elsewhere. .FRI...TROPICAL STORM CONDITIONS EXPECTED. SW winds 50 to 60 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 9 to 14 ft W of 70W, and 5 to 7 ft elsewhere. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 70W, SW winds 40 to 50 kt, diminishing to 15 to 25 kt after midnight. Elsewhere, S winds 15 to 25 kt. Seas 7 to 10 ft W of 70W, and 5 to 7 ft elsewhere. .SAT...S winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 4 to 5 ft. .SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...S winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 4 to 5 ft. .MON...S winds less than 10 kt. Seas 4 to 5 ft. Bahamas N of 22N .THIS AFTERNOON...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 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. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .SAT...SE winds 10 to 20 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .MON...E winds 10 to 20 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .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. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 4 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 15 to 25 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .FRI...E winds 15 to 20 kt. Seas 6 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. .SAT...E winds 15 to 20 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. .SUN...E winds 15 to 20 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft.