000 FZNT31 KNHC 201547 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1147 AM EDT Thu Aug 20 2020 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 Depression Thirteen near 16.0N 52.0W 1008 mb at 11 AM EDT moving WNW at 18 kt. Maximum sustained winds 30 kt gusts 40 kt. Thirteen will strengthen to a tropical storm near 17.0N 54.7W this evening, move to 18.0N 58.3W Fri morning, 18.9N 61.6W Fri evening, 19.6N 64.7W Sat morning, 20.4N 68.1W Sat evening, and 21.5N 71.8W Sun morning. Thirteen will strengthen to a hurricane near 24.0N 78.6W by early Mon. Tropical Depression Fourteen near 15.1N 79.7W 1007 mb at 11 AM EDT moving W at 18 kt. Maximum sustained winds 30 kt gusts 40 kt. Fourteen will strengthen to a tropical storm near 15.5N 81.9W this evening, move to 16.3N 84.2W Fri morning, 17.1N 85.5W Fri evening, 18.4N 86.4W Sat morning, 19.9N 87.4W Sat evening, and 21.5N 88.9W Sun morning. Fourteen will change little in intensity as it moves to near 25.0N 92.0W by early Mon. NW Caribbean W of 85W ...TROPICAL STORM WARNING... .THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .FRI...TROPICAL STORM CONDITIONS EXPECTED. E winds 10 to 15 kt, increasing to 30 to 40 kt in the afternoon. Seas 3 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 40 to 50 kt. Seas 4 to 6 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 45 to 55 kt. Seas 6 to 8 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 20 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W ...TROPICAL STORM WARNING... .THIS AFTERNOON...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 20 to 30 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. S of 18N, E winds 25 to 35 kt, becoming SE 35 to 45 kt in the afternoon. Elsewhere, E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S of 18N, SE winds 30 to 40 kt, becoming E 15 to 25 kt after midnight. Elsewhere, E winds 15 to 25 kt. Seas 4 to 6 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .MON...TROPICAL STORM CONDITIONS POSSIBLE. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...S winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 ft. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .THIS AFTERNOON...W winds less than 10 kt. Seas 3 ft. .TONIGHT...NW winds less than 10 kt, shifting to SW after midnight. Seas 3 to 4 ft. .FRI...Variable winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 3 ft. .SAT...Variable winds less than 10 kt, becoming SE less than 10 kt in the afternoon. Seas 3 ft. .SAT NIGHT...S winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .SUN...S winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .MON...SE winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .FRI...E winds 10 to 20 kt. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...Gulf of Venezuela, E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt Gulf of Venezuela, and SE 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .SUN...Variable winds less than 10 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .SUN 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. .MON...E winds 10 to 20 kt. 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 ...TROPICAL STORM WARNING... .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 25 to 35 kt. Seas 5 to 7 ft. .FRI...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt. Seas 6 to 9 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 35 to 45 kt. Seas 5 to 7 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 30 to 40 kt, becoming E 10 to 20 kt in the afternoon. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 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 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Tropical Depression Thirteen near 16.0N 52.0W 1008 mb at 11 AM EDT moving WNW at 18 kt. Maximum sustained winds 30 kt gusts 40 kt. Thirteen will strengthen to a tropical storm near 17.0N 54.7W this evening, move to 18.0N 58.3W Fri morning, 18.9N 61.6W Fri evening, 19.6N 64.7W Sat morning, 20.4N 68.1W Sat evening, and 21.5N 71.8W Sun morning. Thirteen will strengthen to a hurricane near 24.0N 78.6W by early Mon. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...SW winds 10 kt. Seas 4 to 5 ft. .TONIGHT...S winds 10 to 15 kt. Seas 4 ft. .FRI...S winds 10 kt. Seas 4 ft. .FRI NIGHT...S winds 10 kt. Seas 3 to 4 ft. .SAT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...SW winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...S winds less than 10 kt. Seas 4 ft. .FRI...S winds less than 10 kt. Seas 4 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 4 ft. .SAT...W of 70W, SE winds 10 to 15 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft W of 70W, and 5 to 7 ft elsewhere. .MON...TROPICAL STORM CONDITIONS POSSIBLE. Bahamas N of 22N .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 ft. .FRI...SE winds 10 to 15 kt. Seas 3 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...HURRICANE CONDITIONS POSSIBLE. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt W of 70W, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft W of 70W, and 6 to 9 ft elsewhere. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. ATLC waters S of 22N W of 65W ...TROPICAL STORM WARNING... .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 25 kt. Seas 4 to 6 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 40 to 50 kt. Seas 7 to 10 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. ATLC waters from 19N to 22N between 55W and 65W ...TROPICAL STORM WARNING... .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 7 ft. .TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. E winds 20 to 30 kt, increasing to 30 to 40 kt in the afternoon. Seas 7 to 10 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt, increasing to 40 to 50 kt after midnight. Seas 8 to 13 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 40 to 50 kt, diminishing to 30 to 40 kt in the afternoon. Seas 8 to 13 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft.