375 FZNT31 KNHC 291525 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1125 AM EDT Wed Jul 29 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...Potential Tropical Cyclone Nine near 15.8N 63.7W 1006 mb at 11 AM EDT moving WNW at 20 kt. Maximum sustained winds 40 kt gusts 50 kt. PTC Nine will move to 16.9N 66.4W this evening, 18.5N 69.8W Thu morning, inland to 19.9N 73.0W Thu evening, 21.4N 76.0W Fri morning, 22.7N 78.3W Fri evening, and 23.8N 80.2W Sat morning. PTC Nine will change little in intensity as it moves to near 26.3N 82.6W early Sun Elsewhere, fresh to strong NE winds are expected tonight through Thu night across the Windward Passage and Cuba adjacent waters. Fresh trade winds will prevail over Colombia adjacent waters and in the Gulf of Honduras through tonight. NW Caribbean W of 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W ...TROPICAL STORM WARNING... .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 15 to 25 kt S of 18N, and NE 20 to 30 kt elsewhere. Seas 4 to 6 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 15 to 25 kt S of 18N, and NE 30 to 40 kt elsewhere. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .SAT...SE winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 5 ft elsewhere. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .SAT...E winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .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. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...N winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .SAT...N winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .SUN...NW winds less than 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W ...TROPICAL STORM WARNING... .THIS AFTERNOON...TROPICAL STORM CONDITIONS. NE winds 10 to 15 kt Gulf of Venezuela, and NE 30 to 40 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 5 to 7 ft elsewhere. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 10 to 15 kt Gulf of Venezuela, and E 35 to 45 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 6 to 8 ft elsewhere. .THU...TROPICAL STORM CONDITIONS POSSIBLE. Gulf of Venezuela, NE winds 10 kt. Elsewhere, SE winds 35 to 45 kt, diminishing to 15 to 25 kt in the afternoon. Seas 2 ft or less Gulf of Venezuela, and 6 to 9 ft elsewhere. .THU NIGHT...NE winds 10 kt Gulf of Venezuela, and SE 15 to 25 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .FRI...S winds less than 10 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 6 to 9 ft elsewhere. .FRI NIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Gulf of Venezuela, seas 2 ft or less, building to 3 to 5 ft after midnight. Elsewhere, seas 5 to 7 ft. .SAT...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .SAT NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .SUN...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...TROPICAL STORM CONDITIONS. SE winds 30 to 40 kt. Seas 11 to 16 ft. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 10 to 15 ft. .THU...E winds 20 to 30 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...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...SE winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Potential Tropical Cyclone Nine near 15.8N 63.7W 1006 mb at 11 AM EDT moving WNW at 20 kt. Maximum sustained winds 40 kt gusts 50 kt. PTC Nine will move to 16.9N 66.4W this evening, 18.5N 69.8W Thu morning, inland to 19.9N 73.0W Thu evening, 21.4N 76.0W Fri morning, 22.7N 78.3W Fri evening, and 23.8N 80.2W Sat morning. PTC Nine will change little in intensity as it moves to near 26.3N 82.6W early Sun. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. .THU...S winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...S winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...SE winds 10 to 20 kt. Seas 8 to 11 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...SE winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft W of 70W, and 4 to 6 ft elsewhere. .THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...S winds 10 to 20 kt. Seas 7 to 10 ft W of 70W, and 6 to 8 ft elsewhere. .FRI NIGHT...SE winds 10 to 20 kt. Seas 8 to 11 ft W of 70W, and 5 to 6 ft elsewhere. .SAT...SE winds 10 to 20 kt. Seas 8 to 11 ft W of 70W, and 5 to 6 ft elsewhere. .SAT NIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft W of 70W, and 5 ft elsewhere. .SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. Bahamas N of 22N ...TROPICAL STORM WARNING... .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 ft. .TONIGHT...E winds 15 to 25 kt. Seas 3 to 4 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. E winds 20 to 30 kt. Seas 3 to 5 ft. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 25 to 35 kt. Seas 5 to 7 ft, building to 7 to 10 ft after midnight. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. E winds 30 to 40 kt. Seas 8 to 13 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...SE winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas ...TROPICAL STORM WARNING... .THIS AFTERNOON...E winds 10 to 20 kt W of 70W, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft W of 70W, and 7 to 10 ft elsewhere. .THU...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt W of 70W, and E 20 to 30 kt elsewhere. W of 70W, seas 6 to 8 ft, building to 8 to 11 ft in the afternoon. Elsewhere, seas 10 to 15 ft. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 25 to 35 kt W of 70W, and E 20 to 30 kt elsewhere. W of 70W, seas 13 to 18 ft. Elsewhere, seas 12 to 17 ft, subsiding to 9 to 14 ft after midnight. .FRI...E winds 20 to 30 kt. Seas 14 to 19 ft W of 70W, and 8 to 11 ft elsewhere. .FRI NIGHT...E winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 10 to 15 ft W of 70W, and 6 to 8 ft elsewhere. .SAT...SE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. W of 70W, seas 8 to 13 ft, subsiding to 6 to 9 ft in the afternoon. Elsewhere, seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W ...TROPICAL STORM WARNING... .THIS AFTERNOON...E winds 20 to 30 kt. Seas 6 to 9 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 25 to 35 kt, increasing to 35 to 45 kt after midnight. Seas 8 to 11 ft, building to 11 to 16 ft after midnight. .THU...TROPICAL STORM CONDITIONS EXPECTED. E winds 35 to 45 kt. Seas 13 to 18 ft. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt. Seas 13 to 18 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 30 to 40 kt. Seas 10 to 15 ft, subsiding to 8 to 11 ft in the afternoon. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .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...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W ...TROPICAL STORM WARNING... .THIS AFTERNOON...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 11 to 16 ft. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 12 to 17 ft. .THU...E winds 20 to 30 kt. Seas 10 to 15 ft, subsiding to 8 to 11 ft in the afternoon. .THU NIGHT...E winds 15 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 15 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft.