000 FZNT31 KNHC 121506 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1106 AM EDT Tue Oct 12 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...A tropical wave along 63W will move westward through tonight, and spread fresh to strong winds and very active weather across the NE Caribbean and adjacent Atlc, including the Virgin Islands and Puerto Rico. Northerly swell has begun to reach the regional Caribbean waters this morning and will build through Wed, including the Caribbean passages. Low pres is expected to develop E of the southern Bahamas on Thu and drift eastward into the weekend. This will weaken the pressure gradient across the Caribbean basin leading to tranquil marine conditions. NW Caribbean W of 85W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 ft. .TONIGHT...E winds less than 10 kt. Seas 3 ft. .WED...E winds less than 10 kt. Seas 3 ft. .WED NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .THU...SE winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .WED...E winds less than 10 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .WED NIGHT...E winds less than 10 kt. Seas 3 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 ft. .FRI...E winds less than 10 kt. Seas 3 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 ft. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 10 to 15 kt within 90 nm of coast of Colombia, and NE less than 10 kt elsewhere. Seas 3 to 5 ft. .WED...E winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 3 to 4 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .FRI...Variable winds less than 10 kt. Seas 3 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 3 ft. .SAT...Variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. SW Caribbean S of 11N .THIS AFTERNOON...N winds less than 10 kt. Seas 3 ft. .TONIGHT...Variable winds less than 10 kt. Seas 3 ft. .WED...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 3 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 3 ft. .THU...Variable winds less than 10 kt. Seas 3 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .FRI...Variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .WED...Gulf of Venezuela, E winds 10 to 15 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, E winds 10 to 15 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .WED NIGHT...E winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 5 ft elsewhere. .THU...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft. .WED...SE winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 8 ft. .THU...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .THU NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 7 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...S winds less than 10 kt. Seas 4 to 6 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...1019 high high pres is centered near 27N61W and will drift E and weaken through the end of the week. A low level trough has developed from the SE Bahamas to near 27N71W. Very active weather is expected along and within 250 nm E of this trough through Wed as it drifts eastward. Northerly swell has arrived across the regional waters overnight and this morning and will peak this afternoon through tonight E of 70W. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...Variable winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 kt. Seas 4 to 5 ft. .WED...NE winds 10 kt. Seas 5 ft. .WED NIGHT...NE winds 10 kt. Seas 4 to 5 ft. .THU...NE winds 10 kt. Seas 4 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...NE winds 10 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...S winds less than 10 kt. Seas 6 to 7 ft. .TONIGHT...SE winds less than 10 kt. Seas 5 to 7 ft. .WED...NE winds less than 10 kt. Seas 5 to 6 ft. .WED NIGHT...NE winds less than 10 kt. Seas 5 to 6 ft. .THU...N winds less than 10 kt. Seas 4 to 5 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 5 ft. .SAT...NE winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. Bahamas N of 22N .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .WED...NE winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .THU...NE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...NE 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. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED...W of 70W, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...W of 70W, NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, SE winds less than 10 kt. Seas 5 to 7 ft. .THU...E winds less than 10 kt, shifting to N in the afternoon. Seas 5 to 6 ft. .THU NIGHT...N winds less than 10 kt. Seas 4 to 5 ft. .FRI...N winds less than 10 kt. Seas 4 to 5 ft. .FRI NIGHT...N winds less than 10 kt. Seas 4 to 5 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 15 kt, shifting to S in the afternoon. Seas 5 to 7 ft. .WED NIGHT...SW winds less than 10 kt. Seas 4 to 6 ft. .THU...W winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...W winds less than 10 kt. Seas 3 to 5 ft. .FRI...NW winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. .SAT...NW winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 9 ft. .TONIGHT...E winds 10 to 15 kt. Seas 8 to 9 ft. .WED...SE winds 10 to 15 kt. Seas 7 to 9 ft. .WED NIGHT...SE winds less than 10 kt. Seas 6 to 8 ft. .THU...S winds 10 kt. Seas 6 to 7 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...SW winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SW winds 10 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds less than 10 kt. Seas 4 to 5 ft.