000 FZNT31 KNHC 151512 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1112 AM EDT Fri Oct 15 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...An upper level trough extending from the Bahamas to the NW Caribbean will support active weather across the central Caribbean and extreme NE Caribbean today. A weak pressure gradient across the Caribbean basin will lead to tranquil marine conditions. A cold front will enter the NW Atlc over the weekend and move SE, and bring a return to moderate trade winds to the Caribbean Mon night. NW Caribbean W of 85W .THIS AFTERNOON...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...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, building to 3 ft after midnight. .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, building to 3 ft after midnight. .MON...NE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E 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 ft. .TONIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds less than 10 kt. 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...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...E winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...Variable winds less than 10 kt. Seas 3 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 ft. .SAT...E winds less than 10 kt. Seas 3 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 ft. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 ft. .MON...E winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .TUE...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. SW Caribbean S of 11N .THIS AFTERNOON...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 ft or less. .SAT NIGHT...SW winds less than 10 kt. Seas 2 ft or less. .SUN...W winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .MON...Variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .TUE...Variable winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .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 less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...S winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .SAT...S winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...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 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Low pres 1004 mb near 26.7N57W will accelerate NE and exit the region through tonight. Active weather associated with this system will persist across the SE waters through this evening. A cold front will move southeastward off the SE U.S. coast and across Florida by the end of the weekend, reaching from Bermuda to the Florida Keys by Mon morning. Expect fresh to strong N to NE winds behind the front through Mon morning. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NE winds 10 kt. Seas 4 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds less than 10 kt, shifting to W after midnight. Seas 3 to 5 ft. .SUN...N winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...N winds 10 to 15 kt W of 70W, and NW less than 10 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .SAT...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 5 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming W less than 10 kt after midnight. Seas 3 to 4 ft. .SUN...W winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .MON...N winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. Bahamas N of 22N .THIS AFTERNOON...NE winds less than 10 kt. Seas 3 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 ft. .SAT...Variable winds less than 10 kt. Seas 3 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .SUN...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 2 ft or less. .SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...N winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 4 to 5 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SUN...Variable winds less than 10 kt, becoming W less than 10 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .MON...Variable winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...NW winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .SUN...Variable winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft. .MON...NE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...E winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...SW winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...SW winds less than 10 kt. Seas 4 to 5 ft. .SUN...Variable winds less than 10 kt. Seas 4 to 5 ft. .SUN NIGHT...Variable winds less than 10 kt. Seas 4 ft. .MON...Variable winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .TUE...E winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 kt. Seas 3 to 4 ft.