000 FZNT31 KNHC 041515 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1115 AM EDT Fri Oct 4 2019 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...Numerous showers and thunderstorms over south of Cuba to near 17N and between 77W and 82W are expected to continue through at least late Sat night as an upper-level trough just to the north of the western Caribbean shifts eastward. A tropical wave is crossing the Lesser Antilles this morning. This wave will move across the eastern Caribbean this afternoon through Sat night, then across the central Caribbean through Mon and the western Caribbean Mon night through Tue night. Moderate to fresh trades will continue over the central and eastern Caribbean through the period. Light and variable winds over the northwestern Caribbean will become generally light southeast to south winds late on Sun. Northerly swell associated with a cold front north of the area will build seas east of the Lesser Antilles Mon through Tue night. NW Caribbean W of 85W .THIS AFTERNOON...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT...SW winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SUN...Variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 2 ft or less. .MON...S winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .TUE...SE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...SE winds 10 to 15 kt S of 18N, and S less than 10 kt elsewhere. Seas 3 to 4 ft. .TONIGHT...S of 18N, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, SE winds less than 10 kt. Seas 3 ft. .SAT...S of 18N, SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 ft. .SUN...SE winds less than 10 kt. Seas 3 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .MON...SE winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...Within 90 nm of coast of Colombia, NE winds 10 to 20 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...Within 90 nm of coast of Colombia, E winds 10 to 15 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .THIS AFTERNOON...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...N winds less than 10 kt. Seas 3 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NW winds less than 10 kt. Seas 3 ft. .SUN...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 3 ft. .SUN NIGHT...Variable winds less than 10 kt. Seas 3 ft. .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 3 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...Gulf of Venezuela, E winds 10 to 15 kt. Elsewhere, E winds 10 to 15 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 4 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. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E 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. .SUN...E 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 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...E 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. .SUN...E winds 10 to 15 kt. Seas 4 to 6 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. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A trough northeast of the Bahamas will weaken through Sat. A cold front will move into the northern waters on Sat followed by strong higher pressure. The resultant pressure gradient is expected to bring strong to near gale force northeast to east winds across the northeast and north-central sections of the area beginning late on Sat and continue through Mon afternoon. Along with the increasing winds, seas will build over these same waters, with northerly swell propagating through the remainder of the waters northeast and east of the Bahamas through Mon evening. The swell will subside on Tue. Scattered showers and thunderstorms will accompany the front. The front will stall and weaken Sun night, then lift northward as a warm front Mon. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NE winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 15 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON...E winds 10 to 15 kt. Seas 7 to 9 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 7 to 8 ft. .TUE...Variable winds less than 10 kt. Seas 6 to 7 ft. .TUE NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...NE winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...NE winds less than 10 kt. Seas 4 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft, building to 5 to 7 ft in the afternoon. .SAT NIGHT...E winds 15 to 25 kt W of 70W, and NE 15 to 25 kt elsewhere. Seas 7 to 10 ft. .SUN...E winds 15 to 25 kt. Seas 8 to 13 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 9 to 14 ft. .MON...SE winds 15 to 25 kt. Seas 8 to 13 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 8 to 11 ft. .TUE...S to SW winds 10 to 15 kt. Seas 6 to 9 ft. .TUE NIGHT...SW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 5 to 7 ft. Bahamas N of 22N .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 ft. .SAT...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 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 15 kt. Seas 3 to 5 ft. .MON...SE winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .TUE...S winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...Variable winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...Variable winds less than 10 kt. Seas 4 ft. .SAT...Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...W of 70W, E winds 10 to 15 kt. Elsewhere, Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 3 to 5 ft. .SUN...SE winds less than 10 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft. .MON...SE winds 10 to 15 kt. Seas 7 to 10 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. .TUE...SE winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .SAT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 ft. .SUN...SE winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...SE winds less than 10 kt. Seas 5 to 7 ft. .SAT...SE winds 10 kt. Seas 5 to 6 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 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 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 7 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft.