000 FZNT31 KNHC 280655 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 255 AM EDT Thu Oct 28 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 weak ridge over the northern Caribbean Sea will support mainly gentle to moderate trade winds across the basin. Gentle to moderate SE to S winds will prevail over the NW Caribbean through tonight ahead of a cold front forecast to reach western Cuba and the NW Caribbean. The front will extend from western Cuba to the Gulf of Honduras by midday Fri, from central Cuba to NE Honduras on Fri night, then stall from eastern Cuba to near Cabo Gracias a Dios, Nicaragua over the weekend while dissipating. NW Caribbean W of 85W .TODAY...S winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NW winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .SUN...N winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .MON...NE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt S of 18N, and S less than 10 kt elsewhere. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .TODAY...Within 90 nm of coast of Colombia, E winds 10 to 20 kt, becoming SE less than 10 kt in the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .FRI...Within 90 nm of coast of Colombia, S winds less than 10 kt. Elsewhere, E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT...NE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .SUN...E winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TODAY...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .FRI...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 3 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt, becoming W less than 10 kt after midnight. Seas 2 ft or less. .SUN...SW 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...N winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 4 to 6 ft. .TONIGHT...Gulf of Venezuela, NE winds less than 10 kt, shifting to E after midnight. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI...Gulf of Venezuela, E winds 10 to 15 kt, shifting to SE in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI NIGHT...E winds 10 to 15 kt. Gulf of Venezuela, seas 2 ft or less, building to 3 ft after midnight. Elsewhere, seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON 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 .TODAY...SE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...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 5 ft. .SAT NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .SUN...E winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .MON...NE winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 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 to 5 ft. .SUN...E 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...NE winds less than 10 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A frontal boundary extending from 31N65W to the central Bahamas will shift eastward while dissipating. Fresh to strong winds are mainly N of 28N ahead of the front. The next cold front from will sweep across the region Thu night through Fri night, then stall from 31N68W to eastern Cuba over the weekend. Fresh to strong winds and building seas are expected on either side of this front. ATLC waters from 27N to 31N W of 77W .TODAY...S winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...SW winds 15 to 25 kt. Seas 5 to 7 ft. .FRI...SW winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...W winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...W winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...W winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .MON...N winds 10 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...W of 70W, W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, W winds 10 to 20 kt. Seas 5 to 7 ft W of 70W, and 7 to 10 ft elsewhere. .TONIGHT...W of 70W, SW winds less than 10 kt, increasing to 10 to 20 kt after midnight. Elsewhere, W winds 10 to 15 kt. Seas 6 to 8 ft W of 70W, and 7 to 10 ft elsewhere. .FRI...SW winds 10 to 20 kt W of 70W, and SW less than 10 kt elsewhere. Seas 7 to 9 ft. .FRI NIGHT...W of 70W, SW winds 10 to 20 kt. Elsewhere, SW winds less than 10 kt, shifting to S after midnight. Seas 7 to 10 ft. .SAT...SW winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...W winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NW winds 10 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds less than 10 kt. Seas 4 to 5 ft. Bahamas N of 22N .TODAY...SW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. .TONIGHT...SW winds 10 to 15 kt. Seas 2 ft or less. .FRI...SW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt, shifting to NW in the afternoon. Seas 3 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .MON...NE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SW winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SW winds less than 10 kt W of 70W, and SW 10 to 15 kt elsewhere. Seas 4 to 6 ft. .FRI...S winds 10 to 15 kt W of 70W, and SW less than 10 kt elsewhere. Seas 5 to 7 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...S winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...S winds 10 to 15 kt, shifting to SW in the afternoon. Seas 5 to 7 ft. .SUN NIGHT...SW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .MON...NE winds less than 10 kt. Seas 4 to 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TODAY...S winds less than 10 kt. Seas 3 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 ft. .FRI...SE winds less than 10 kt. Seas 3 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SAT...SE winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN...E 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 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...S winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .SAT...E winds less than 10 kt. Seas 5 to 6 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 5 to 6 ft. .SUN...NE winds less than 10 kt. Seas 5 to 6 ft. .SUN NIGHT...NE winds 10 kt. Seas 5 to 6 ft. .MON...NE winds 10 kt. Seas 5 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft.