000 FZNT31 KNHC 270919 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 519 AM EDT Wed Oct 27 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 moderate to fresh trades across the south-central Caribbean, including the Gulf of Venezuela through early Thu. Gentle to moderate SE to S winds will prevail over the NW Caribbean through Thu night 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, and from central Cuba to NE Honduras on Sat, then stall on Sun from eastern Cuba to near Cabo Gracias a Dios, Nicaragua while dissipating. NW Caribbean W of 85W .TODAY...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...S winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .FRI...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...N 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, shifting to NE after midnight. Seas 4 to 6 ft. .SUN...NE winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt S of 18N, and SE less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .THU NIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .FRI...S winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...Variable winds less than 10 kt, becoming N less than 10 kt after midnight. Seas 3 to 4 ft. .SAT...NE winds less than 10 kt. Seas 3 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 ft. SW Caribbean S of 11N .TODAY...NE winds less than 10 kt, shifting to SW in the afternoon. Seas 3 to 5 ft. .TONIGHT...W winds less than 10 kt. Seas 3 to 5 ft. .THU...SW winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...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 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 SW less than 10 kt after midnight. Seas 2 ft or less. .SUN...SW winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...S winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .THU...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. .THU NIGHT...Variable winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...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 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. .THU...E winds 10 to 15 kt, diminishing to less than 10 kt 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 5 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN 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 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...E winds less than 10 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 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extending from 31N70W to south-central Florida will reach from 31N67W to the Straits of Florida today and from 31N65W to the central Bahamas by tonight. The front will dissipate over the SE waters on Thu. The next cold front is expected to sweep across the region Thu night through Fri night, then stall from 31N68W to eastern Cuba during the upcoming weekend. Fresh to strong winds and building seas are expected on either side of these fronts. ATLC waters from 27N to 31N W of 77W .TODAY...NW winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .THU...SE winds less than 10 kt, becoming S 10 to 20 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...SW winds 15 to 25 kt. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. .FRI...SW winds 20 to 30 kt. Seas 7 to 10 ft. .FRI NIGHT...W winds 20 to 30 kt. Seas 7 to 10 ft. .SAT...W winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...W winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...W winds 10 to 20 kt W of 70W, and SW 15 to 25 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...W winds 10 to 20 kt. Seas 6 to 8 ft. .THU...W of 70W, NW winds 10 to 15 kt, shifting to SW in the afternoon. Elsewhere, W winds 10 to 20 kt. Seas 5 to 7 ft W of 70W, and 6 to 9 ft elsewhere. .THU NIGHT...SW winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...SW winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...SW winds 10 to 20 kt. 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 7 to 10 ft. .SUN...SW winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft. Bahamas N of 22N .TODAY...W winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .TONIGHT...W winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .THU...SW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 ft or less. .FRI...SW winds 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. .SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 3 to 4 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, building to 3 ft after midnight. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SW winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...W of 70W, W winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, SW winds 10 to 15 kt. Seas 4 to 6 ft. .THU...SW winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SW winds less than 10 kt W of 70W, and W 10 to 15 kt elsewhere. Seas 4 to 6 ft. .FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...S winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 6 ft. .SUN NIGHT...S winds less than 10 kt, shifting to E after midnight. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...S winds less than 10 kt. Seas 3 ft. .TONIGHT...S winds less than 10 kt. Seas 3 ft. .THU...S winds less than 10 kt. Seas 3 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 ft. .FRI...S winds less than 10 kt. Seas 3 ft. .FRI NIGHT...SE 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, shifting to SE after midnight. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 kt. Seas 4 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .THU...SE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .SAT...E winds less than 10 kt. Seas 5 ft. .SAT NIGHT...E winds 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.