000 FZNT31 KNHC 231348 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 848 AM EST Tue Nov 23 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 cold front extends from central Cuba to the Gulf of Honduras. It will be reinforced by a secondary cold front later today and the two will be merged from eastern Cuba to Honduras Wed. The front will then stall from Hispaniola to Nicaragua Thu and dissipate Fri. Fresh N to NE winds are expected behind the front, with locally strong NE winds possible Thu in the Windward Passage and S of Hispaniola. Showers and thunderstorms will also increase over Hispaniola and Puerto Rico late this week. Moderate northerly swell will affect the NE Caribbean passages and the Tropical N Atlantic waters beginning Thu afternoon and continuing through the weekend. NW Caribbean W of 85W .TODAY...N winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .THU NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...NE winds less than 10 kt S of 18N, and N 10 to 20 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...S of 18N, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .TODAY...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt within 90 nm of coast of Colombia, and NE less than 10 kt elsewhere. Seas 3 to 4 ft. .WED...NE winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TODAY...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .WED...N winds less than 10 kt. Seas 3 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 ft. .THU...N winds less than 10 kt. Seas 3 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI...N winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .SAT...N winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft. .WED...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 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...SE winds 10 kt. Seas 4 to 6 ft. .WED...Variable winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .THU...Variable winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .FRI...E winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 kt. Seas 5 to 7 ft. .SAT...E winds 10 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .THU...E winds less than 10 kt. 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 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. 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...A cold front stretches from just E of Bermuda to the SE Bahamas and into central Cuba. A reinforcing cold front, accelerating toward the initial front, is noted from 31N71W through the NW Bahamas and into the Florida Keys. The two fronts will merge tonight from Bermuda through the Turks and Caicos Islands and into eastern Cuba. The combined front will the track eastward, with the southern portions stalling along 20N by Thu. N of 27N, strong S winds can be expected ahead of the front with strong NW winds behind it. Gales will develop today N of 29N, to the SW of Bermuda and continue through the evening. In the wake of the front, high pressure will build in off the coast of Georgia and northern Florida on Thu. The next cold front is likely to bring fresh to strong winds Fri and Fri night to waters north of 29N. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 20 to 30 kt. Seas 8 to 11 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 5 to 7 ft. .THU NIGHT...E winds less than 10 kt, shifting to SW after midnight. Seas 4 to 6 ft. .FRI...W 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 4 to 6 ft. .SAT NIGHT...N winds 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .TODAY...NW winds 25 to 35 kt W of 70W, and W 15 to 25 kt elsewhere. W of 70W, seas 6 to 9 ft, building to 8 to 13 ft in the afternoon. Elsewhere, seas 7 to 10 ft. .TONIGHT...N winds 20 to 30 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 9 to 14 ft. .WED...N winds 15 to 25 kt. Seas 8 to 13 ft W of 70W, and 11 to 13 ft elsewhere. .WED NIGHT...NE winds 10 to 20 kt W of 70W, and N 15 to 25 kt elsewhere. Seas 8 to 12 ft. .THU...N winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...N winds 10 to 15 kt, shifting to NW after midnight. Seas 7 to 10 ft. .FRI...W winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft. Bahamas N of 22N .TODAY...N winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .SAT...N 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 from 22N to 27N between 65W and the Bahamas .TODAY...W winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. .WED...N winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 8 to 11 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 7 to 9 ft. .FRI...NE winds less than 10 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .SAT...S winds less than 10 kt, shifting to W in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...N winds less than 10 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...SW winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...W winds less than 10 kt, shifting to NW after midnight. Seas 3 to 5 ft. .WED...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt, shifting to E after midnight. Seas 4 to 6 ft. .SAT...NE winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...SE winds 10 kt. Seas 5 to 7 ft. .WED...SW winds less than 10 kt. Seas 5 to 6 ft. .WED NIGHT...Variable winds less than 10 kt, becoming NW less than 10 kt after midnight. Seas 5 to 7 ft. .THU...NW winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 15 kt. Seas 7 to 9 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 7 to 9 ft. .SAT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft.