000 FZNT31 KNHC 130938 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 438 AM EST Tue Dec 13 2022 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...Weak high pressure ridging north of the Caribbean Sea is allowing for gentle to moderate northeast to east trade winds across the basin, except for fresh to pulsing locally strong NE to E winds offshore Colombia. Little change is expected through tonight. Then, winds will increase slightly across the basin beginning Wed as high pressure builds to the east of Florida. Large long-period N to NE swell will continue to propagate through the NE Caribbean passages and affect the Tropical N Atlantic waters for much of the week. Another large set of N swell is forecast to begin to propagate through the Tropical N Atlantic waters starting late on Fri. NW Caribbean W of 85W .TODAY...E winds 10 to 15 kt. Seas 3 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. 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...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .WED...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .WED NIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .THU...E winds 15 to 25 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds less than 10 kt. Seas 6 to 9 ft. .TONIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extends from 31N62W to Grand Bahama Island. The front will reach from near 30N55W to the central Bahamas this evening, then weaken on Wed as high pressure builds in east of Florida. Moderate to fresh N winds will come in behind this front today. Large long-period N to NE swell will continue to affect much of the area for the next couple of days. A large and powerful low pressure system north of the area will bring strong to near gale force W winds Wed night through Thu night to the waters east of 65W and north of 27N. Very large seas can be expected in this area. Farther west, fresh to strong southerly winds are expected to develop offshore NE Florida beginning Wed night as a strong cold front approaches the southeastern U.S. coast. The front is forecast to move off the coast late Thu, reach from near 31N75W to West Palm Beach, Florida early Fri, and from near 31N64W to the Florida Keys early Sat. The fresh to strong southerly winds will shift eastward across the northern and central waters through Sat, while fresh west to northwest winds are expected behind the front. ATLC waters from 27N to 31N W of 77W .TODAY...NE winds 10 to 20 kt. Seas 8 to 11 ft. .TONIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft. .WED...SE winds 10 to 15 kt. Seas 7 to 8 ft. .WED NIGHT...S winds 10 to 20 kt. Seas 7 to 8 ft. .THU...S winds 15 to 25 kt. Seas 7 to 9 ft. .THU NIGHT...SW winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...NW winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 5 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...N winds 10 to 20 kt. Seas 9 to 11 ft. .TONIGHT...N winds 10 to 15 kt, shifting to NE after midnight. Seas 8 to 10 ft. .WED...W of 70W, N winds less than 10 kt. Elsewhere, N winds less than 10 kt, shifting to NW in the afternoon. Seas 8 to 10 ft. .WED NIGHT...SE winds less than 10 kt W of 70W, and NW 10 to 15 kt elsewhere. Seas 7 to 9 ft. .THU...SW winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...SW winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 8 to 11 ft. .SAT...W winds 10 to 15 kt, shifting to NW in the afternoon. Seas 8 to 11 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft. Bahamas N of 22N .TODAY...NE winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...S winds less than 10 kt. Seas 3 to 5 ft. .FRI...S winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 ft. .SAT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W of 70W, N winds 10 to 15 kt. Elsewhere, SW winds less than 10 kt, shifting to W in the afternoon. Seas 8 to 10 ft. .TONIGHT...N winds 10 to 15 kt. Seas 7 to 10 ft. .WED...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 7 to 9 ft. .WED NIGHT...E winds 10 to 15 kt W of 70W, and NE less than 10 kt elsewhere. Seas 8 to 9 ft. .THU...E winds less than 10 kt. Seas 6 to 8 ft. .THU NIGHT...SE winds less than 10 kt. Seas 6 to 7 ft. .FRI...S winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds less than 10 kt. Seas 6 to 8 ft. .SAT...S winds less than 10 kt. Seas 6 to 8 ft. .SAT NIGHT...S winds less than 10 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .TODAY...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 5 to 7 ft. .TONIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. .WED...E winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .SAT...E winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...Variable winds less than 10 kt. Seas 8 to 9 ft. .TONIGHT...Variable winds less than 10 kt. Seas 7 to 8 ft. .WED...Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. Seas 7 to 8 ft. .WED NIGHT...E winds less than 10 kt. Seas 7 to 8 ft. .THU...NE winds less than 10 kt. Seas 7 to 8 ft. .THU NIGHT...NE winds less than 10 kt. Seas 7 to 8 ft. .FRI...NE winds 10 kt. Seas 7 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .SAT...NE winds 10 to 15 kt. Seas 8 to 10 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 8 to 10 ft.