000 FZNT31 KNHC 121446 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 946 AM EST Mon Dec 12 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...A weakening cold front extending from 18N55W to Martinique is forecast to dissipate by early Tue. In the wake of this front, weak high pressure ridging north of the Caribbean Sea is allowing for 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 Tue night. Then, winds will increase slightly across the basin during the middle of the week 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. NW Caribbean W of 85W .TODAY...E winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 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...S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI 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 S of 18N, and E less than 10 kt elsewhere. Seas 3 to 4 ft. .TONIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt late. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...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...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TUE...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. .TUE NIGHT...E winds 15 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 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 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...N to NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt, shifting to N in the afternoon. Seas 6 to 8 ft. .FRI NIGHT...N to NE winds less than 10 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...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 10 to 20 kt. 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 15 kt. Seas 5 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...Variable winds less than 10 kt. Seas 6 to 9 ft. .TONIGHT...E winds less than 10 kt. Seas 6 to 9 ft. .TUE...E winds less than 10 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds less than 10 kt. Seas 6 to 8 ft. .WED...E winds less than 10 kt. Seas 6 to 8 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 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI 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 .TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 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. .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 8 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extends from 31N72W to the NW Bahamas and to Fort Pierce, Florida. The front will reach from near 30N55W to the central Bahamas to West Palm Beach, Florida Tue evening, then weaken on Wed as high pressure builds in east of Florida. Moderate to fresh N winds will come in behind this front tonight into Tue. Large long-period N to NE swell will continue to affect much of the area for the next couple of days. Looking ahead, fresh to strong southerly winds are expected to develop offshore NE Florida beginning late 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 31N76W to Stuart, Florida early Fri, and from 31N70W to the NW Bahamas to Havana, Cuba by late Fri night. The fresh to strong southerly winds will shift eastward across the northern and central waters, while fresh west to northwest winds follow in behind the front. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 10 to 15 kt. Seas 8 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .TUE...NE winds 10 to 20 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft. .WED...SE winds 10 to 15 kt. Seas 7 to 9 ft. .WED NIGHT...S winds 10 to 20 kt. Seas 7 to 8 ft. .THU...S winds 15 to 25 kt. Seas 7 to 8 ft. .THU NIGHT...SW winds 15 to 20 kt. Seas 6 to 9 ft. .FRI...W winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...W of 70W, NW winds 10 to 15 kt. Elsewhere, NW winds less than 10 kt, shifting to W in the afternoon. Seas 8 to 12 ft. .TONIGHT...N winds 10 to 20 kt. Seas 9 to 12 ft. .TUE...N winds 10 to 20 kt. Seas 9 to 11 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 8 to 10 ft. .WED...NW winds less than 10 kt. Seas 8 to 10 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 7 to 9 ft. .THU...E winds 10 to 15 kt, shifting to S in the afternoon. Seas 7 to 10 ft. .THU NIGHT...S 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. Bahamas N of 22N .TODAY...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .TUE...NE winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...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 3 to 5 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W of 70W, S to SW winds less than 10 kt. Elsewhere, N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 8 to 11 ft. .TONIGHT...W of 70W, NW winds 10 to 15 kt. Elsewhere, Variable winds less than 10 kt, becoming W less than 10 kt after midnight. Seas 8 to 10 ft. .TUE...W of 70W, N winds 10 to 15 kt. Elsewhere, W winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 8 to 9 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 7 to 9 ft. .WED...NE winds 10 to 15 kt. Seas 7 to 9 ft. .WED NIGHT...NE winds less than 10 kt. Seas 8 to 9 ft. .THU...E winds less than 10 kt. Seas 6 to 8 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .FRI...S winds 10 to 15 kt. Seas 6 to 7 ft. .FRI NIGHT...S winds 10 kt. Seas 6 to 8 ft. ATLC waters S of 22N W of 65W .TODAY...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 6 to 9 ft. .TONIGHT...NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .TUE...Variable winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...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. ATLC waters from 19N to 22N between 55W and 65W .TODAY...Variable winds less than 10 kt. Seas 10 to 11 ft. .TONIGHT...Variable winds less than 10 kt. Seas 9 to 10 ft. .TUE...Variable winds less than 10 kt. Seas 8 to 9 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 7 to 8 ft. .WED...Variable winds less than 10 kt. 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.