000 FZNT31 KNHC 250234 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 934 PM EST Thu Dec 24 2020 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 strong cold front will reach the Yucatan Channel overnight. The front will extend from central Cuba to the Gulf of Honduras Fri morning, from eastern Cuba to SE Nicaragua Sat morning, then stall and weaken on Sun. Fresh northerly winds and building seas are expected across the western Caribbean on Fri. NW Caribbean W of 85W .TONIGHT...E winds less than 10 kt, becoming N 15 to 25 kt after midnight. Seas 4 to 6 ft. .FRI...N winds 20 to 30 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds 20 to 30 kt. Seas 8 to 11 ft. .SAT...N winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt S of 18N, and N 15 to 25 kt elsewhere. Seas 5 to 7 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...E winds 15 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 6 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. SW Caribbean S of 11N .TONIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...N winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...N winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...N winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE 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 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...E winds 15 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NE winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A strong cold front will move E of Florida overnight, with strong southerly winds to gale-force expected E of northern Florida ahead of the front. The front will extend from 31N75W to northern Cuba Fri morning, slow and weaken from 31N66W to eastern Cuba Sat morning, then become stationary from 31N60W to eastern Cuba Sun morning. High pressure will build across the region in the wake of the front Fri and Sat. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TONIGHT...SW winds 25 to 35 kt. Seas 9 to 14 ft. .FRI...NW winds 20 to 30 kt. Seas 9 to 14 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...NW winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...NE winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 20 to 25 kt. Seas 8 to 10 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .TONIGHT...SE winds 20 to 25 kt, except to 35 kt N of 30N. Seas 8 to 13 ft. .FRI...SW winds 20 to 30 kt W of 70W, and SE 15 to 25 kt elsewhere. Seas 9 to 14 ft. .FRI NIGHT...NW winds 15 to 25 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 9 to 15 ft. .SAT...N winds 10 to 20 kt. Seas 8 to 13 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .SUN...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. Bahamas N of 22N .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SW winds 10 to 20 kt, shifting to NW 15 to 25 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 5 to 7 ft. .SAT...N winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...SE winds 20 to 25 kt. Seas 8 to 11 ft. .FRI...SE winds 10 to 20 kt. Seas 8 to 11 ft. .FRI NIGHT...W of 70W, S winds 10 to 20 kt, shifting to N 15 to 25 kt late. Elsewhere, SE winds 10 to 20 kt. Seas 8 to 11 ft. .SAT...W of 70W, N winds 15 to 25 kt. Elsewhere, SE winds 10 to 15 kt. Seas 8 to 11 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SUN...E winds 10 to 20 kt. Seas 7 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...SE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...E winds 10 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NE winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 15 to 25 kt. Seas 10 to 11 ft. .FRI...E winds 15 to 20 kt. Seas 9 to 10 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft. .SAT...E winds 10 to 15 kt. Seas 7 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft. .SUN...E winds 10 to 20 kt. Seas 7 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft. .MON...E winds 10 to 15 kt. Seas 7 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 7 ft.