000 FZNT31 KNHC 250821 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 321 AM EST Fri Dec 25 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 extends across the Yucatan Channel from the western tip of Cuba to the Yucatan peninsula near 19N88W. The front will extend from central Cuba to Honduras today, from eastern Cuba to Nicaragua Sat, then stall and weaken on Sun. Fresh to strong northerly winds and building seas are expected across the western Caribbean today. NW Caribbean W of 85W .TODAY...N winds 20 to 30 kt. Seas 6 to 9 ft. .TONIGHT...N winds 15 to 25 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 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 15 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 15 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TODAY...NE winds 10 to 15 kt S of 18N, and N 15 to 25 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...NE 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 3 to 5 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 .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 15 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...NE winds 10 to 15 kt. Seas 3 to 5 ft. SW Caribbean S of 11N .TODAY...N winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...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 5 ft. .SUN...N winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 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 4 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 5 to 8 ft. .TONIGHT...E winds 10 to 20 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 4 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 .TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...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...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 .TODAY...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...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 extends from 31N77W to southern Florida. Strong southerly winds to gale-force are occurring north of 30N east of northern Florida. The front will extend from 31N73W to central Cuba today, slow and weaken from 31N64W to eastern Cuba on Sat, then become stationary from 31N60W to eastern Cuba on Sun. High pressure will build across the region in the wake of the front through Sat. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TODAY...NW winds 20 to 35 kt. Seas 9 to 14 ft. .TONIGHT...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 20 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 .TODAY...SW winds 20 to 30 kt W of 70W, and SE 15 to 25 kt elsewhere. Seas 9 to 14 ft. .TONIGHT...NW winds 15 to 25 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 9 to 14 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...E 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 .TODAY...SW winds 10 to 20 kt, shifting to NW 15 to 25 kt late. Seas 4 to 6 ft. .TONIGHT...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 10 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 .TODAY...SE winds 10 to 20 kt. Seas 8 to 11 ft. .TONIGHT...W of 70W, S winds 10 to 20 kt, shifting to N 15 to 25 kt late. Elsewhere, SE winds 10 to 15 kt. Seas 8 to 11 ft. .SAT...W of 70W, N winds 15 to 25 kt. Elsewhere, SE winds 10 to 15 kt. Seas 7 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 15 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 .TODAY...SE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 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 10 to 20 kt. Seas 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 15 to 20 kt. Seas 9 to 10 ft. .TONIGHT...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 15 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 6 to 7 ft.