000 FZNT31 KNHC 242019 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 319 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 tonight. 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. Moderate to fresh northerly winds and building seas will accompany this front Fri. NW Caribbean W of 85W .TONIGHT...E winds less than 10 kt, becoming N 15 to 25 kt after midnight. Seas 3 ft, building to 4 to 6 ft after midnight. .FRI...N winds 20 to 30 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 7 to 10 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 3 to 5 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 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, Variable winds less than 10 kt, becoming N less than 10 kt after midnight. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt S of 18N, and N 15 to 25 kt elsewhere. Seas 4 to 6 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 S of 18N, and 5 to 7 ft elsewhere. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 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 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 .TONIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .FRI...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 6 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 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 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. SW Caribbean S of 11N .TONIGHT...N winds 10 to 20 kt. Seas 6 to 8 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 5 ft. .SUN...N winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .MON...N winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .TUE...N winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 3 to 5 ft. Caribbean between 64W and 72W .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .FRI...E winds 10 to 20 kt. Gulf of Venezuela, seas 2 ft or less, building to 3 ft in the afternoon. Elsewhere, seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Gulf of Venezuela, seas 3 ft in the evening, subsiding to 2 ft or less. Elsewhere, seas 5 to 7 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E 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 less than 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...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, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. 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...E 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 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 15 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, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .TUE...NE winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A strong cold front will move off the east coast of Florida tonight. Strong southerly winds to gale- force are expected east of northern Florida ahead of the front tonight. 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 in the wake of the front. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TONIGHT...S winds 25 to 35 kt, shifting to SW to W 25 to 35 kt late. 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 7 to 10 ft. .SAT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .SUN...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. 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 ...GALE WARNING... .TONIGHT...W of 70W, SE to S winds 20 to 30 kt, except to 35 kt N of 28N and W of 74W. E of 70W SE winds 15 to 25 kt. Seas 8 to 13 ft W of 70W, and 8 to 10 ft elsewhere. .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 10 to 20 kt elsewhere. Seas 9 to 14 ft. .SAT...N winds 10 to 20 kt. Seas 8 to 12 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 10 to 20 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 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 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 4 to 6 ft. .TUE...NE winds 10 to 20 kt. Seas 4 to 6 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 15 to 20 kt. Seas 8 to 10 ft. .FRI...SE winds 10 to 20 kt. Seas 8 to 10 ft. .FRI NIGHT...W of 70W, S winds 10 to 20 kt, shifting to N 15 to 25 kt after midnight. Elsewhere, SE winds 10 to 15 kt. Seas 8 to 11 ft. .SAT...N winds 15 to 25 kt W of 70W, and NE less than 10 kt elsewhere. Seas 8 to 11 ft W of 70W, and 7 to 10 ft elsewhere. .SAT NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...NE winds 10 to 20 kt. Seas 7 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...NE 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 10 to 20 kt. Seas 7 to 9 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...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .SAT...E winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 5 to 7 ft. .SUN...E winds less than 10 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 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 9 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 8 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 15 kt. Seas 7 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 7 to 8 ft. .SUN NIGHT...E winds 10 to 15 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 6 to 7 ft. .TUE...E winds less than 10 kt. Seas 6 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.