000 FZNT31 KNHC 241557 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1057 AM 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, 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. Expect moderate to fresh northerly winds and building seas accompanying this front Fri. NW Caribbean W of 85W .TODAY...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...NE winds less than 10 kt, becoming N 15 to 25 kt after midnight. Seas 4 to 6 ft. .FRI...N winds 15 to 25 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 less than 10 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. Caribbean N of 15N between 72W and 85W .TODAY...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 5 to 7 ft. .TONIGHT...S of 18N, E winds 10 to 20 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...NE winds 10 to 20 kt S of 18N, and N 15 to 25 kt elsewhere. 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 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. Caribbean from 11N to 15N W of 72W .TODAY...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft. .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 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. 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 4 to 6 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 4 to 6 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 6 to 9 ft. .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, diminishing to less than 10 kt after midnight. Seas 4 to 5 ft. .SUN...N winds less than 10 kt. Seas 3 to 5 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 10 to 15 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .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. Seas 3 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .FRI NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. 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, 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 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 8 to 11 ft. .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 10 to 15 kt, diminishing to less than 10 kt in the afternoon. 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 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft. .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. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front extending from 25N67W across the southern Bahamas to northern Cuba will weaken and drift northward as southerly winds increase ahead of a strong cold front that will move east 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. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TODAY...S winds 20 to 30 kt. Seas 7 to 10 ft. .TONIGHT...SW winds 20 to 30 kt. Seas 8 to 13 ft. .FRI...NW winds 20 to 30 kt. Seas 8 to 13 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...N winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .SUN...E 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 5 to 7 ft. .MON...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... ...GALE WARNING... .TODAY...SE winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...SE winds 15 to 25 kt. Seas 8 to 12 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 14 ft. .SAT...N winds 10 to 20 kt. Seas 8 to 12 ft. .SAT NIGHT...N 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 15 kt. Seas 5 to 7 ft. Bahamas N of 22N .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft. .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 4 to 6 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 3 to 5 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. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 15 to 20 kt. Seas 7 to 10 ft. .TONIGHT...SE winds 15 to 20 kt. Seas 8 to 10 ft. .FRI...SE winds 10 to 20 kt. Seas 7 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...NE winds 10 to 20 kt. Seas 8 to 11 ft. .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 9 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 15 to 25 kt. Seas 7 to 10 ft. .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...E winds less than 10 kt. 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...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 15 to 25 kt. Seas 9 to 10 ft. .TONIGHT...E winds 15 to 25 kt. Seas 9 to 11 ft. .FRI...E winds 10 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 15 kt. Seas 7 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .MON...E winds 10 to 15 kt. Seas 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.