000 FZNT31 KNHC 231524 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1024 AM EST Wed Dec 23 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...NE winds will pulse to near gale-force at night near the coast of Colombia through Thu morning. A strong cold front will reach the Yucatan Channel Thu night, extend from eastern Cuba to northern Honduras on Fri, then stall and weaken from Haiti to Costa Rica on Sat. NW Caribbean W of 85W .TODAY...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .THU NIGHT...N winds 10 to 15 kt, increasing to 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...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. 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 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .THU NIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, Variable winds less than 10 kt, becoming N 10 to 15 kt after midnight. Seas 4 to 6 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. .SAT...NE winds 15 to 25 kt. Seas 6 to 8 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. Caribbean from 11N to 15N W of 72W .TODAY...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 7 to 10 ft. .TONIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...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...NE winds 10 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 15 kt. Seas 5 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. SW Caribbean S of 11N .TODAY...NE winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...N winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...N winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 kt. Seas 4 to 5 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 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. .THU...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .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 5 ft. .SUN NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. 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 7 to 10 ft. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...E winds 10 to 20 kt. Seas 8 to 11 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 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 10 to 20 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. Seas 6 to 8 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extending from 30N55W to the central Bahamas near 23N76W will stall and weaken from 26N65W to the southern Bahamas today. A strong cold front will move east of Florida Thu night. Strong southerly winds to gale-force are expected ahead of the front, with winds shifting quickly to west then northwest on Fri as the front moves eastward. Seas will rapidly build in the western Atlantic as the front passes. The front will extend from 31N76W to northern Cuba early Fri, from 31N69W to eastern Cuba Fri night, and from 28N65W to the Windward Passage on Sat. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TODAY...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft. .THU...S winds 25 to 35 kt. Seas 7 to 10 ft. .THU NIGHT...NW winds 20 to 30 kt. Seas 8 to 13 ft. .FRI...NW winds 20 to 25 kt. Seas 8 to 13 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...N winds 10 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...E winds 15 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 15 to 20 kt. Seas 6 to 9 ft. .THU...SE winds 20 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...SE winds 15 to 25 kt. Seas 9 to 13 ft. .FRI...S winds 15 to 25 kt. Seas 9 to 14 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 8 to 13 ft. .SAT...N winds 10 to 15 kt. Seas 8 to 11 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. Bahamas N of 22N .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...NW winds 15 to 25 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 5 to 7 ft. .SAT...N winds 10 to 20 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 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 10 to 20 kt. Seas 6 to 7 ft. .TONIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .THU...E winds 20 kt. Seas 8 to 10 ft. .THU NIGHT...SE winds 15 to 20 kt. Seas 8 to 11 ft. .FRI...SE winds 10 to 20 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 10 to 20 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...E winds 10 to 20 kt. Seas 7 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...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 6 to 8 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 20 kt. Seas 8 to 10 ft. .TONIGHT...E winds 15 to 25 kt. Seas 9 to 11 ft. .THU...E winds 20 to 25 kt. Seas 10 to 11 ft. .THU NIGHT...E winds 20 to 25 kt. Seas 10 to 11 ft. .FRI...E winds 15 to 20 kt. Seas 9 to 11 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 20 kt. Seas 7 to 8 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 7 to 8 ft.