534 FZNT31 KNHC 311448 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 948 AM EST Thu Dec 31 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...Fresh to strong easterly winds will prevail across the region today as strong high pressure north of the area shifts east. Fresh to strong trade winds and large seas are expected across most of the eastern and central Caribbean through the weekend. NW Caribbean W of 85W .TODAY...SE winds 15 to 25 kt. Seas 6 to 8 ft. .TONIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft. .FRI...SE winds 15 to 25 kt. Seas 6 to 8 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft S of 18N, and 5 to 7 ft elsewhere. .FRI...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 8 to 11 ft S of 18N, and 5 to 7 ft elsewhere. .FRI NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 8 to 11 ft S of 18N, and 5 to 7 ft elsewhere. .SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 20 to 30 kt. Seas 8 to 13 ft. .SAT...E winds 20 to 30 kt. Seas 8 to 13 ft. .SAT NIGHT...E winds 20 to 30 kt. Seas 8 to 13 ft. .SUN...E winds 15 to 25 kt. Seas 8 to 13 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .MON...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft. .SUN...NE winds 15 to 25 kt. Seas 8 to 13 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .MON...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .TODAY...NE winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .TONIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela, and 7 to 10 ft elsewhere. .FRI...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela, and 8 to 11 ft elsewhere. .FRI NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft Gulf of Venezuela, and 8 to 12 ft elsewhere. .SAT...E winds 15 to 25 kt. Seas 8 to 12 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...NE winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...NE winds 20 to 25 kt. Seas 9 to 12 ft. .FRI...NE winds 15 to 25 kt. Seas 9 to 13 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 9 to 12 ft. .SAT...NE winds 15 to 20 kt. Seas 8 to 13 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .SUN...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SUN NIGHT...NE 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 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 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .SUN...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON...NE winds 10 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Strong high pressure north of the area will shift east-southeast through Fri. Fresh to strong trade winds and large seas will prevail across southern waters through Fri night. A cold front will move east of Florida on Sun, and extend from 31N70W across the Bahamas to northern Cuba on Mon afternoon enhancing winds and seas. ATLC waters from 27N to 31N W of 77W .TODAY...SE winds 15 to 20 kt. Seas 7 to 9 ft. .TONIGHT...SE winds 15 to 20 kt. Seas 7 to 8 ft. .FRI...SE winds 10 to 20 kt. Seas 6 to 7 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 6 to 7 ft. .SAT...S winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...SW winds 15 to 25 kt. Seas 6 to 8 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NW winds 15 to 20 kt. Seas 5 to 6 ft. .MON NIGHT...NW winds 15 to 20 kt. Seas 5 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...SE winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...SE winds 10 to 15 kt W of 70W, and NE less than 10 kt elsewhere. Seas 5 to 7 ft. .FRI NIGHT...W of 70W, SE winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, shifting to SE after midnight. Seas 4 to 6 ft. .SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...SW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .MON...W winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...W winds 15 to 20 kt. Seas 7 to 10 ft. Bahamas N of 22N .TODAY...E winds 15 to 25 kt. Seas 5 to 7 ft. .TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .FRI...E winds 15 to 25 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 kt. Seas 3 to 4 ft. .MON...W winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...N winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 15 to 25 kt. Seas 9 to 12 ft. .TONIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. .FRI...E winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 8 to 11 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .SUN NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .MON...S winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 20 to 25 kt. Seas 8 to 11 ft. .TONIGHT...E winds 20 to 25 kt. Seas 8 to 13 ft. .FRI...E winds 15 to 25 kt. Seas 8 to 13 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...E winds 15 to 20 kt. Seas 8 to 11 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...NE winds 20 to 25 kt. Seas 8 to 12 ft. .TONIGHT...NE winds 20 to 25 kt. Seas 9 to 13 ft. .FRI...NE winds 15 to 25 kt. Seas 11 to 13 ft. .FRI NIGHT...NE winds 20 to 25 kt. Seas 11 to 14 ft. .SAT...NE winds 15 to 20 kt. Seas 11 to 13 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 9 to 12 ft. .SUN...NE winds 10 to 15 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 7 to 8 ft. .MON...NE winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.