000 FZNT31 KNHC 160255 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 955 PM EST Sun Dec 15 2024 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 19N W of 55W, the N Atlantic from 19N to 31N W of 55W including the 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 W of 55W .SYNOPSIS...A strong pressure gradient will continue to induce fresh to strong NE winds in the lee of Cuba, and over the NW Caribbean through Mon morning. A surface trough over the SW N Atlantic waters extending into the Caribbean through Hispaniola will drift westward across the central Caribbean through Tue, likely reaching the NW Caribbean on Wed. High pressure will build in the wake on the trough, and will enhance the trades to fresh to strong speeds over the central Caribbean mainly at night Mon through Thu. NW Caribbean W of 85W .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .WED...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .WED NIGHT...Variable winds less than 10 kt, becoming NE less than 10 kt late. Seas 2 to 3 ft. .THU...N winds less than 10 kt. Seas 2 to 3 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...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...E winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TUE...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TONIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft. .MON...N winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 to 4 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. .WED...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...N winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...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. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI 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 .TONIGHT...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 4 to 6 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. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A tight pressure gradient between strong high pressure over the eastern Seaboard and a trough that extends from near 28N68W to 25N72W and to low pressure of 1010 mb in the Windward Passage will continue to support fresh to strong NE winds and very rough seas over most of the waters west of 65W. These hazardous marine conditions will gradually diminish late tonight into Mon. Fresh to locally strong E winds will prevail E of the Bahamas through Wed as a ridge builds towards the western Atlantic. Looking ahead, the next cold front is forecast to move off the northeastern Florida offshore waters Wed night, reach from near 32N71W to the central Bahamas by late Thu night and stall. A strong cold front may quickly merge with the stalled front late on Fri, followed by fresh to strong NW winds. ATLC waters from 27N to 31N W of 77W .TONIGHT...E winds 15 to 25 kt. Seas 11 to 15 ft. .MON...E winds 10 to 20 kt. Seas 9 to 13 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft. .TUE...E winds 10 to 15 kt. Seas 7 to 9 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .WED...SE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft. .THU...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 5 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...Variable winds less than 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .FRI NIGHT...NW winds 15 to 20 kt. Seas 6 to 8 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...E winds 20 to 25 kt. Seas 12 to 16 ft. .MON...E winds 10 to 20 kt. Seas 10 to 14 ft, subsiding to 9 to 11 ft in the afternoon. .MON NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .TUE...E winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. .THU...S winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. Bahamas N of 22N .TONIGHT...NE winds 15 to 25 kt. Seas 7 to 10 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. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .FRI...N winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...E winds 15 to 25 kt. Seas 10 to 15 ft. .MON...E winds 15 to 25 kt. Seas 9 to 13 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 9 to 11 ft. .TUE...E winds 10 to 20 kt. Seas 8 to 10 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED...E winds 10 to 20 kt. Seas 7 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...SE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...S winds less than 10 kt. Seas 6 to 7 ft. .FRI NIGHT...S winds less than 10 kt, shifting to SW after midnight. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 7 to 8 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .WED...E winds 15 to 20 kt. Seas 8 to 9 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 9 to 10 ft. .THU...E winds 15 to 20 kt. Seas 8 to 10 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. .FRI...E winds 10 to 15 kt. Seas 7 to 9 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft.