000 FZNT31 KNHC 131450 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 950 AM EST Fri Dec 13 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...Strong ridging over the SE United States will continue to force fresh to strong NE winds across the central and W Caribbean including through the Windward Passage until Sat night. A broad surface trough extending across the Lesser Antilles this morning will gradually move westward over the next few days. This trough will cause the pressure gradient to relax across most of the Caribbean on Sun. Looking ahead on Mon and Tue, trades across the Caribbean should be moderate or weaker. NW Caribbean W of 85W .TODAY...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .TUE...NE winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .SAT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .TODAY...NE winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TONIGHT...NE winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 8 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, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .MON...NE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...N winds less than 10 kt. Seas 4 to 5 ft. .MON...N winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt, shifting to N in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TODAY...NE winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .SAT...Gulf of Venezuela, NE winds less than 10 kt, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon,Seas 3 to 5 ft. .SAT NIGHT...Gulf of Venezuela, NE winds 10 to 15 kt, shifting to E after midnight. Elsewhere, E winds less than 10 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .SUN...SE winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 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 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...Variable winds less than 10 kt, becoming SE less than 10 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 6 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 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 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 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 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 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 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front that extends from just west of Bermuda to central Cuba should dissipate by tonight. A 1012 mb low near 23N62W sits along a north-south oriented trough. As the low/trough shifts westward, a large area of strong to near gale NE winds and very rough seas will set up over all of the waters west of 65W during the weekend. As the pressure gradient tightens between the low/trough and high pressure over the US mid-Atlantic waters, peak winds should reach gale force Sat and Sat night between the waters north of the Bahamas and Bermuda. During Sun and Mon, conditions will gradually improve, and by Tue winds will be reduced to fresh across the area. ATLC waters from 27N to 31N W of 77W .TODAY...NE winds 15 to 25 kt. Seas 7 to 9 ft. .TONIGHT...NE winds 20 to 25 kt. Seas 8 to 12 ft. .SAT...NE winds 20 to 30 kt. Seas 11 to 15 ft. .SAT NIGHT...E winds 20 to 30 kt. Seas 13 to 18 ft. .SUN...NE winds 15 to 25 kt. Seas 13 to 17 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 12 to 15 ft. .MON...E winds 15 to 25 kt. Seas 11 to 14 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 9 to 12 ft. .TUE...E winds 10 to 15 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .TODAY...NE winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...NE winds 20 to 30 kt. Seas 9 to 14 ft. .SAT...NE winds 20 to 35 kt. Seas 13 to 18 ft. .SAT NIGHT...NE winds 20 to 35 kt. Seas 16 to 18 ft W of 70W, and 13 to 17 ft elsewhere. .SUN...NE winds 20 to 30 kt. Seas 13 to 18 ft. .SUN NIGHT...E winds 20 to 25 kt. Seas 13 to 16 ft. .MON...E winds 15 to 25 kt. Seas 11 to 14 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 9 to 12 ft. .TUE...E winds 10 to 20 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft. Bahamas N of 22N .TODAY...NE winds 15 to 25 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .SAT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NE winds 15 to 25 kt. Seas 8 to 11 ft W of 70W, and 8 to 13 ft elsewhere. .TONIGHT...NE winds 15 to 25 kt. Seas 9 to 13 ft W of 70W, and 10 to 14 ft elsewhere. .SAT...NE winds 20 to 30 kt W of 70W, and E 15 to 25 kt elsewhere. Seas 10 to 15 ft. .SAT NIGHT...NE winds 20 to 30 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 12 to 17 ft W of 70W, and 10 to 15 ft elsewhere. .SUN...E winds 15 to 25 kt. Seas 11 to 16 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 10 to 15 ft. .MON...E winds 10 to 20 kt. Seas 8 to 13 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 8 to 12 ft. .TUE...E winds 15 to 20 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. ATLC waters S of 22N W of 65W .TODAY...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SAT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...SE winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. 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 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 7 to 9 ft. .SAT...SE winds 10 to 20 kt. Seas 7 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 7 to 9 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .MON...E winds 10 to 15 kt. Seas 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 7 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft.