000 FZNT31 KNHC 151507 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1007 AM EST Thu Dec 15 2022 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...Surface ridging north of the region will maintain fresh to strong NE to E tradewinds across the central and SW Caribbean Sea through Mon night, with moderate to locally fresh winds elsewhere. Large, long-period N to NE swell will continue to propagate through the Mona and Anegada Passages and affect the Tropical N Atlantic waters through Fri. Another large set of N swell is forecast to begin propagating through the Tropical N Atlantic waters starting late on Fri and continue through Mon night. NW Caribbean W of 85W .TODAY...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI AND FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN THROUGH MON...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, SE winds 10 to 15 kt, shifting to E after midnight. Seas 4 to 6 ft. .FRI AND FRI NIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt elsewhere. Seas 4 to 6 ft. .SAT THROUGH MON...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TONIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 6 to 9 ft. .FRI AND FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT THROUGH MON...E winds 15 to 25 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI AND FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT THROUGH MON...NE winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .TODAY...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .FRI AND FRI NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SAT THROUGH MON...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...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI AND FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT THROUGH MON...E winds 10 to 20 kt. Seas 6 to 9 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 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI AND FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT THROUGH MON...E winds 10 to 20 kt. Seas 7 to 10 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A large and powerful low pressure system north of the area will bring strong to near gale force W to NW winds and very large seas through tonight to the waters east of 60W and north of 27N. Fresh to strong S to SW winds are offshore NE Florida this morning ahead of a strong cold front approaching the SE U.S. coast. The front will move off the coast this evening, reach from near 31N62W to the Florida Keys Sat morning, and merge with a reinforcing cold front Sun afternoon. This next cold front will extend from 30N70W to Florida Keys Sun morning and move eastward to 31N60W to the SE Bahamas Mon morning. Fresh to strong SE winds will proceed the front north of 27N. Large to very large, long- period N to NE swell will continue to affect much of the area for the next several days. ATLC waters from 27N to 31N W of 77W .TODAY...S winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...W winds 15 to 25 kt. Seas 6 to 9 ft. .FRI AND FRI NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SAT THROUGH MON...E winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...W of 70W, S winds 10 to 20 kt. Elsewhere, NW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft W of 70W, and 7 to 10 ft elsewhere. .TONIGHT...W of 70W, SW winds 10 to 20 kt. Elsewhere, Variable winds less than 10 kt, becoming S 10 to 15 kt after midnight. Seas 6 to 9 ft. .FRI AND FRI NIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...NW winds 10 to 15 kt. Seas 7 to 10 ft. .SAT THROUGH MON...NE winds 10 to 20 kt. Seas 7 to 10 ft. Bahamas N of 22N .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .FRI...S winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT THROUGH MON...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W of 70W, SE winds 10 to 15 kt. Elsewhere, NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 6 to 8 ft. .TONIGHT...SE winds less than 10 kt. Seas 5 to 7 ft. .FRI AND FRI NIGHT...S winds less than 10 kt. Seas 4 to 6 ft W of 70W, and 6 to 9 ft elsewhere. .SAT...S winds 10 to 15 kt. Seas 6 to 8 ft. .SUN THROUGH MON...NE winds 10 to 15 kt. Seas 6 to 9 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI AND FRI NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .SAT THROUGH MON...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...NE winds less than 10 kt. Seas 7 to 8 ft. .TONIGHT...NE winds less than 10 kt. Seas 7 to 8 ft. .FRI AND FRI NIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. .SAT THROUGH MON...E winds 10 to 15 kt. Seas 7 to 10 ft.