685 FZNT31 KNHC 071514 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1014 AM EST Thu Dec 7 2023 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...A cold front extends from the Windward Passage to the Gulf of Honduras. The front will reach from the N coast of Hispaniola to the Gulf of Honduras tonight, where it will remain nearly stationary through Fri night before dissipating Sat. Fresh to strong NE winds N of the front across the northwest Caribbean will diminish slightly late today. However, strong winds will develop in the Windward Passage this afternoon with the front and expand across most of the east and central Caribbean, lasting from tonight through Sun. By late Sun, the majority of these winds are expected to be over the central Caribbean. Looking ahead, the next cold front could enter the northwest Caribbean by early next week. NW Caribbean W of 85W .TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 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...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .MON...N winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean N of 15N between 72W and 85W .TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SUN...E winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 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...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 6 to 9 ft. .FRI...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 8 to 11 ft. .SAT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 6 to 9 ft. .SUN NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 6 to 8 ft. .MON...N winds less than 10 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .TODAY...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .FRI...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .FRI NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft. .SAT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SUN...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...NE 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 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extends from near 31N55W to the Windward Passage. A secondary cold front trails it, extending from 31N58W to the central Bahamas. The secondary front will speed up and merge with the first front by late today. The main front will reach from near 25N55W to the N coast of Hispaniola this evening. Gale force winds and high seas are expected both ahead of and behind this front, to the north of 29N between 55W and 60W through late this afternoon. The gale winds will shift east of 60W by this afternoon. The front will stall and weaken along 20N Fri through Sat as strong high pressure builds across the western Atlantic. The gradient between the strong high pressure along 31N and lower pressure associated with the stalled front will induce fresh to strong NE to E trade winds south of 23N Fri through Sun. On Sun, the front will dissipate as fresh to strong southerly flow sets up over the waters east of northeast Florida to about 70W in advance of the next cold front. This cold front is expected to move into the NW forecast waters late Sun, followed by fresh to strong northwest winds. Seas will build both east and west of this cold front. ATLC waters from 27N to 31N W of 77W .TODAY...NE winds 10 to 15 kt in the morning, becoming variable winds less than 10 kt. Seas 6 to 9 ft. .TONIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 5 to 7 ft. .FRI...SE winds 10 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...S winds 15 to 25 kt. Seas 5 to 7 ft. .SUN NIGHT...SW winds 15 to 25 kt. Seas 7 to 10 ft. .MON...N winds 15 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...W of 70W, N winds 10 to 20 kt. Elsewhere, NW winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. Seas 9 to 14 ft W of 70W, and 11 to 16 ft elsewhere. .TONIGHT...N winds less than 10 kt W of 70W, and N 10 to 15 kt elsewhere. Seas 7 to 10 ft W of 70W, and 9 to 13 ft elsewhere. .FRI...NE winds less than 10 kt. Seas 6 to 9 ft. .FRI NIGHT...W of 70W, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, NE winds less than 10 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 4 to 6 ft. .SUN...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. .MON...S winds 15 to 25 kt. Seas 8 to 10 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. Bahamas N of 22N .TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SW winds 10 to 15 kt, shifting to N 10 to 20 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...N winds 10 to 20 kt. Seas 8 to 11 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. .FRI...E winds 10 to 15 kt. Seas 7 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 15 to 20 kt. Seas 7 to 9 ft. .SUN NIGHT...SE winds 15 to 20 kt. Seas 7 to 9 ft. .MON...SE winds 10 to 20 kt. Seas 7 to 9 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters S of 22N W of 65W .TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .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 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SW winds less than 10 kt, shifting to NW in the afternoon. Seas 4 to 5 ft. .TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft. .SAT...NE winds 10 to 20 kt. Seas 8 to 10 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 9 to 10 ft. .SUN...NE winds 15 to 20 kt. Seas 9 to 10 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 9 to 10 ft. .MON...E winds 15 to 20 kt. Seas 9 to 10 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 9 to 10 ft.