000 FZNT31 KNHC 231515 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1015 AM EST Fri Feb 23 2024 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 frontal trough crosses the Lesser Antilles near 15N61W. This system will move slowly eastward and into the Tropical Atlantic waters today then drift W and dissipate on Sat. Fresh to strong trade winds will return to the south-central Caribbean tonight and persist through the weekend, strongest at night. A cold front will reach the NW Caribbean late Sat afternoon, and extend from eastern Cuba to the coast of Quintana Roo, Mexico near 19N87.5W Sun morning, then sink SE and dissipate from Hispaniola to the Gulf of Honduras Mon. High pressure will strengthen across the W Atlantic Mon through Tue night and produce fresh to strong trade winds across central portions of the basin. NW Caribbean W of 85W .TODAY...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .SAT...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 2 ft or less. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...S of 18N, E winds 10 to 15 kt, shifting to SE in the afternoon,Seas 3 to 5 ft. Elsewhere, SE winds less than 10 kt, seas 3 ft in the morning, subsiding to 2 ft or less. .TONIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, S winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SAT...S of 18N, NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 3 ft. .SAT NIGHT...S of 18N, NE winds 10 to 15 kt. Elsewhere, NW winds less than 10 kt, shifting to N after midnight. Seas 3 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 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. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...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. .SAT NIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Gulf of Venezuela, seas 2 ft or less, building to 3 ft in the afternoon. Elsewhere, seas 3 to 5 ft. .TONIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .TONIGHT...E 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 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 20 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E 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 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 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front extends from 31N54W to 20N57W then a frontal trough continues to near 15N61W in the Lesser Antilles. Fresh to strong S winds are noted E of the front, while moderate to large N to NE swell is W of 63W. The front will drift E and weaken to a frontal trough today, and drift westward toward the Leeward Islands on Sat. Winds and seas associated with this system will improve by Fri night into Sat. A strong cold front will emerge off the Florida coast this afternoon. Gale force SW winds are expected ahead of the front across the north waters, mainly N of 29N and W of 66W, this afternoon through Sat afternoon. Rough to very rough seas in westerly swell will follow the front, with seas to 8 ft reaching as far S as 24N on Sun. The front will stall from the central Atlantic to Hispaniola Tue. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TODAY...SW winds 20 to 30 kt. Seas 7 to 10 ft. .TONIGHT...W winds 25 to 35 kt. Seas 8 to 13 ft. .SAT...NW winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...NW winds 20 to 30 kt. Seas 7 to 10 ft. .SUN...NW winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .MON...Variable winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds 10 kt. Seas 3 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .TODAY...W of 70W, SW winds 15 to 25 kt. Elsewhere, Variable winds less than 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 7 to 10 ft W of 70W, and 6 to 8 ft elsewhere. .TONIGHT...SW winds 25 to 35 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 8 to 13 ft W of 70W, and 6 to 9 ft elsewhere. .SAT...W winds 20 to 30 kt W of 70W, and SW 20 to 30 kt elsewhere. W of 70W, seas 9 to 14 ft. Elsewhere, seas 8 to 11 ft, building to 9 to 14 ft in the afternoon. .SAT NIGHT...NW winds 15 to 25 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 8 to 11 ft W of 70W, and 9 to 14 ft elsewhere. .SUN...NW winds 10 to 20 kt. Seas 8 to 11 ft. .SUN NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 6 to 9 ft. .MON...NE winds less than 10 kt. Seas 5 to 7 ft. .MON NIGHT...E winds less than 10 kt. Seas 5 to 7 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. Bahamas N of 22N .TODAY...SE winds less than 10 kt, shifting to S in the afternoon. Seas 3 to 5 ft. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W of 70W, SE winds less than 10 kt, shifting to S in the afternoon. Elsewhere, SE winds less than 10 kt. Seas 6 to 8 ft. .TONIGHT...S winds 10 to 15 kt. Seas 6 to 7 ft. .SAT...SW winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...NW winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .MON...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. ATLC waters S of 22N W of 65W .TODAY...E winds less than 10 kt. Seas 5 to 7 ft. .TONIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .SAT...S winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...SW winds less than 10 kt. Seas 3 to 5 ft. .SUN...NW winds less than 10 kt, shifting to N in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...NE winds less than 10 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 kt. Seas 6 to 7 ft. .SAT...SE winds less than 10 kt. Seas 6 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 5 to 6 ft. .SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .MON...E winds 10 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.