000 FZNT31 KNHC 072043 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 443 PM EDT Fri Apr 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 broad inverted trough extends from the Atlantic near 29N64W across the eastern Dominican Republic to near 17N69W, and is accompanied by active weather. Atlantic high pressure is drapped to the N of the trough along 31N-32N. Fresh to strong trade winds are found across the far NE and SE Caribbean to the E of the trough, and will become mainly strong tonight through Sat morning before diminishing. Winds and seas will gradually diminish elsewhere through Sun as the trough shifts W and weakens, and reaches the central Bahamas. Weak high pressure will prevail N of the area Mon through Wed as a strong cold front moves across much of Florida and the regional Atlantic N of 26N. NW Caribbean W of 85W .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...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 kt. Seas 3 ft. .MON...NE winds less than 10 kt. Seas 3 ft. .MON NIGHT...NE winds 10 kt. Seas 3 ft. .TUE...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 ft. .WED...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 3 ft. .WED NIGHT...S winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 10 to 15 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 S of 18N, and NE less than 10 kt elsewhere. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. S of 18N, seas 4 to 6 ft. Elsewhere, seas 3 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .MON...NE winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .TUE...E winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .WED...SE winds less than 10 kt. Seas 3 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .SAT NIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 4 to 6 ft. .SUN...E winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...N winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E 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. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 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 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED 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 .TONIGHT...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 15 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 15 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. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A broad inverted trough accompanied by very active weather extends from near 29N64W to 22N67W then across the eastern Dominican Republic and into the N Caribbean. The trough will shift W and weaken through Sun, reaching the central Bahamas. Atlantic high pressure is drapped across the N of the trough, along 31N-32N, and is producing a strong winds and seas to 10 ft E of the trough. Winds and seas across the region will gradually diminish tonight through Sun as high pressure also weakens. A strong cold front is expected to move offshore of the SE U.S. and NE Florida early on Sun and sink SE across NW portions, reaching from near Bermuda to central Florida Sun evening, and from 31N60W to SE Florida by Mon evening. A large area of strong to minimal gale-force N to NE winds, and significant NE swell will build into the area behind the front, spreading across the waters N of 26N and W of 65W by Tue. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE SUN NIGHT... .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...S winds less than 10 kt. Seas 5 to 7 ft. .SUN...W winds 10 to 15 kt, becoming N 20 to 30 kt in the afternoon. Seas 7 to 10 ft, building to 9 to 14 ft in the afternoon. .SUN NIGHT...NE winds 25 to 35 kt. Seas 12 to 17 ft. .MON...NE winds 20 to 30 kt. Seas 14 to 19 ft. .MON NIGHT...NE winds 20 to 30 kt. Seas 14 to 17 ft. .TUE...E winds 20 to 25 kt. Seas 12 to 16 ft. .TUE NIGHT...E winds 20 to 25 kt. Seas 10 to 15 ft. .WED...E winds 15 to 25 kt. Seas 9 to 14 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE SUN NIGHT... .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...SW winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...W winds 10 to 20 kt, becoming N to NE 25 to 35 kt after midnight. Seas 10 to 15 ft. .MON...NE winds 20 to 30 kt. Seas 11 to 16 ft. .MON NIGHT...NE winds 20 to 30 kt. Seas 12 to 17 ft. .TUE...NE winds 15 to 25 kt. Seas 11 to 16 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft. .WED...E winds 10 to 20 kt. Seas 8 to 13 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. Bahamas N of 22N .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SUN...Variable winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .MON...N winds less than 10 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds less than 10 kt. Seas 6 to 8 ft. .TUE...NE winds less than 10 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED...NE winds less than 10 kt. Seas 6 to 8 ft. .WED NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...SW winds less than 10 kt W of 70W, and S 10 to 15 kt elsewhere. Seas 6 to 8 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas 6 to 7 ft. .MON...W winds 10 to 15 kt. Seas 7 to 10 ft. .MON NIGHT...NW winds less than 10 kt, shifting to NE after midnight. Seas 8 to 13 ft. .TUE...SE winds 10 to 15 kt, shifting to N 10 to 20 kt in the afternoon. Seas 9 to 14 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft. .WED...E winds 10 to 20 kt. Seas 9 to 14 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 8 to 11 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SW winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .TUE...SE winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .WED...SE winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft. .SAT...E winds 15 to 20 kt. Seas 8 to 10 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .SUN...E winds 10 to 15 kt. Seas 7 to 8 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 6 to 7 ft. .MON NIGHT...SE winds 10 kt. Seas 5 to 6 ft. .TUE...SE winds 10 kt. Seas 5 to 6 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds less than 10 kt. Seas 6 to 7 ft.