000 FZNT31 KNHC 071510 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1110 AM 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 30N62W through the Mona Passage to near 16N68W, 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 Caribbean to the E and W of the trough, including the Windward Passage, in the Gulf of Honduras, and in the lee of eastern Cuba. Winds and seas will gradually diminish tonight through Sun as the trough shifts W and weakens, and reaches the central Bahamas. NW Caribbean W of 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. .TUE...E winds 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...SE winds less than 10 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt S of 18N, and NE less than 10 kt elsewhere. S of 18N, seas 3 to 5 ft. Elsewhere, seas 3 to 4 ft in the evening, subsiding to 2 ft or less. .SUN...E winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE 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. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .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 10 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 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 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 4 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...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 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 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 15 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 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft. .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 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 30N62W through the Mona Passage, and 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 large area of 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 low pres center is forecast to develop along a frontal boundary just offshore NE Florida early on Sun. The low will drag the cold front southward across Florida and the western Atlantic. This system will bring strong to minimal gale-force northerly winds, and significant NE swell across the waters N of 26N and W of 65W Sun night into early next week. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...SE winds 10 kt. Seas 4 to 6 ft. .SAT NIGHT...S winds less than 10 kt. Seas 5 to 7 ft. .SUN...W winds 10 to 15 kt, shifting to N 15 to 25 kt in the afternoon. Seas 6 to 9 ft, building to 8 to 13 ft in the afternoon. .SUN NIGHT...NE winds 20 to 30 kt. Seas 11 to 16 ft. .MON...NE winds 15 to 25 kt. Seas 13 to 18 ft. .MON NIGHT...NE winds 20 to 25 kt. Seas 14 to 17 ft. .TUE...E winds 20 to 25 kt. Seas 12 to 15 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 11 to 14 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE SUN NIGHT... .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. .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...W of 70W, E winds 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, S winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...SW winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...W winds 10 to 20 kt, becoming N 20 to 30 kt after midnight. Seas 9 to 14 ft. .MON...N winds 20 to 30 kt. Seas 10 to 15 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 12 to 17 ft. .TUE...NE winds 15 to 25 kt. Seas 11 to 16 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 10 to 14 ft. Bahamas N of 22N .THIS AFTERNOON...E winds 10 to 15 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, diminishing to less than 10 kt in the afternoon. 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, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...E winds 10 to 20 kt. Seas 7 to 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 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...S winds 10 to 15 kt. 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...N winds 10 to 15 kt. Seas 8 to 13 ft. .TUE...N winds 10 to 20 kt. Seas 9 to 14 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 9 to 14 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .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...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .MON...SW winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .TUE...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 8 to 9 ft. .SAT NIGHT...E winds 15 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 5 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...E winds less than 10 kt. Seas 5 to 7 ft.