000 FZNT31 KNHC 231448 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1048 AM EDT Tue Apr 23 2024 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 19N W of 55W, the N Atlantic from 19N to 31N W of 55W including the 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 W of 55W .SYNOPSIS...A late season cold front passing over the Bahamas is reducing the N-S pressure gradient and forcing only moderate to locally fresh trades over the Caribbean through tonight. As high pressure builds in behind the front, the trades will strengthen to fresh to locally strong just north of Colombia, through the Windward Passage, and in the lee of Cuba Wed and Thu. Looking ahead, further building of the high on Fri and Sat will also force fresh to strong trades in the Gulf of Honduras and just south of Hispaniola. NW Caribbean W of 85W .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. .WED AND WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU THROUGH SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...S of 18N, NE winds 10 to 15 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .WED AND WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU THROUGH SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .WED AND WED NIGHT...NE winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 4 to 6 ft. .THU THROUGH SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED AND WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU THROUGH SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Gulf of Venezuela, seas 3 ft, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. .TONIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .WED AND WED NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU THROUGH SAT...NE 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 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED AND WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU THROUGH SAT...NE winds 10 to 15 kt. 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 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED AND WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU THROUGH SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extends from 31N67W to the Straits of Florida. Showers and thunderstorms are occurring within 60 NM of the front, mainly north of 25N. The front will reach from 31N61W to the SE Bahamas by tomorrow morning, becoming stationary on Thu and Fri while transitioning to a trough. Fresh to strong winds on either side of the front north of 29N will diminish tonight, leaving the area with quiescent conditions through Fri morning. Looking ahead, a new cold front will merge with the trough and progress eastward, reaching 31N57W to Hispaniola on Sat morning. A building Bermuda High should then cause widespread fresh to strong N to E winds west of the front beginning on Fri night. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 7 to 9 ft. .TONIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .WED AND WED NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .THU...S winds 10 kt. Seas 3 to 5 ft. .THU THROUGH SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...NW winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...N winds 10 to 15 kt. Seas 7 to 10 ft. .WED...NE winds less than 10 kt. Seas 6 to 9 ft. .WED NIGHT...E winds less than 10 kt. Seas 6 to 8 ft. .THU THROUGH SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. Bahamas N of 22N .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED AND WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU THROUGH SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...N winds 10 to 15 kt W of 70W, and W less than 10 kt elsewhere. Seas 5 to 7 ft W of 70W, and 3 to 4 ft elsewhere. .TONIGHT...W of 70W, NE winds 10 to 15 kt. Elsewhere, N winds less than 10 kt, shifting to NE after midnight. Seas 5 to 7 ft. .WED AND WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU THROUGH SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .WED AND WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU THROUGH SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED AND WED NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU THROUGH SAT...NE winds 10 to 15 kt. Seas 5 to 6 ft.