159 FZNT31 KNHC 090736 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 336 AM EDT Tue Apr 9 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...High pressure will build across the western Atlantic through Wed, tightening the pressure gradient across the region. This will result in fresh to strong winds expanding in areal coverage across most of the central Caribbean, pulsing to near gale-force at night off of Colombia through Thu night. The building high pressure will also support fresh to strong winds in the Windward Passage, south of Hispaniola, and in the Gulf of Honduras. Winds will start to diminish the end of the week as the high pressure shifts eastward and well NE of the region. Looking ahead, a cold front is expected to reach the Yucatan Channel Thu night, then stall and weaken over the NW Caribbean late Fri. NW Caribbean W of 85W .TODAY...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...SE winds 20 to 30 kt. Seas 6 to 9 ft. .WED...SE winds 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. .THU...SE winds 15 to 25 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 5 to 7 ft elsewhere. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft. .WED...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft. .WED NIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...NE winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 15 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. Caribbean between 64W and 72W .TODAY...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .WED...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .WED NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...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 7 to 10 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...NE winds 10 to 15 kt. Seas 4 to 5 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 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 10 to 20 kt. Seas 6 to 9 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Large NW swell will prevail across the NE waters through tonight before shifting E of the area. High pressure in the far western Atlantic will drift to near Bermuda by Wed night, then shift E Thu and Fri. The associated ridge will support moderate to fresh winds across the Great Bahama Bank and the Caribbean approaches through tonight, becoming fresh to strong Wed through Thu. Fresh southerly winds will develop offshore of Florida and N of the Bahamas on Wed evening and increase to strong to near gale-force Wed night through Thu, ahead of an approaching cold front. The front is expected to cross the Florida Peninsula Thu night, with gales possible Thu night N of 30N and E of the front. The front will reach from 31N74W to the NW Bahamas Fri morning, and from near Bermuda to the central Bahamas Sat morning. ATLC waters from 27N to 31N W of 77W .TODAY...SE winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 6 to 7 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft. .THU...S winds 20 to 30 kt. Seas 8 to 11 ft. .THU NIGHT...SW winds 20 to 30 kt. Seas 8 to 11 ft. .FRI...NW winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NW winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE THU NIGHT... .TODAY...E winds less than 10 kt. Seas 6 to 9 ft W of 70W, and 9 to 12 ft elsewhere. .TONIGHT...W of 70W, E winds less than 10 kt, shifting to SE after midnight. Elsewhere, NE winds less than 10 kt. Seas 6 to 9 ft. .WED...SE winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 6 to 8 ft. .WED NIGHT...W of 70W, SE winds 10 to 20 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...W of 70W S winds 25 to 35 kt. E of 70W, SE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...S winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...W winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NW winds 10 to 15 kt, shifting to N after midnight. Seas 6 to 9 ft. Bahamas N of 22N .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...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...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 10 to 15 kt. Seas 7 to 9 ft. .TONIGHT...E winds 10 to 20 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 7 to 9 ft. .WED...E winds 10 to 15 kt. Seas 7 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. .THU...SE winds 15 to 20 kt. Seas 7 to 9 ft. .THU NIGHT...SE winds 15 to 20 kt. Seas 7 to 9 ft. .FRI...SE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. ATLC waters S of 22N W of 65W .TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...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. ATLC waters from 19N to 22N between 55W and 65W .TODAY...NE winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED...NE winds 15 to 20 kt. Seas 9 to 10 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 9 to 10 ft. .THU...E winds 15 to 20 kt. Seas 8 to 10 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 8 to 10 ft. .FRI...E winds 15 to 20 kt. Seas 9 to 10 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 8 to 10 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft.