000 FZNT31 KNHC 192009 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 409 PM EDT Tue Mar 19 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 NE of the area will support fresh to strong trade winds across the eastern and central Caribbean through tonight. Afterward, winds will diminish to moderate to fresh speeds as a cold front continues to move across the western Atlantic, the Bahamas and Cuba. This front has reached western Cuba and the NW Caribbean and will extend over central Cuba on Wed, and across eastern Cuba on Thu while dissipating. Fresh to strong northeast to east winds will continue near the coast of Colombia through Sat night while decreasing in coverage. NW Caribbean W of 85W .TONIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 5 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 20 kt, shifting to NW 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .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 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .WED...NE winds 10 to 15 kt S of 18N, and NE less than 10 kt elsewhere. Seas 3 to 5 ft. .WED NIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 5 to 7 ft. .WED NIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .THU...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. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 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 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. SW Caribbean S of 11N .TONIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .WED...N winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...N winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .SUN...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .TONIGHT...NE winds 15 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...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .WED NIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN 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 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 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. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extending from near Bermuda to western Cuba will reach from 31N57W to central Cuba by Wed morning. A weak low pressure may form along the front near 30N56W on Thu morning, with the front reaching eastern Cuba. Then, the front will extend from near 31N50W to northern Hispaniola by Fri morning. Gale force winds ahead of the front are forecast to end late this afternoon. A band of showers and thunderstorms is currently ahead of the front. High pressure in the wake of the front will quickly shift eastward through Fri night, allowing for fresh to strong southerly winds to develop over the western half of the forecast waters as low pressure tracks northeastward from the Gulf of Mexico to over northern Florida, and to north of the area Sat and Sat night. These winds will expand in coverage as they shift eastward ahead of a cold front that will trail from the low over the western waters. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE FRI NIGHT AND SAT NIGHT... .TONIGHT...N winds 10 to 15 kt in the evening, becoming variable winds less than 10 kt. Seas 6 to 9 ft. .WED...W winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .THU...E winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 3 ft. .FRI...SE winds 20 to 30 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 20 to 30 kt. Seas 8 to 13 ft. .SAT...SW winds 20 to 30 kt. Seas 8 to 13 ft. .SAT NIGHT...W winds 10 to 20 kt, becoming NW 20 to 30 kt after midnight. Seas 8 to 13 ft. .SUN...N winds 20 to 30 kt. Seas 9 to 14 ft. .SUN NIGHT...NE winds 20 to 30 kt. Seas 11 to 16 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE FRI NIGHT THROUGH SUN... .TONIGHT...W of 70W, N winds 10 to 20 kt, diminishing to less than 10 kt after midnight. Elsewhere, N winds 15 to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 8 to 11 ft. .WED...W of 70W, N winds 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, N winds 10 to 15 kt. Seas 7 to 10 ft. .WED NIGHT...NW winds less than 10 kt. Seas 5 to 7 ft. .THU...N winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 20 to 30 kt. Seas 7 to 10 ft. .SAT...SE winds 20 to 30 kt. Seas 8 to 13 ft. .SAT NIGHT...S winds 20 to 30 kt. Seas 9 to 13 ft. .SUN...SW winds 20 to 30 kt. Seas 9 to 14 ft. .SUN NIGHT...NW winds 15 to 25 kt. Seas 10 to 15 ft. Bahamas N of 22N .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...NE winds less than 10 kt, shifting to E in the afternoon. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 15 to 25 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...W of 70W, N winds 10 to 20 kt. Elsewhere, W winds 10 to 15 kt, shifting to N after midnight. Seas 5 to 7 ft. .WED...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 6 to 8 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...SE winds 10 to 20 kt. Seas 8 to 10 ft. .SAT NIGHT...S winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...SW winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 8 to 11 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .WED...NE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...S winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...SE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .WED...SE winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .THU...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds less than 10 kt. Seas 5 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 15 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 7 to 8 ft. .SUN...E winds 15 to 20 kt. Seas 7 to 8 ft. .SUN NIGHT...E winds 15 kt. Seas 7 to 8 ft.