000 FZNT31 KNHC 230910 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 510 AM EDT Tue May 23 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...Elongated low pressure extending from the SE Bahamas to near 30N70W will lift N-NE and exit the region early Wed. Low pressure is then expected to develop over central Florida Wed night and move slowly NE through Sat. This pattern will maintain a weak pressure gradient across the central and western Caribbean through Sat, supporting light to gentle winds. Over the E Caribbean, the Azores High ridge will support gentle to moderate SE trade winds through the forecast period. Expect scattered showers and thunderstorms across the waters E of 65W through Tue evening. NW Caribbean W of 85W .TODAY...Variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TONIGHT...NE winds 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt. Seas 2 ft or less. .THU...Variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds less than 10 kt. Seas 2 ft or less. .FRI...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .TODAY...E winds less than 10 kt. Seas 3 ft. .TONIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...S winds less than 10 kt. Seas 2 ft or less. .THU...S winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...S winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .FRI...S winds less than 10 kt. Seas 3 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 ft. .SAT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 15 kt within 90 nm of coast of Colombia, and NE less than 10 kt elsewhere. Seas 3 to 4 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 ft. .WED...E winds 10 to 15 kt within 90 nm of coast of Colombia, and E less than 10 kt elsewhere. Seas 3 to 4 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 ft. .WED...E winds less than 10 kt. Seas 3 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 ft. .THU...Variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 2 ft or less. .FRI...S winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 2 ft or less. .SAT...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .TODAY...SE winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .WED NIGHT...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .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 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .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 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...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...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 .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Elongated low pressure extends from a 1008 mb low center near 25.5N71.5W to 30N70W. The low will move N-NE and reach near 30N70W early Wed, when it will interact with a weak cold front approaching from the NW, then move NE and exit the region Wed night. Fresh to strong SE winds, rough seas, with scattered showers and tstms will prevail E of the low and trough through Wed. New low pressure is forecast to develop over central Florida late Wed, move N-NE off the peninsula Thu, and across the far NW waters through Sat. The pressure gradient between high pressure over the eastern U.S. and the low will support fresh to locally strong NE winds and large NE swell across the NE Florida offshore waters beginning Thu night through Sat. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE W OF 78W FRI... .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 6 to 8 ft. .THU...S winds less than 10 kt. Seas 6 to 8 ft. .THU NIGHT...SE winds less than 10 kt. Seas 6 to 9 ft. .FRI...NE winds 20 to 30 kt W of 78W. Variable winds less than 10 kt E of 78W. Seas 7 to 10 ft. .FRI NIGHT...N to NE winds 20 to 30 kt W of 78W. S to sw winds less 10 kt E of 78W.. Seas 8 to 13 ft. .SAT...W winds 10 to 20 kt. Seas 8 to 13 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 8 to 13 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...E winds 10 to 20 kt. Seas 7 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NW winds less than 10 kt W of 70W, and SW 10 to 20 kt elsewhere. Seas 6 to 9 ft. .WED NIGHT...W of 70W, NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, SW winds 10 to 20 kt. Seas 6 to 8 ft. .THU...SW winds 10 to 15 kt, shifting to S in the afternoon. Seas 6 to 7 ft. .THU NIGHT...S winds less than 10 kt, shifting to SE after midnight. Seas 5 to 6 ft. .FRI...S winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...S winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...S winds less than 10 kt. Seas 6 to 8 ft. Bahamas N of 22N .TODAY...N winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .WED...Variable winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 3 to 4 ft. .THU...SW winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...S winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...W of 70W, W winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, S winds 10 to 15 kt. Seas 6 to 8 ft. .WED...W winds less than 10 kt W of 70W, and S 10 to 15 kt elsewhere. Seas 5 to 7 ft. .WED NIGHT...W of 70W, NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, S winds 10 to 15 kt. Seas 5 to 7 ft. .THU...S winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...S winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .SAT...S winds less than 10 kt. Seas 5 to 6 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .WED...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .THU...S winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SAT...SE winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 to 20 kt. Seas 7 to 8 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .WED...SE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 6 to 7 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...SE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...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...E winds 10 to 15 kt. Seas 5 to 6 ft.