353 FZNT31 KNHC 100846 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 446 AM EDT Mon Apr 10 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...Atlantic high pres centered over the eastern Atlantic extends its ridge SW to the SE Bahamas, supporting moderate to fresh trade winds across the Caribbean E of 80W through Wed, pulsing to strong at night S of 13N. High pressure will prevail N of the area through midweek ahead of a strong cold front that will continue to move across the W Atlantic. The front will stall along 23N by Thu. Strong trades will return over the central Caribbean south of 15N and to the Gulf of Honduras Thu through Fri. NW Caribbean W of 85W .TODAY...NE winds less than 10 kt. Seas 3 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE...E winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .WED...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .THU...SE winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...S of 18N, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TUE...NE winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TUE NIGHT...S of 18N, NE winds 10 to 15 kt. Elsewhere, Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .WED...E winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...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. .TONIGHT...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. .TUE...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. .TUE 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. .WED...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E 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. SW Caribbean S of 11N .TODAY...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 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...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TUE NIGHT...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...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 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...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 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N 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. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...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 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 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A strong cold front is moving across NW portions of the region. Near-gale force NE winds will prevail north of 27N behind the front through today. Very large NE swell producing seas to around 21 ft along 31N will begin subsiding today through Tue. The front will reach from 31N64W to the Upper Florida Keys by this evening, then stall and gradually weaken along 23N by Thu/Fri. ATLC waters from 27N to 31N W of 77W .TODAY...NE winds 20 to 25 kt. Seas 16 to 19 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 13 to 17 ft. .TUE...NE winds 15 to 25 kt. Seas 10 to 15 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 8 to 12 ft. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...S winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...W of 70W, NE winds 20 to 30 kt. Elsewhere, W winds 10 to 15 kt, shifting to NW 15 to 25 kt in the afternoon. Seas 11 to 16 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 13 to 17 ft W of 70W, and 10 to 15 ft elsewhere. .TUE...NE winds 15 to 25 kt. Seas 11 to 14 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 8 to 12 ft. .WED...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Bahamas N of 22N .TODAY...NW winds less than 10 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W winds 10 to 15 kt. Seas 8 to 11 ft W of 70W, and 6 to 8 ft elsewhere. .TONIGHT...W of 70W, N winds 15 to 25 kt. Elsewhere, W winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 9 to 14 ft W of 70W, and 7 to 10 ft elsewhere. .TUE...W of 70W, NE winds 15 to 25 kt. Elsewhere, W winds less than 10 kt, shifting to NW in the afternoon. Seas 10 to 15 ft W of 70W, and 8 to 11 ft elsewhere. .TUE NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .WED...E winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 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. ATLC waters S of 22N W of 65W .TODAY...SW winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .TUE...Variable winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .WED...E winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .THU...E winds less than 10 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. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 to 15 kt. Seas 6 to 7 ft. .TONIGHT...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 6 ft. .WED...SE winds 10 kt. Seas 5 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 5 to 6 ft. .THU...E winds less than 10 kt. Seas 5 to 6 ft. .THU NIGHT...NE winds less than 10 kt. Seas 5 to 6 ft. .FRI...E winds 10 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.