000 FZNT31 KNHC 132034 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 434 PM EDT Tue Apr 13 2021 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...An Ashfall Advisory is in effect for La Soufriere Volcano on the island of St. Vincent near 13.3N 61.2W. Mariners transiting the Tropical N Atlantic waters south of 15N should exercise caution and be aware of the possibility of encountering volcanic ash. Otherwise, fresh to strong winds will pulse near the Gulf of Honduras over the next few nights. Elsewhere, generally moderate to fresh trade winds will persist through this week, possibly strengthening later this weekend over the south-central Caribbean. NW Caribbean W of 85W .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...E winds 10 to 20 kt. Seas 4 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 5 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 5 to 7 ft. .SAT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft. .SUN...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...S of 18N, NE winds 10 to 15 kt,Seas 3 to 5 ft. Elsewhere, E winds less than 10 kt, becoming NE 10 to 20 kt after midnight,Seas 2 ft or less, building to 3 to 4 ft after midnight. .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 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...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 NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 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 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .TONIGHT...NE 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 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SUN...Variable winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TONIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .WED...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 5 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 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN 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 .TONIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .WED...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...SW winds less than 10 kt, shifting to E after midnight. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W ...ASHFALL ADVISORY... .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Volcanic ash with reduced visibility possible. .WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. Volcanic ash with reduced visibility possible. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Volcanic ash with reduced visibility possible. .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 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 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front that extends from the central Atlantic to near the Turks and Caicos Islands will continue moving eastward and pass east of the forecast waters by Wed night. Another cold front that extends from near 31N70W to 28N80W will move across the northern waters through Wed, resulting in strong to near gale-force winds and building seas N of 27N and E of 75W. Yet another cold front will move off the southeastern U.S. coast later this week and into the northern offshore waters Fri, then stall north of the Bahamas this weekend. ATLC waters from 27N to 31N W of 77W .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...SE winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...S winds 10 to 20 kt. Seas 5 to 6 ft. .THU...SW winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...W winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...W winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .SAT...SW winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...W winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NW winds less than 10 kt, shifting to SE after midnight. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...N winds 15 to 25 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 7 to 10 ft. .WED...N winds 10 to 20 kt W of 70W, and N 15 to 25 kt elsewhere. Seas 8 to 11 ft. .WED NIGHT...W of 70W, N winds 10 to 15 kt, shifting to NE after midnight. Elsewhere, N winds 10 to 15 kt. Seas 6 to 9 ft. .THU...W of 70W, SW winds 10 to 20 kt. Elsewhere, N winds less than 10 kt, shifting to W in the afternoon. Seas 5 to 7 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...SW winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...SW winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. Bahamas N of 22N .TONIGHT...NE winds 10 to 15 kt. Seas 3 ft. .WED...NE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI...S winds less than 10 kt. Seas 3 ft. .FRI NIGHT...S winds less than 10 kt. Seas 3 ft. .SAT...S winds less than 10 kt. Seas 3 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .SUN...S winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .WED...N winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .THU...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 4 to 6 ft. .FRI...S winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...S winds less than 10 kt. Seas 4 to 6 ft. .SAT...S winds 10 kt. Seas 4 to 5 ft. .SAT NIGHT...S winds less than 10 kt. Seas 3 to 5 ft. .SUN...S winds 10 kt. Seas 3 to 4 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. ATLC waters S of 22N W of 65W .TONIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .WED...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...SE winds less than 10 kt. Seas 3 to 5 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. .SUN...SE winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...SW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .WED...W winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .THU...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...Variable winds less than 10 kt, becoming E 10 kt after midnight. Seas 4 to 6 ft. .FRI...SE winds 10 kt. Seas 5 to 6 ft. .FRI NIGHT...SE winds 10 kt. Seas 5 to 6 ft. .SAT...SE winds 10 kt. Seas 5 to 6 ft. .SAT NIGHT...SE winds 10 kt. Seas 4 to 6 ft. .SUN...SE winds 10 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 kt. Seas 4 to 5 ft.