238 FZNT31 KNHC 121316 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 916 AM EDT Sat Apr 12 2025 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 19N W of 55W, the N Atlantic from 19N to 31N W of 55W including the 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 W of 55W .SYNOPSIS...Fresh to strong winds off Nicaragua will continue through the weekend before diminishing on Mon. Fresh to strong winds will develop in the lee of Cuba, the Windward Passage, and in the lee of Hispaniola Sun night through Tue as a high pressure center shifts across the Atlantic waters N of the area. Elsewhere, moderate to fresh trades will prevail in the south-central Caribbean through the weekend before strengthening by early next week. NW Caribbean W of 85W .THIS AFTERNOON...N winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 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 5 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .TUE...E winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .THIS AFTERNOON...NW winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TONIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .SUN NIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .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 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front from 31N73W to the Florida Straits will progress across the forecast waters. Moderate to fresh winds will prevail on either side of the front north of 25N, reaching strong speeds E of the front and N of 29N by Sun. High pressure will build in the wake of the front. Another weak cold front may enter the NW waters Tue night with moderate to fresh winds on either side of the front. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NW winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .MON...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...SW winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...SW winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NW winds 10 to 20 kt W of 70W, and W 10 to 15 kt elsewhere. Seas 4 to 6 ft. .SUN NIGHT...NW winds 10 to 15 kt W of 70W, and NW 10 to 20 kt elsewhere. Seas 5 to 7 ft. .MON...NW winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...NW winds less than 10 kt, shifting to W after midnight. Seas 6 to 8 ft. .TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. .WED...W winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NW winds less than 10 kt. Seas 5 to 7 ft. Bahamas N of 22N .THIS AFTERNOON...NW winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...N winds 10 to 15 kt. Seas 3 ft. .SUN...N winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...N winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...NE winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SW winds less than 10 kt W of 70W, and S 10 to 15 kt elsewhere. Seas 4 to 5 ft. .TONIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .WED...E winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN...NW winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .MON...SE winds less than 10 kt. Seas 4 to 5 ft. .MON NIGHT...E winds less than 10 kt. Seas 4 to 6 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 5 to 6 ft.