633 FZNT31 KNHC 021321 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 921 AM EDT Wed Apr 2 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...Strong to near-gale NE winds and rough to very rough seas offshore of Colombia and in the Gulf of Venezuela will prevail through the weekend. Fresh to strong E to SE winds in the Gulf of Honduras will increase to near-gale force speeds, with rough seas beginning on Thu and continue through the weekend. Elsewhere, moderate to fresh trade winds will strengthen with building rough seas dominating the basin Thu into the weekend. Large E swell will impact the tropical Atlantic waters and Caribbean Passages most of the week, maintaining rough seas. NW Caribbean W of 85W .THIS AFTERNOON...SE winds 15 to 25 kt. Seas 6 to 8 ft. .TONIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .THU...SE winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...SE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...SE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...SE winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...SE winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .THU...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft S of 18N, and 5 to 7 ft elsewhere. .THU NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft S of 18N, and 5 to 7 ft elsewhere. .FRI...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft. .FRI...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. .SAT...E winds 15 to 25 kt. Seas 8 to 12 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 20 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SAT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SUN...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .THIS AFTERNOON...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 6 to 8 ft elsewhere. .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .THU...E winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 7 to 10 ft elsewhere. .THU NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 8 to 11 ft elsewhere. .FRI...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU...NE winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...High pressure will build across the area. The building high will support fresh to strong E to SE winds and rough seas across the waters south of 25N, including through the Atlantic Passages into the Caribbean. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 20 kt. Seas 5 to 6 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 5 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 5 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .SAT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...S winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...SE winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 15 kt W of 70W, and E less than 10 kt elsewhere. Seas 4 to 5 ft. .THU...SE winds 10 to 15 kt W of 70W, and E less than 10 kt elsewhere. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt W of 70W, and E less than 10 kt elsewhere. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .SAT...E winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Bahamas N of 22N .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...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 20 kt. Seas 4 to 6 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...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 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. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .THU...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 15 to 20 kt. Seas 8 to 9 ft. .TONIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. .THU...E winds 15 to 25 kt. Seas 8 to 10 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 8 to 10 ft. .FRI...E winds 15 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft.