000 FZNT31 KNHC 302019 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 419 PM EDT Sun Mar 30 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...High pressure E of Bermuda will combine with the Colombian low to support fresh to strong trade winds and moderate to rough seas off the coast of Colombia through the middle of the week. Similar wind speeds are also expected in the Gulf of Honduras through Wed. Large E swell will continue to impact the Tropical Atlantic waters and Caribbean Passages most of the week, maintaining seas of 8 to 10 ft. Looking ahead, high pressure will again relocate N of the Caribbean Sea Wed afternoon through Fri night and bring about a significant increase in winds and seas across most of the basin. NW Caribbean W of 85W .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .WED...SE winds 15 to 25 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .THU...SE winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...SE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .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. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .MON...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .MON NIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TUE...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...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 8 to 11 ft. .FRI...E winds 15 to 25 kt. Seas 8 to 13 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 13 ft. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .MON...NE winds 10 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...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. Caribbean between 64W and 72W .TONIGHT...NE winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .MON NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...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 8 to 11 ft. .FRI...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU...NE winds 15 to 25 kt. Seas 8 to 10 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...E winds 10 to 20 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...High pressure located E of Bermuda extends a ridge E to W along 33N, and will drift slowly eastward and weaken some through Mon night. As a result, winds and seas will diminish modestly across the forecast area Mon afternoon through Mon night. A cold front will move off the SE United States coast late Tue and weaken quickly across the far NW zones early Wed. High pressure will then build southward again across the region Wed night through Fri, bringing an increase in winds and seas, mainly across the waters S of 24N. ATLC waters from 27N to 31N W of 77W .TONIGHT...SE winds 10 to 20 kt. Seas 7 to 8 ft. .MON...SW winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming SE 10 kt after midnight. Seas 5 to 6 ft. .WED...SE winds 10 to 15 kt. Seas 5 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 6 to 7 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 7 ft. .FRI...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .MON...S winds 10 to 20 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 6 to 8 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...S winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...S winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .WED...SE winds less than 10 kt. Seas 5 to 6 ft. .WED NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 6 ft. .THU...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 6 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. Bahamas N of 22N .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E 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 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. .MON...SE winds 10 to 20 kt. Seas 8 to 10 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 7 to 9 ft. .TUE...SE winds 10 to 15 kt. Seas 7 to 9 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...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 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 6 to 9 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...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 10 to 20 kt. Seas 7 to 10 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 20 kt. Seas 9 to 10 ft. .MON...E winds 15 to 20 kt. Seas 9 to 10 ft. .MON NIGHT...E winds 20 kt. Seas 9 to 10 ft. .TUE...E winds 15 to 20 kt. Seas 9 to 10 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 9 to 10 ft. .WED...E winds 15 to 20 kt. Seas 8 to 9 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. .THU...NE winds 15 to 20 kt. Seas 8 to 10 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...E winds 15 to 20 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft.