843 FZNT31 KNHC 261939 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 339 PM EDT Wed Mar 26 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...Winds off Colombia will pulse to near gale force speeds tonight through at least the upcoming weekend, strongest at night and early morning. Fresh to strong winds will develop in the lee of Cuba, in the Windward Passage, and over the waters between Cuba Thu night through Fri night. Similar winds will develop offshore central Honduras and south of Hispaniola from Thu night through the upcoming weekend and into early next week. Mainly moderate to fresh winds will prevail elsewhere, except diminishing to light to gentle in the lee of Cuba late in the weekend. Meanwhile, northerly swell may impact the Atlantic Passages this weekend. NW Caribbean W of 85W .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 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. .SAT...SE 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 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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. Caribbean N of 15N between 72W and 85W .TONIGHT...S of 18N, NE winds 10 to 15 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 20 kt after midnight. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 4 to 6 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. .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 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .THU...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .THU NIGHT...NE winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .FRI...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. .FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...E winds 15 to 25 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 6 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TONIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .THU...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 5 to 7 ft elsewhere. .THU NIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .FRI...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 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. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON 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...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 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 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 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. 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. .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 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 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 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 8 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extending from 31N67W to the SE Bahamas will shift slowly eastward through early Thu while weakening. Another cold front extending from 31N76.5W to near Jacksonville, Florida will reach from 31N60W to the SE Bahamas by Thu evening where it will merge with the old front, then gradually washing out through early Sat. High pressure will build in the wake of the front, bringing an increase in winds across much of the waters south of 29N by the end of the week and into the weekend. Rough seas will build across the same waters as a result. Winds and seas will start to decrease later in the weekend as the high shifts eastward and weakens. Another cold front may move off the SE United States coast by early Tue. ATLC waters from 27N to 31N W of 77W .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 15 to 20 kt. Seas 6 to 8 ft. .SAT...SE winds 15 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...SE winds 15 to 20 kt. Seas 6 to 7 ft. .SUN...SE winds 10 to 20 kt. Seas 6 to 7 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 6 to 7 ft. .MON...S winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 5 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...W of 70W, NW winds less than 10 kt, becoming N 10 to 20 kt after midnight. Elsewhere, W winds 10 to 15 kt, shifting to SW after midnight. Seas 3 to 5 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...SE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft. Bahamas N of 22N .TONIGHT...NE winds 10 to 15 kt. Seas 3 ft. .THU...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 15 to 25 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...NE winds less than 10 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 5 to 7 ft. .THU...W of 70W, NE winds 10 to 20 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...NE winds 15 to 25 kt W of 70W, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...E winds 15 to 20 kt. Seas 8 to 11 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 8 to 11 ft. .SUN...E winds 15 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .MON...SE winds 10 to 20 kt. Seas 7 to 8 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters S of 22N W of 65W .TONIGHT...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 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 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 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 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. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .THU...SE winds 10 to 20 kt. Seas 7 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 9 ft. .SAT...E winds 15 to 20 kt. Seas 7 to 9 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .SUN...E winds 20 kt. Seas 8 to 9 ft. .SUN NIGHT...E winds 20 kt. Seas 8 to 9 ft. .MON...E winds 20 kt. Seas 9 ft. .MON NIGHT...E winds 20 kt. Seas 8 to 9 ft.