055 FZNT31 KNHC 190726 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 226 AM EST Sun Jan 19 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 northeast to east winds will prevail across most of the Caribbean and Tropical Atlantic waters into the upcoming week, with locally strong winds developing each night offshore of Colombia, and through the Atlantic Passages and downwind of Hispaniola. Easterly trade wind swell will produce rough seas through the Atlantic Passages through the upcoming week. A Gulf of Mexico cold front will sink slowly southward across the Straits of Florida and Yucatan Channel tonight, then stall and weaken across the far northwestern Caribbean and western Cuba Mon through Tue. Fresh to strong east winds and building seas will dominate most of the basin Mon night through Wed as strong high pressure builds north of the cold front. NW Caribbean W of 85W .TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E to SE winds less than 10 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...NE winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .THU...NE winds less than 10 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TODAY...SE winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .TONIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt elsewhere. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .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 15 to 25 kt S of 18N, and NE 10 to 15 kt elsewhere. Seas 6 to 8 ft S of 18N, and 4 to 6 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...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. .MON...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. .TUE...E winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .MON...NE winds 10 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 15 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...NE winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .TODAY...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 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .MON...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 9 ft elsewhere. .MON NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .TUE...E winds 15 to 25 kt. Seas 7 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 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 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. .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 15 to 25 kt. Seas 7 to 10 ft. .TUE...E winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED...E winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU 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 .TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. .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 15 to 25 kt. Seas 7 to 10 ft. .TUE...E winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .WED...E winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Fresh to locally strong south winds and rough seas are N of 26N between 67W and 74W in advance of a slow moving cold front that extends from near 31N74W to the NW Bahamas. Moderate to fresh trades will prevail elsewhere S of 23N through the period, with winds pulsing to strong speeds east of the Windward Islands at times. A strong cold front will move into the northwestern waters today preceded and followed by fresh to strong winds N of 28N. The front will reach from near Bermuda to western Cuba by Mon evening then stall on Tue. Scattered to numerous showers and thunderstorms, some strong, are expected to accompany this front. Another strong cold front is expected to move off the southeastern U.S. coast Tue night, and reach from near 31N73W to the Florida Keys by Wed morning. This front will be followed by strong to near-gale force north winds and building seas north of Cuba and W of about 70W through Wed. Winds with frequent gusts to gale-force may occur N of 29N W of 77W Tue night. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE N OF 29N TUE NIGHT... .TODAY...SW winds 20 to 30 kt. Seas 6 to 9 ft. .TONIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .MON...N winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...N of 29N, E winds 15 to 20 kt becoming NW to N 25 to 30 kt late with frequent gusts to 35 kt. Seas 6 to 8 ft, building to 10 to 15 ft late. S of 29N, E winds 10 to 20 kt becoming NW 15 to 25 kt late. Seas 6 to 8 ft, building to 8 to 13 ft late. .WED...N winds 15 to 25 kt. Seas 9 to 14 ft, building to 12 to 14 ft in the afternoon. .WED NIGHT...NE winds 10 to 20 kt. Seas 9 to 12 ft. .THU...E to SE winds 10 to 15 kt. Seas 8 to 9 ft. .THU NIGHT...Variable winds less than 10 kt, becoming W 10 to 20 kt late. Seas 7 to 9 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...SW winds 15 to 25 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...SW winds 15 to 25 kt W of 70W, and S 10 to 20 kt elsewhere. Seas 6 to 9 ft. .MON...W winds 10 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...W of 70W, NE winds 10 to 15 kt. Elsewhere, SW winds less than 10 kt, shifting to E after midnight. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...S winds 10 to 20 kt. Seas 6 to 8 ft. .WED...W winds 10 to 20 kt. Seas 7 to 9 ft, building to 8 to 13 ft in the afternoon. .WED NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .THU...E winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 7 to 9 ft. Bahamas N of 22N .TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds less than 10 kt. Seas 3 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...S winds less than 10 kt, shifting to NW in the afternoon. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .MON...W of 70W, SE winds 10 to 15 kt. Elsewhere, SE winds 10 to 15 kt. Seas 4 to 6 ft. .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...SE winds 10 to 15 kt. Seas 6 to 8 ft. .WED...S winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...E winds less than 10 kt. Seas 6 to 7 ft, building to 7 to 10 ft late. .THU...SE winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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...SE winds 10 to 15 kt. Seas 5 to 7 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 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 15 to 20 kt. Seas 8 to 9 ft. .TONIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. .MON...E winds 15 to 20 kt. Seas 8 to 9 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. .TUE...E winds 15 to 20 kt. Seas 8 to 10 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 9 to 11 ft. .WED...E winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 8 to 10 ft. .THU...E winds 10 to 15 kt. Seas 8 to 9 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft.