325 FZNT31 KNHC 192057 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 357 PM 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 early Wed as strong high pressure builds north of the cold front. The next strong cold front will reach the Yucatan Channel Wed afternoon, then stall and dissipate Wed night. NW Caribbean W of 85W .TONIGHT...SE winds less than 10 kt, shifting to E after midnight. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 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 5 to 7 ft. .WED NIGHT...NE winds less than 10 kt. Seas 6 to 9 ft. .THU...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. Caribbean N of 15N between 72W and 85W .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 9 ft S of 18N, and 3 to 5 ft elsewhere. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .TUE...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .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 4 to 6 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. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 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 12 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. .WED...E winds 15 to 25 kt. Seas 8 to 12 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 8 to 10 ft. .THU...E winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 9 ft. SW Caribbean S of 11N .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 7 to 10 ft. .TUE...NE winds 10 to 20 kt. Seas 8 to 11 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED...NE winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .TONIGHT...E winds 15 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 9 ft elsewhere. .MON NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela, and 7 to 10 ft elsewhere. .TUE...E winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 7 to 10 ft elsewhere. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 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 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI 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 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 8 to 11 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 8 to 11 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 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 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 8 to 11 ft. .TUE...E winds 10 to 20 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. .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...Fresh to locally strong south to southwest winds and rough seas prevail N of 27N between 65W and 80W in advance of a cold front across N Florida. This cold front will move into the northwestern waters this evening, reach from near Bermuda to western Cuba by Mon evening then stall and weaken on Tue. Scattered to numerous showers and thunderstorms, some strong, are expected to accompany this front through late this evening. 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. Another strong cold front is expected to move off the southeastern U.S. coast Tue evening, and reach from near 31N72W to the Florida Keys by Wed morning, then become aligned E to W along 27N and weaken quickly through early Thu. This front will be followed by strong to minimal gale force north winds and high seas north of 24N and W of about 70W through midday Wed. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE TUE NIGHT... .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...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...NE winds 10 to 20 kt, becoming N 20 to 30 kt after midnight. Seas 7 to 10 ft, building to 8 to 13 ft after midnight. .WED...NE winds 20 to 30 kt. Seas 9 to 14 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 9 to 12 ft. .THU...SE winds 10 to 15 kt, shifting to SW in the afternoon. Seas 8 to 10 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 8 to 9 ft. .FRI...NW winds 15 to 25 kt. Seas 7 to 8 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. ATLC waters from 27N to 31N between 65W and 77W .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...NE winds 10 to 15 kt W of 70W, and S less than 10 kt elsewhere. 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...SW winds 15 to 25 kt, shifting to NW 10 to 20 kt in the afternoon. Seas 8 to 11 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .THU...SE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...S winds 10 to 20 kt. Seas 7 to 9 ft. .FRI...W winds 10 to 20 kt. Seas 7 to 9 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft. Bahamas N of 22N .TONIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 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...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...W winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .THU...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .FRI...N winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .MON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 15 kt. Seas 6 to 8 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...SE winds less than 10 kt. Seas 6 to 9 ft. .THU...SE winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 7 ft. .FRI...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 7 ft. .FRI NIGHT...NW 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 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 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 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. .MON...E winds 15 to 20 kt. Seas 8 to 10 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. .TUE...E winds 15 to 20 kt. Seas 9 to 11 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 20 kt. Seas 8 to 9 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. .FRI...E winds 15 to 20 kt. Seas 8 to 10 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 8 to 9 ft.