


Offshore Forecast
Issued by NWS
Issued by NWS
382 FZNT31 KNHC 090239 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1039 PM EDT Tue Apr 8 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...A slow-moving cold front will drift across the NW Caribbean through tomorrow, then will gradually dissipate from E Cuba to the Honduras-Nicaragua border Thu. Fresh to strong NW to N winds will follow the front across the Yucatan Channel and far NW Caribbean through early tomorrow. Elsewhere, moderate to fresh trades will prevail in the south-central Caribbean into the weekend, with locally strong winds pulsing off Colombia tonight. Farther east, large N swell will continue to impact Atlantic waters east of the Lesser Antilles through Thu. Looking ahead, fresh to strong N winds will follow the remnants of the front off the coast of Nicaragua late Fri into Sun. NW Caribbean W of 85W .OVERNIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...N winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 15 kt S of 18N, and SW less than 10 kt elsewhere. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .OVERNIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .WED...N winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .WED NIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .THU...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 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. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A frontal boundary extends from just west of Bermuda to the Florida Straits this evening. Along and just ahead of the front, scattered strong thunderstorms are producing locally strong to near gale force winds. This front will move east tomorrow, then gradually stall as low pressure forms along it just northeast of the Bahamas. NE winds will develop north of the Bahamas tonight and increase to gale force north of 29N between 74W-76W tomorrow. As the low moves away from the area and weakens Thu, conditions will improve. Looking ahead, a weaker cold front will move off the coast of Florida late Fri, followed by moderate to fresh NW winds. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 15 to 25 kt. Seas 4 to 6 ft, building to 6 to 9 ft in the afternoon. .WED NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .THU...NE winds 10 to 20 kt. Seas 8 to 12 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...SE winds less than 10 kt, shifting to SW in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...W winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .OVERNIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .WED...N of 29N between 74W-77W NE to E winds 25 to 35 kt. Elsewhere SE winds 15 to 25 kt W of 70W, and S 10 to 15 kt remainder of waters. W of 70W, seas 6 to 8 ft, building to 8 to 11 ft in the afternoon. Elsewhere, seas 4 to 6 ft. .WED NIGHT...W of 70W, E winds 15 to 25 kt. Elsewhere, S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 8 to 13 ft W of 70W, and 5 to 7 ft elsewhere. .THU...SE winds 10 to 20 kt. Seas 8 to 11 ft W of 70W, and 4 to 6 ft elsewhere. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...S winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .SAT...S winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...W winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. Bahamas N of 22N .OVERNIGHT...S winds less than 10 kt. Seas 3 ft. .WED...SW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 ft. .WED NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 ft. .THU...N winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .FRI...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. .SAT...NW winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NW winds less than 10 kt. Seas 2 ft or less. .SUN...N winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .WED...S winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. .THU...W of 70W, SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .FRI...SE winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NW winds less than 10 kt, shifting to N after midnight. Seas 3 to 5 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E 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 less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .FRI...E winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft. .WED...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.