Offshore Forecast
Issued by NWS
Issued by NWS
078 FZNT31 KNHC 150815 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 315 AM EST Sat Nov 15 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 surface trough will meander offshore Honduras and Nicaragua today, bringing showers and thunderstorms. Fresh NE to E winds S of Cuba and offshore Colombia will diminish by tonight as a weak pressure gradient takes hold over the basin. This will result in an extended period of mainly gentle to moderate trade winds over area waters for the first half of next week. NW Caribbean W of 85W .TODAY...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft. .MON...E winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...S of 18N, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt S of 18N, and NE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .TUE...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft in the afternoon. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt within 90 nm of coast of Colombia, and E less than 10 kt elsewhere. Seas 3 ft. .MON...E winds less than 10 kt. Seas 3 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TODAY...NW winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. .SUN...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...Variable winds less than 10 kt. Seas 3 ft. .MON...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 ft. .TUE...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TODAY...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt Gulf of Venezuela, and E less than 10 kt elsewhere. Seas 3 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 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...NE winds 10 to 15 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...SE winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...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. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A dissipating stationary front from near 25N55W to the Turks and Caicos will be overtaken later this morning by a cold front that currently extends from 30N54W to the SE Bahamas. The front will then stall by tonight from near 23N55W to N of Hispaniola, where it will gradually dissipate Sun into Mon. Expect fresh to strong SW to W winds and building seas across the waters N of 29N Sun, ahead of a cold front forecast to reach the N part of the forecast region Mon. Rough seas, in mainly northerly swell, will periodically impact waters N of 28N through early next week. ATLC waters from 27N to 31N W of 77W .TODAY...N winds less than 10 kt. Seas 3 ft. .TONIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NW winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 kt. Seas 3 to 4 ft. .TUE...E winds 10 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 kt. Seas 3 to 4 ft. .WED...E winds less than 10 kt. Seas 3 ft. .WED NIGHT...E winds 10 kt. Seas 3 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...N winds 10 kt. Seas 5 to 7 ft. .TONIGHT...W of 70W, NW winds less than 10 kt, shifting to SW after midnight. Elsewhere, W winds 10 to 15 kt. Seas 3 to 5 ft W of 70W, and 6 to 8 ft elsewhere. .SUN...SW winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...W winds 15 to 25 kt W of 70W, and SW 15 to 25 kt elsewhere. Seas 6 to 9 ft. .MON...W winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NW winds 10 to 15 kt. Seas 6 to 9 ft. .TUE...NE winds 10 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Bahamas N of 22N .TODAY...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .TONIGHT...E winds less than 10 kt. Seas 3 ft. .SUN...Variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .MON...Variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .TUE...NE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...NE winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NE winds 10 to 15 kt W of 70W, and NE less than 10 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .SUN...W of 70W, E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, SE winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 3 to 5 ft. .MON...NW winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft. .TUE...Variable winds less than 10 kt, becoming NE 10 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...N winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SUN...Variable winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .MON...Variable winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 ft. .TUE...NE winds less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds less than 10 kt. 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. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SW winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft. .SUN...Variable winds less than 10 kt. Seas 5 to 6 ft. .SUN NIGHT...SE winds 10 kt. Seas 5 to 6 ft. .MON...SE winds 10 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 kt. Seas 5 to 6 ft. .TUE...E winds 10 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED...E winds 10 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 kt. Seas 6 ft.