Offshore Forecast
Issued by NWS
Issued by NWS
763 FZNT31 KNHC 020859 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 359 AM EST Tue Dec 2 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 is moving across the NE Caribbean. Winds will diminish across the basin today and Wed as the trough progresses westward, disrupting the influence of the subtropical ridge. However, winds will freshen up again late this week as the high pressure builds in north of the area. Meanwhile, moderate to locally rough seas, in NE swell, will persist across the NE Caribbean passages through the week and into the weekend. NW Caribbean W of 85W .TODAY...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...NE winds less than 10 kt. Seas 3 ft. .WED...NE winds less than 10 kt. Seas 3 ft. .WED NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 3 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 ft. .SAT...SE winds less than 10 kt. Seas 3 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. 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, E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .WED...NE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 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 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...NE 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 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...E winds 10 to 15 kt. Seas 3 to 5 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. SW Caribbean S of 11N .TODAY...N winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. 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, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...NE winds less than 10 kt, shifting to N after midnight. 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 5 ft. .FRI NIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .TODAY...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TONIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and NE less than 10 kt elsewhere. Seas 3 to 4 ft. .WED...NE winds 10 to 15 kt Gulf of Venezuela, and NE less than 10 kt elsewhere. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Gulf of Venezuela, seas 3 ft in the evening, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 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 20 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...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 15 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 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 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...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 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front extends from a 1013 mb low pres near 31N78W to Palm Beach, Florida, and is forecast to lift northward this morning. Expect fresh to strong southerly winds and building seas across the area north of 28N and west of 74W today as low pressure moves from the northern Gulf of America to the Carolinas. The associated cold front will reach the waters off the northeast Florida coast late today, extending from near Bermuda to South Florida on Wed, and from 31N60W to central Cuba by late Thu. Meanwhile, fresh to strong easterly winds and rough seas follow a surface trough currently located near 63W. The trough will continue to move westward, passing just N of Puerto Rico today, and N of Hispaniola Wed and Thu. Winds and seas in the wake of the trough will gradually diminish over the next couple of days. ATLC waters from 27N to 31N W of 77W .TODAY...SW winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NW winds 10 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds 10 kt. Seas 4 to 5 ft. .THU...N winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 5 ft. .THU NIGHT...NE winds 10 kt. Seas 4 to 5 ft. .FRI...S winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds less than 10 kt. Seas 5 to 7 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...S winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...SW winds 10 to 20 kt. Seas 6 to 8 ft. .WED...W of 70W, W winds 10 to 15 kt, shifting to NW in the afternoon. Elsewhere, W winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...NW winds less than 10 kt. Seas 5 to 7 ft. .THU...N winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds less than 10 kt. Seas 4 to 5 ft. .SAT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...W winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 6 to 8 ft. Bahamas N of 22N .TODAY...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...S winds less than 10 kt. Seas 3 ft. .WED...N winds less than 10 kt. Seas 3 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .THU...NE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .SAT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .WED...N winds less than 10 kt. Seas 5 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 5 to 6 ft. .THU...NE winds less than 10 kt. Seas 5 to 6 ft. .THU NIGHT...NE winds less than 10 kt. Seas 5 to 6 ft. .FRI...E winds 10 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 10 kt. Seas 5 to 6 ft. .SAT...SE winds 10 kt. Seas 5 to 6 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 5 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...E winds less than 10 kt. Seas 3 to 5 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 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 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 to 15 kt. Seas 7 to 10 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft. .WED...E winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.