


Offshore Forecast
Issued by NWS
Issued by NWS
769 FZNT31 KNHC 150317 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1117 PM EDT Tue Oct 14 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 cold front will move across Cuba and the NW Caribbean through Thu before dissipating. Moderate to locally fresh winds and moderate seas are expected in the wake of the front. Unsettled weather conditions will persist along and ahead of the frontal boundary through Wed night. Elsewhere, a weak pressure gradient will support moderate or lighter winds and slight to moderate seas over much of the basin through Sat. Easterly winds in the E Caribbean will become mainly fresh by Sat evening as a vigorous tropical wave approaches the Lesser Antilles. The tropical wave is forecast to enter the E Caribbean late on Sun and fresh trades will extend to the central basin waters. NW Caribbean W of 85W .OVERNIGHT...NE winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .THU...Variable winds less than 10 kt, becoming W less than 10 kt in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .THU NIGHT...E winds less than 10 kt. Seas 2 ft or less. .FRI...E winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SUN...SE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .THU...Variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...N winds less than 10 kt. Seas 2 ft or less. .FRI...N winds less than 10 kt, shifting to SE in the afternoon. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...SE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SUN...SE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds less than 10 kt, shifting to E after midnight. Seas 3 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE winds less than 10 kt. Seas 2 ft or less. .WED...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .THU...Within 90 nm of coast of Colombia, Variable winds less than 10 kt, becoming SW 10 to 15 kt in the afternoon. Elsewhere, Variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .FRI...Variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. Seas 2 ft or less. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SUN...E winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .OVERNIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...W winds less than 10 kt. Seas 2 ft or less. .THU...Variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 2 ft or less. .FRI...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 2 ft or less. .FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .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. Caribbean between 64W and 72W .OVERNIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and E less than 10 kt elsewhere. Seas 3 ft. .WED...SE winds less than 10 kt. Seas 3 ft. .WED NIGHT...SE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Gulf of Venezuela, seas 2 ft or less. Elsewhere, seas 3 ft in the evening, subsiding to 2 ft or less. .THU...S winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SW winds less than 10 kt. Seas 2 ft or less. .FRI...Variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .WED...SE winds less than 10 kt, shifting to S in the afternoon. Seas 3 to 5 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .THU...S winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN 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 .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 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 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extending from 31N67W to Jupiter, Florida will move SE across the forecast waters through Thu before dissipating. The front will reach from near Bermuda to central Cuba by Wed morning, and from 31N59W to eastern Cuba by Thu morning. Fresh to strong winds and rough seas are expected on either side of the front across the waters N of 27N later tonight. These marine conditions will shift eastward with the front through late in the week. A reinforcing front will follow the main front, and is forecast to extend from 31N60W to the Straits of Florida by Fri morning. Meanwhile, Tropical Storm Lorenzo is near 19.6N 45.6W at 11 PM EDT, and is moving north- northwest at 10 kt. Maximum sustained winds are 35 kt with gusts to 45 kt, and the minimum central pressure is 1005 mb. Lorenzo will move to 21.3N 44.9W Wed morning, 24.0N 42.6W Wed evening, 26.9N 38.9W Thu morning, and dissipate Thu evening. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .WED...N winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 7 to 9 ft. .FRI...NE winds 10 to 15 kt. Seas 7 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft. .SAT...E winds 10 kt. Seas 5 to 7 ft. .SAT NIGHT...SE winds 10 kt. Seas 5 to 7 ft. .SUN...S winds 10 kt. Seas 5 to 7 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NW winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...N winds 10 to 15 kt W of 70W, and NW 10 to 20 kt elsewhere. Seas 7 to 10 ft. .THU...N winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...N winds 15 to 25 kt. Seas 8 to 12 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 8 to 13 ft. .SAT...N winds 10 to 15 kt. Seas 8 to 13 ft. .SAT NIGHT...N winds 10 to 15 kt, shifting to NE after midnight. Seas 8 to 13 ft. .SUN...Variable winds less than 10 kt. Seas 8 to 11 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 6 to 9 ft. Bahamas N of 22N .OVERNIGHT...NE winds 10 to 15 kt. Seas 3 ft. .WED...N winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .THU...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. 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 4 to 6 ft. .FRI NIGHT...NE 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. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...W of 70W, NW winds less than 10 kt. Elsewhere, SW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .WED...W winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .THU...NW winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...N winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...N winds 10 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 7 to 10 ft. .SUN...E winds less than 10 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .WED...SW winds less than 10 kt. Seas 3 ft. .WED NIGHT...W winds less than 10 kt. Seas 3 ft. .THU...NW winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. .FRI...NW winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .SAT...NE winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...SE winds less than 10 kt. Seas 4 ft. .WED...S winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 kt. Seas 4 to 6 ft. .THU...SW winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...SW winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 5 to 7 ft. .SUN...E winds less than 10 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft.