East Cape Sable to Chokoloskee out 20 to 60 NM Marine Forecast
| Tonight...Northeast Winds 15 To 20 Knots, Decreasing To Near 15 Knots. Seas 2 To 4 Feet, Occasionally To 5 Feet. Wave Detail: Northeast To East 4 Feet At 4 Seconds. Isolated Showers. |
| Thursday...Northeast To East Winds Near 15 Knots, Decreasing To 10 To 15 Knots. Seas 2 To 4 Feet, Occasionally To 5 Feet, Subsiding To 2 To 3 Feet. Wave Detail: Northeast 3 Feet At 4 Seconds. Isolated Showers. |
| Thursday Night...Northeast To East Winds Near 10 Knots. Seas Around 2 Feet. Wave Detail: Northeast 2 Feet At 4 Seconds. Isolated Showers. |
| Friday And Friday Night...Northeast To East Winds 5 To 10 Knots. Seas 1 To 2 Feet. Isolated Showers. |
| Saturday...East Winds Near 10 Knots. Seas 1 To 2 Feet. |
| Saturday Night...East To Southeast Winds Near 10 Knots. Seas 1 To 2 Feet. |
| Sunday...Southeast Winds 5 To 10 Knots. Seas 1 To 2 Feet. Isolated Showers. |
| Sunday Night...Southeast Winds 5 To 10 Knots, Becoming Variable. Seas Around 1 Foot. Isolated Showers. |
| Monday...Variable Winds 5 To 10 Knots, Becoming Northwest To North And Increasing To 10 To 15 Knots. Seas Around 1 Foot, Building To 2 To 4 Feet, Occasionally To 5 Feet. Isolated Showers. |
| Monday Night...Northwest To North Winds Near 15 Knots, Becoming North And Increasing To 15 To 20 Knots. Seas 3 To 5 Feet, Occasionally To 6 Feet, Building To 5 To 8 Feet, Occasionally To 10 Feet. Isolated Showers. |
GMZ005 Synopsis Issued: 430 PM EST Wed Jan 21 2026
Synopsis...
A Broad High Pressure System Located Just Off The Mid-Atlantic Will Continue Slowly Weaken As It Slides Further Eastward Through The Rest Of The Work Week. Breezes Will Slacken As The Pressure Gradient Weakens, And Gentle To Moderate Breezes Are Expected Across The Nearshore And Offshore Waters For Thursday Through Saturday, Becoming Light To Gentle For Sunday. A Strong Winter Storm Will Impact The Southeast Over The Weekend, Driving A Strong Frontal Boundary Through The Keys Marine Zones Monday Afternoon And Evening. Winds Will Clock Around To The North In Its Wake For Early Next Week, Becoming Fresh To Strong. The Approximate Shoreward Edge Of The Gulf Stream As Of January 18... 18 Nm South Of Dry Tortugas Light...On Loggerhead Key. 16 Nm South Of Cosgrove Shoal Light...Off The Marquesas Keys. 15 Nm South Of Sand Key Light...Off Key West. 13 Nm South Of Looe Key...Off Big Pine Key. 13 Nm Southeast Of Sombrero Key Light...Off Marathon. 12 Nm Southeast Of Alligator Reef Light...Off Islamorada. 7 Nm Southeast Of Molasses Reef Light...Off Key Largo. 4 Nm Southeast Of Carysfort Reef Light...Off Ocean Reef. Gulf Stream Information Courtesy Of The National Weather Service In Key West Based On Products From Nasa Sport And Rtofs.
...