Conditions at Neva Bay in December
December: Peak of the Year
December is the statistical peak of the surf season at Neva Bay. The average swell height reaches 9.8ft (3.0m), the largest of any month, with the average period at 11.7s. Swell is led by WSW (10.3%), SW (8.5%), SSW (5.8%) and W (3.8%), and the larger size classes hold a meaningful share of 2m and 2.5m-plus waves from those directions. This is the lake at its most powerful. Ideal winds sit at 25%, with ESE/SE flow frequently present; the trick is finding the day when that flow is light and not storm-force. Air temps average 3.0°C (37°F), water temp is 6.8°C (44°F), and rain or snow mix is common. When the stars align, Neva Bay offers cold-water, high-quality winter surf at its finest.
Average Spot conditions at Neva Bay in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Neva Bay during December. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Neva Bay for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Neva Bay for December. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Neva Bay.