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Conditions at Stoney Beach in August
August: Mid-Winter Power and Swell
August continues the winter theme, though the ideal wind frequency eases slightly to 31%. Average height stays at 1.3m with a 10.4s period. The sea temperature reaches its annual minimum at 9.1°C, while air averages 8.8°C. E swell is the biggest single direction at 17.7%, with ENE at 16.3%, ESE at 14.1%, and SE at 12.8%. Wind-wise, SSW and SW combine for around 21% of observations, so Stoney still sees plenty of offshore days. The late-winter pattern often delivers overlapping swells from different directions; this creates inconsistent energy but also some slabby, powerful peaks when the sets line up. Expect more 4-6ft (1.2-1.8m) days, always with a cold, refreshing bite in the air.
Average Spot conditions at Stoney Beach in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Stoney Beach during August. 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 Stoney Beach for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Stoney Beach for August. 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 Stoney Beach.