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Conditions at Santa Rosa in August
August: Maximum Size, Minimal Polish
August continues the winter barrage. Average wave height remains at 1.9m (6.2ft), and the period recovers to 13.0s, restoring a cleaner groundswell signature beneath the stormy surface. The swell window is again a mix of 71% SSW and 17% S, with only a small direct SW component. The dominant issue is the south wind: SSW takes over as the leading direction at 50.5%, with S close behind at 42.7%, and ideal wind remains 0%. Speeds in the 10-20kph range are the norm, leaving most sessions textured and drifty. Sea surface temperature reaches the annual low at 15.5C, and the desert skies stay dry. When a brief morning lull combines with a 13s SSW swell, the break can still throw surprisingly heavy, makeable waves.
Average Spot conditions at Santa Rosa in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Santa Rosa 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 Santa Rosa for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Santa Rosa 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 Santa Rosa.