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Conditions at Hermosa Beach in August
August: The Peak Summer Lull
August is the absolute low point for wind quality at Hermosa Beach, with only 10% ideal offshore flow. W wind dominates at 33.3%, WSW at 25.3%, and SW at 11.7%, reinforcing the onshore afternoon pattern. The swell mix remains small SW/WSW, with average height at 0.8m, average period 12.5s, and less than 6% of readings exceeding 1m (3.3ft). Water is warm at 17.3°C and air averages 24.1°C. It is pure grovel territory, although rare long-period southern hemi pulses can still line up if you catch an early glass-off before the W breeze builds.
Average Spot conditions at Hermosa Beach in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Hermosa 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 Hermosa Beach for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Hermosa 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 Hermosa Beach.