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Conditions at Scarborough in August
August: Still Huge, but Wind Windows Tighten
August maintains the winter swell peak with an average of 2.7m (9ft) and the longest average wave period of the year at 13.1s. The swell direction remains favorable, led by SW at 31.9%, WSW at 14.2% and a small but meaningful W at 2.9%. However, ideal wind drops to 35% as winter low-pressure systems strengthen and the westerly wind component increases. W winds sit at 7.3%, WSW at 8.3% and WNW at 7.4%, often putting a rough texture on the huge swell. Still, when the transition between fronts delivers NW to E flow, Scarborough cleans up into long, heavy, fast walls. Air temperatures bottom out around 15.6°C, water drops to 18.8°C, and rain remains high at 3.66mm/day. This is late-winter heavy-surf country for experienced surfers.
Average Spot conditions at Scarborough in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Scarborough 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 Scarborough for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Scarborough 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 Scarborough.