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Conditions at Perranporth in August
August: Small Summer Swell and the Last of the Warm Water
August remains in the summer time capsule at Perranporth, with average swells around 3-4ft (1.1m) and an 8.5s average period. W swell continues to dominate the waverose at 48.2%, followed by WNW at 19.8% and WSW at 13.0%, but the size distribution is heavily concentrated in the 0.5-1.5m (2-5ft) bracket. The beach is exposed enough to catch restless summer swell, yet it lacks the period and power to push the wave quality past fun. Wind conditions are still challenging for surfers: WSW and W winds combine for about 23% of the observations, and NNW flow is also prominent at 12.0%. Only 15% of the time does the offshore east/southeast flow truly align with the coast. As water temperatures peak at 17.5°C - the warmest of the year - and air temperatures average 16.7°C, August is prime time for warm-water cruising and summer sessions, not for chasing heavy Atlantic juice.
Average Spot conditions at Perranporth in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Perranporth 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 Perranporth for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Perranporth 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 Perranporth.