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Conditions at Sennen Cove in August
August: Summer Fizzle With Hope
August remains in the summer doldrums but is not necessarily flat. Sennen's average swell height holds at 4ft (1.2m) with an 8.4s period, and the dominant W swell is still omnipresent at 36.5%, with WSW 20.4% and WNW 15.5%. Most of that energy is small - 2-3ft (0.5-1m) - but occasional 6ft (2m) pulses from hurricanes or early-season gales can ignite the bay. The wind is ideal 13% of the time, and the mix of lighter SW-WSW winds and warm, sunny spells keeps summer surfers interested. Water temperature peaks at 17.0°C, while air averages 16.7°C. On days with a small NW swell and dawn offshore S winds, Sennen can still offer fun, clean waves. It's not firing, but it's the best season for beginners and longboarders.
Average Spot conditions at Sennen Cove in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Sennen Cove 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 Sennen Cove for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sennen Cove 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 Sennen Cove.