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Conditions at Still Bay in August
August: Winter Hangs On, but the Edges Soften
August is still a very good month at Still Bay, but the first signs of spring begin to creep in. Swell height holds at a strong 2.2m (7.2ft) and period remains long at 12.1s, with SW (26.4%) and SSW (22.1%) dominating, plus S (9.3%) and SSE (5.3%) adding the direct south component. The main change is the wind: westerly and west-southwesterly winds increase, and the ideal wind percentage drops to 47%. Still, nearly a quarter of the wind comes from N/NNE/NW/NNW, so offshore windows remain frequent, especially in the wake of cold fronts. August is a power-surfing month - the swell is still heavy and consistent, but you need to choose your break carefully to avoid the increased WSW wind-bump. Water temp is the year's lowest at 14.9°C, so the 4/3 wetsuit is mandatory.
Air temperature averages 14.6°C, with rainfall steady at 1.13mm/day.
Average Spot conditions at Still Bay in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Still Bay 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 Still Bay for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Still Bay 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 Still Bay.