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Conditions at Wickaninnish in August
August: Small Swell with a Hint of Autumn
August remains stuck in the summer lull, but there is a subtle shift in the air. The average swell height is still only 0.9m (3ft), with a period of 10.3s, and the swell direction is overwhelmingly W (47.2%) and WSW (33.1%). Most waves fall in the 0.5 to 1m category, with only a small amount of 1 to 1.5m energy. It is a month for small-wave equipment and patience, though the longest-period W swells can finally start showing a pulse in the final days of the month.
Ideal offshore wind improves slightly to 15%, while the WNW (33.2%) and W (16.0%) directions remain the dominant wind flow. Water temperature is now at the yearly maximum of 14.4°C, air temperature averages 14.9°C, and precipitation stays low at 1.99mm per day. If you are chasing clean summer surf, the early mornings are still the only reliable window.
Average Spot conditions at Wickaninnish in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Wickaninnish 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 Wickaninnish for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Wickaninnish 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 Wickaninnish.