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Conditions at North Narrabeen in August
August: Consistent Southern Swells
August keeps the winter ball rolling. Ideal offshore winds occur 39% of the time, average period is a solid 9.2s, and average swell height sits at 5ft (1.6m). The spectrum skews south: S at 17.1%, SSE at 16.4%, SE at 10.2%, with SSW and SW adding raw Southern Ocean energy. W and WSW winds lead the offshore flow (W 12.0%, WSW 10.9%, WNW 9.8%, NW 9.9%, NNW 11.6%), meaning the beach is often groomed clean. Water temp reaches the annual minimum of 18.2°C, air temp is 12.9°C, and precipitation is low at 1.63 mm/day. The waves are a touch smaller than June and July, but quality and consistency remain top shelf.
Average Spot conditions at North Narrabeen in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at North Narrabeen 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 North Narrabeen for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at North Narrabeen 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 North Narrabeen.