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Conditions at Oakura Beach in August
August: The Peak of the Winter Pulse
August is statistically the peak of Oakura's winter swell machine. Average swell height holds at 2.1m (7ft), the period stretches back to a powerful 12.1s, and the ideal WNW-NW window reaches its seasonal maximum at around 13.9 percent of the total wave energy. WSW remains dominant at 33.1 percent, but W jumps to 13.6 percent and WNW to 7.0 percent, meaning a larger share of the swell is approaching from the direction that actually works best on this beach. When a strong front pushes through the Tasman Sea, long-period W-WNW swells can easily produce solid 8-10ft (2.4-3m) peaks.
The weakest link in August is wind: ideal conditions sit at just 21 percent, with WSW leading the offshore flow at 14.6 percent but NW/NNW onshore winds also present around 14 percent. Water temperature reaches its annual minimum at 13.6°C, air temps average 11.9°C, and precipitation remains significant at 4.34 mm/day. Chasing the standout days between cold fronts is the name of the game.
Average Spot conditions at Oakura Beach in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Oakura Beach 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 Oakura Beach for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Oakura Beach 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 Oakura Beach.