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Conditions at Whangapoua Beach in August
August: Late-Winter Power Hints
August remains in the fair season but starts to hint at the transition to spring. The average period is 7.6s, with ENE at 14% and E at 13% leading the swell spectrum, followed by NNW at 12%, NE at 10% and NNE at 10%. The favorable N-NNE-NE-ENE window totals 38%, and there are still occasional pulses of 3-5ft (1-1.5m) energy from the northeast quadrant. Average height remains a small 1.5ft (0.5m), so those pulses are the exception, not the rule.
Windswell generation is in full swing. WSW is the single most common wind at 16.0%, W adds 11.5% and SW adds 11.6%, meaning offshore flow is available 35% of the time. The ocean is at its coldest, with water temperature down to 14.1°C and air temperatures averaging 13.1°C, while precipitation runs at 3.43mm/day. Ideal wind still only graces the coast 2% of the time, but a solid WSW morning in August can turn an ENE pulse into surprisingly punchy, workable lines.
Average Spot conditions at Whangapoua Beach in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Whangapoua 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 Whangapoua Beach for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Whangapoua 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 Whangapoua Beach.