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Conditions at Little Wanganui in August
August: Late Winter, Still Packing a Punch
August continues the winter theme, with average swell heights steady at 7ft (2.1m) and the longest average period of the year, 12.5s. The swell direction shifts slightly more toward the W than midwinter: WSW is 38.9%, W is 17.7%, and WNW adds 8.1%. That direct W energy is excellent for this beach, producing grinding lefts and rights depending on the bank structure. The distribution is heavily weighted toward the 1.5-2.5m range, so consistent, powerful waves are the norm.
Wind is still favourable, though slightly less consistent than June and July. Ideal offshore conditions occur 48 percent of the time; ESE (16.4%) and E (8.5%) remain the primary clean winds, but NW and NNW onshores begin to creep back in as spring approaches. Water temperature is at the annual minimum around 12.1°C, and air temps average only 9.1°C. August remains a high-quality month, especially early in the month before the spring transition takes hold.
Average Spot conditions at Little Wanganui in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Little Wanganui 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 Little Wanganui for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Little Wanganui 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 Little Wanganui.