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Conditions at The Alley in August
August: Late-Winter Transition
August signals the beginning of the end of winter's clean grip. Average swell height remains 0.9m (3ft), but the period eases to 8.5s and ideal winds drop to 52 percent. E (19.2%), ESE (20.7%), and SE (17.9%) still dominate, though ENE (12.9%), NE (6.2%), and NNE (6.6%) start to reappear, a hint of spring's trade winds. The wind field becomes split between NW (8.8%), NNW (13.7%), and S (10.8%), SSW (9.4%), so consistency suffers. The dry season continues with just 1.46 mm/day of rain, air temps near 18.7°C, and water temps at the annual low of 20.2°C. On good days, a strong Tasman low still delivers 3-4ft (0.9-1.2m) SE groundswell with offshore W/SW flow; on bad days, the morning clean-up turns lumpy by midday.
Average Spot conditions at The Alley in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at The Alley 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 The Alley for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at The Alley 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 The Alley.