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Conditions at Green Island in August
August: Still Prime, But Spring Is Stirring
August continues the winter run, although the energy begins to mellow slightly. Average height drops to 1.6m (5ft), period eases to 9.1s, and ideal wind remains high at 52 percent. Offshore flow is still dominant, with WNW at 19.8 percent and NW/NNW combining for another 23 percent. S swell holds strong at 16.0 percent and SSE at 14.8 percent, but the NE quadrant begins to make a comeback, signaling the approaching spring. Water temperature is at its coolest of the year at 16.5°C, air averages 14.0°C, and rainfall stays modest at 2.31 mm/day. Think clean, fun-sized winter surf in the 3-5ft (1-1.5m) range with occasional bigger sets on the best S pulses.
Average Spot conditions at Green Island in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Green Island 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 Green Island for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Green Island 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 Green Island.