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Dee Why Point • Statistics for August

Conditions at Dee Why Point in August

August: Late-Winter Gold

August keeps the winter formula intact while slowly signaling spring. The average swell height remains at 5ft (1.6m) and the average period is still solid at 9.2s. S and SSE swells remain prominent, but there is a clear uptick in NE, ENE and ESE energy compared with the deepest winter months. The wind field is still strongly favorable, with NW and W winds especially common and the ideal wind percentage sitting at 40%. This combination produces plenty of clean, grinding surf before the midday sun starts to stir a sea breeze.

Water temperature hits the annual low of 18.2°C, air temperatures average 14.4°C, and rainfall remains low at 1.75 mm/day. August is a goldmine for surfers who are willing to brave the cooler mornings.

Average Spot conditions at Dee Why Point in August

Swell history for August

0 - 2
2 - 3
3 - 5
5 - 6
6 - 8
> 8 ft

Wind history for August

0 - 6.2
6.3 - 12.4
12.4 - 18.6
18.6 - 24.9
24.9 - 31.1
> 31.1 mph

Swell quality

Analyze the groundswell consistency at Dee Why Point 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 Dee Why Point for your next trip in August.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Dee Why Point 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 Dee Why Point.

Swell with good wind

Swell with good wind by size

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