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Conditions at Coffee Bay in August
August: Powerful Swells Meet the Last Cold Fronts
August keeps the swell machine running at full capacity and actually produces the largest average height of the year at 2.3m (7.5ft). The period remains solid at 11.1s, so the waves are heavy and fast. S (16.2%) and SSW (15.6%) are still the main power sources, with SSE (10%), SE (7.5%), ESE (7.1%), and E (8.9%) giving plenty of opportunities for clean takeoffs on the bay's sand-bottom peaks and reef sections. The wind becomes the only caveat: ideal offshore conditions drop to 31% as the NE trades start to build again and spring approaches. Still, 31% is solid, and the frontal passages continue to bring W/NW backing winds. Water temp hits its annual minimum at 20.6°C, and the air is cool and dry (18.9°C, 1.27 mm/day). If you can pick the days with W/NW flow, August can dish out some of the biggest, most powerful surf of the year.
Average Spot conditions at Coffee Bay in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Coffee Bay 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 Coffee Bay for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Coffee Bay 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 Coffee Bay.