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Conditions at Kalk Bay in August
August: Winter's Last Roar
August remains solidly winter, with average height 2.8m (9.2ft) and period 12.4s. Swell directions are similar: SW at 17.5%, SSW at 9.8%, WSW at 9.0%, and S at 3.4%. The wind regime still offers plenty of offshore opportunity as NNW at 17.5% and NW at 12.4% combine for roughly 30% of observations; ideal wind sits at 20%. Water temp remains a cold 14.7°C and air temp averages 12.0°C, so it's still full winter wetsuit territory. Precipitation drops slightly to 3.29mm/day. As the cold fronts start to become less organized, swell quality can still be excellent, with powerful 8-10ft (2.4-3.0m) sets pushing into the bay. It's the last big push before spring's transition begins.
Average Spot conditions at Kalk Bay in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Kalk 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 Kalk Bay for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Kalk 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 Kalk Bay.