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Conditions at Cardoso in August
August: Heavy but Less Consistent
August is a bit of a mixed bag. The average swell height is still solid at 1.8m (6ft), and the mean period of 9.3s keeps things rideable. But the direction mix is less favorable: S/SSW/SW energy drops to 17%, while ENE/E/ESE trade swell accounts for 39% of the spectrum. For a south-facing beach, that means more mid-period lines that lack the same groomed, peaky quality. Wind percentages also decline - ideal conditions fall to 26% - although NNE/NE offshore flow still dominates the wind rose at 46% combined. Water temp stays at 17.3°C, air at 17.2°C, precipitation around 3.11mm/day. Keep an eye on synoptic charts for S/SW pulses; they still occur, but they're no longer the default.
Average Spot conditions at Cardoso in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Cardoso 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 Cardoso for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cardoso 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 Cardoso.