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Conditions at Praia do Silveira in August
August: Bigger Swell, Slightly More Wind
August is the last full month of meteorological winter, and it brings the highest average swell height so far at 1.4m (4-5ft). The swell directions are very favorable: ENE (20.2 percent) and E (18.7 percent) dominate, with ESE (15.2 percent), SE (14.2 percent), SSE (12.9 percent) and S (12.7 percent) all well represented. There is a noticeable amount of 1.5-2m energy, plus a significant chunk of 2-2.5m S swell (2.0 percent), so bigger days are more common than earlier in the season. The trade-off is wind: ideal conditions drop to 31 percent, as N (19.2 percent) and NNE (20.4 percent) winds strengthen during the late-winter transition. Still, SSW (17.0 percent) and SW (9.1 percent) continue to provide post-frontal offshore windows. Water temp bottoms out at 17.6°C, and air temps average only 15.9°C. If you want a bigger, more powerful Praia do Silveira, August is arguably your month-just be ready to wait for a westerly wind to clean up the bump.
Average Spot conditions at Praia do Silveira in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Praia do Silveira 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 Praia do Silveira for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Praia do Silveira 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 Praia do Silveira.