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Conditions at Ferrugem in August
August: Biggest Averages and Shifting Gears
August sees the highest average swell height of the winter sequence: 4.6ft (1.4m), with period still 9.2s. Ideal surf wind is 65%, so quality remains high as signs of spring appear. Swell direction tilts heavily toward the favorable E/ENE window: ENE 20.2%, E 18.7%, ESE 15.2% and SE 14.2%, while S and SSE drop to 12.7% and 12.9% respectively. This makes August one of the peak months for combining size with correct direction.
NNE winds have strengthened (17.1%), but NNW (15.9%) and SW/offshore flow remain generous, and the 5-6ft (1.5-2m) class appears more often from E/ESE/SE. Water temp is still a cold 17.6°C, air temp averages 15.9°C, and precipitation is low at 2.96 mm/day. For many surfers, August edges out the other winter months because it offers the biggest swell of the year and a more focused E/SE window after the S-swell retreats.
Average Spot conditions at Ferrugem in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Ferrugem 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 Ferrugem for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Ferrugem 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 Ferrugem.