Conditions at Foz do Arelho in August
August: Late Summer Wind and Warm Water
August stays stuck in the summer lull. Average swell height remains at 5ft (1.5m) with a 9.0s period, and the swell direction field is dominated by NNW at 48.3 percent and NW at 34.0 percent. Wind is still the main enemy: NNW blows 54.2 percent of the time, N adds 14.8 percent, and ideal offshore wind sits at just 6 percent. Wave heights are mostly in the 1 to 2m range, enough to tempt you, but quality is usually ruined by relentless onshore wind. Water peaks at 17.9C and air averages 19.9C, while rain is almost nonexistent at 0.34 mm/day. With the period still below 10s, Foz do Arelho is a fun but inconsistent summer beach break. Keep expectations low and the soft-top close.
Average Spot conditions at Foz do Arelho in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Foz do Arelho 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 Foz do Arelho for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Foz do Arelho 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 Foz do Arelho.