Conditions at Sesimbra in August
August: Dog Days of Summer
August is nearly a clone of July: average surf 3ft (1.0m), period 9.1s, and a huge NW component at 66% of the swell. There is a touch more energy than July, with a few more waves in the 1.5-2m band, and ideal wind improves to 46%. NNW winds still dominate at 46%, and the water is at its warmest for the year at 17.8°C. Air temps hit 20.5°C and the days are long, sunny and dry. This is not the month for chasing raw power at Sesimbra, but small, clean, rippable peaks are still on offer, especially if you can pick off a west or SSW swell window.
Average Spot conditions at Sesimbra in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Sesimbra 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 Sesimbra for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sesimbra 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 Sesimbra.