Conditions at Sagres in August
August: Late-Summer Lull With a Glimmer of Hope
August remains in the low season, though average swell holds at 4-5ft (1.4m) and the period nudges up slightly to 8.7s. NW (47.2%) and NNW (41.4%) still dominate completely, with W/WNW making up the rest; favorable S/SE energy is effectively absent. The waves are consistent but generally underpowered, with occasional 2ft (0.6m) days.
Wind remains strongly NNW (65.4%) and NW (12.7%), often in the 20-40kph range, and ideal wind improves a bit to 25%. Water temp reaches 18.9°C, air averages 21.8°C (16.3-33.3°C), and rain is 0.10mm/day. By the last week of August, you can feel the Atlantic starting to breathe again-swell direction gradually shifts from NNW back toward NW/WNW, offering the first sign of the coming fall.
Average Spot conditions at Sagres in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Sagres 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 Sagres for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sagres 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 Sagres.