Surf forecastSpot statisticsHistorical report

Praia da Vieira seasonal overview

Praia da Vieira benefits from consistent ground swells throughout the year, but the best conditions for surfers typically occur from October through March. During these months, the swell is primarily ground swell-driven (65-92%), which produces cleaner, more powerful waves compared to the wind swell-dominated summer months. The mean swell size peaks in winter, averaging 2.1-2.5m, offering ideal conditions for intermediate to advanced surfers. Wind conditions are also more favorable in these months, with good wind days occurring 31-37% of the time, though offshore winds are still relatively scarce compared to other surf spots. The period from November to February stands out as the peak season, with December and January providing the largest swells (2.3-2.5m) and the highest likelihood of clean conditions. The summer months (May-August) see a significant drop in ground swell influence (14-39%), with smaller waves (1.4-1.6m) and predominantly poor wind conditions (78-85% bad winds), making them less reliable for quality surfing. September and October serve as transitional months, where ground swell begins to increase again, offering improving conditions. For surfers seeking the most consistent, powerful waves with the best wind alignment, targeting the winter months is recommended, while summer sessions are best suited for beginners or when small, wind-dependent swells prevail.

Loading chart...

Conditions at Praia da Vieira in August

August at Praia da Vieira offers generally small to mid-sized surf conditions, with an average swell height of 1.4m and a decent period of 9.2s, providing some quality rides despite the modest size. The swell direction is predominantly from the NW and WNW, making up the majority of rideable waves, including peaks in the 1-1.5m and 1.5-2m range. Larger sets (2m+) are rare but possible, mostly from NW and NNW directions. Wind conditions are a mixed bag—only 17% of the time is ideal for surfing, with the rest often featuring moderate to strong northerlies (N, NNW) that can create choppy or cross-shore disruptions. Morning sessions may offer cleaner conditions before winds pick up. Overall, August is surfable but inconsistent, requiring patience for the best windows when cleaner swells meet lighter winds. Advanced surfers can make the most of punchier NW swells, while beginners may find smaller days manageable.

Average Spot conditions at Praia da Vieira in August

Swell history for August

0 - 0.5
0.5 - 1
1 - 1.5
1.5 - 2.0
2.0 - 2.5
> 2.5 m

Wind history for August

0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
> 50 km/h

Swell quality

Analyze the groundswell consistency at Praia da Vieira 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 da Vieira for your next trip in August.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Praia da Vieira 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 da Vieira.

Swell with good wind

Swell with good wind by size