Surf forecastSpot statisticsHistorical report

Sopelana seasonal overview

Sopelana in Spain offers varying surf conditions throughout the year, with the best months typically falling in the winter and early spring. From January to March, the swell is predominantly ground swell (75-84%), which provides cleaner, more organized waves, averaging 1.4-1.6m in size. Wind conditions, however, are less favorable during these months, with only 29-30% of days seeing good offshore or cross-offshore winds. The swell consistency drops noticeably from April onward, with ground swells decreasing to 57% in April and falling below 40% from May to August. During this period, wind swells dominate, and the average swell size diminishes to 0.8-1.1m, making conditions less ideal for advanced surfers. September marks a transitional phase as ground swells start increasing again (45%), while October stands out as a solid month with 64% ground swells and slightly better wind conditions (34% good winds). November and December bring back stronger ground swells (72-79%) and decent wave heights (1.5m), though wind reliability remains inconsistent. Overall, the prime months for quality waves in Sopelana are October through March, with the highest consistency in swell and respectable wave size, despite the wind often being less than perfect. The summer months (May-August) are marginal, with smaller, wind-driven swells and fewer favorable wind days, making them better suited for beginners or longboarders. For serious surfers, the autumn and winter windows provide the best balance of swell power and rideable conditions.

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Conditions at Sopelana in August

In August, Sopelana offers relatively small but consistent surf, with an average swell height of 0.8m and a decent period of 9.3s, which helps maintain wave quality. The primary swell directions are NW, WNW, and NNW, contributing to the majority of rideable waves—particularly in the 0.5-1.5m range, with NW swells being the most dominant (28.24% at 0.5-1m and 9.81% at 1-1.5m). Larger swells (1.5m+) are infrequent, occurring less than 5% of the time. Wind conditions are less favorable, with only 23% of days providing ideal offshore or light winds for surfing. The most common winds blow from the N to NE quadrant at 10-20kph, which can create onshore chop, especially with stronger W or WNW winds (20-30kph). Overall, August is best suited for intermediate surfers during clean, smaller days, with occasional overhead sets on rare NW swell events. Patience and timing are key to scoring the best sessions.

Average Spot conditions at Sopelana 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 Sopelana 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 Sopelana for your next trip in August.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Sopelana 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 Sopelana.

Swell with good wind

Swell with good wind by size