Sopelana - surf spot statistics

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.

In May, Sopelana offers surfable conditions with an average swell height of 0.9m and a solid period of 10.0s, indicating clean, well-spaced waves. The primary swell directions are NW and NNW, contributing the majority of rideable waves, particularly in the 0.5-1.5m range, with occasional larger sets up to 2.5m. These swells are well-organized but may lack significant power, making it more suitable for intermediate surfers or those favoring a mellow session. Wind conditions are favorable only 23% of the time, with the best scenarios likely occurring during lighter offshore winds from the E/NE or variable winds under 20kph. However, W/NW winds—often stronger and onshore—are more frequent, potentially causing choppy conditions. Overall, May delivers consistent but smaller waves, with peak sessions depending on wind alignment. Patience and timing will be key to scoring cleaner, head-high(ish) days.