Isla de Santa Marina - surf spot statistics

Isla de Santa Marina in Spain offers surfable conditions year-round, but the best months for experienced surfers are typically from October through March. During this period, ground swell dominates (65–85% of the time), providing cleaner, more organized waves with mean swell heights ranging from 1.5m to 2.0m—ideal for performance surfing. Winter months (December–February) bring the largest swells (1.9–2.0m), though wind conditions are less favorable (only 25–29% good wind days), often creating challenging cross-shore or onshore winds. Autumn (September–November) and early spring (March) strike a balance between decent swell size (1.5–1.8m) and slightly improved wind chances (31–35% good winds). From April to August, conditions deteriorate for high-performance surfing. Swell consistency drops as wind swells become more prevalent (37–73% of the time), and mean swell height falls below 1.4m, often resulting in weaker, less powerful waves. Summer months (June–August) see the smallest swells (~1.0m) and persistent poor wind conditions (68–70% bad winds), making it a better time for beginners or longboarders. September marks a transitional month, with improving ground swell (47%) and marginally better winds (35% good), offering a preview of the coming winter season. For serious surfers, prioritizing late autumn to early winter will yield the most powerful waves, despite wind challenges, while those seeking a compromise between swell and wind might prefer March or October.

August at Isla de Santa Marina offers generally small but rideable waves, with an average swell height of 1.0m and a decent period of 9.2s, suggesting consistent, well-formed waves. The best conditions come from NW, NNW, and WNW directions, contributing the majority of waves in the 0.5–2.5m range, with NW swells being the most dominant (22.63% at 0.5–1m and 11.21% at 1–1.5m). Larger waves (1.5m+) are less frequent but present, mainly from NW and WNW. Wind conditions are favorable for surfing only 32% of the time, with lighter winds (10–20kph) from N, NNE, and NE being most common. Stronger winds (>20kph) occasionally come from W and WNW, which may create choppy conditions. Overall, expect smaller, mellow waves ideal for less experienced surfers, with occasional cleaner sessions when offshore winds align.