Roca Loca - surf spot statistics

Best Surf Season (December - April)

During these months, the Pacific coast of Costa Rica experiences the peak of the dry season, characterized by strong, consistent trade winds from the northeast that blow offshore across the Nicoya Peninsula. At Roca Loca, this translates to glassy morning conditions with a steady diet of SSW swell wrapping around the point. The average wave height sits between 1.0m and 1.2m, with periods often exceeding 13 seconds, delivering powerful, long-period groundswell that reels down the reef. The combination of clean offshore winds and solid swell makes this the prime window for classic Roca Loca waves.

Fair Surf Season (May & November)

May and November serve as transition months between the dry and wet seasons. During these months, the trade winds weaken and the Intertropical Convergence Zone (ITCZ) shifts north, allowing for occasional south-hemisphere swells. The swell height can reach up to 1.3m in May with periods of 14 seconds, offering some of the longest period waves of the year. However, wind conditions become more variable, with a higher chance of afternoon onshore breezes from the west. Early morning sessions are still rewarding, making these months a solid option for those willing to time the tides.

Low Surf Season (June - October)

The rainy season dominates from June through October, bringing increased cloud cover, precipitation, and a significant uptick in onshore winds from the WSW and W. The average wave height remains respectable around 1.4m, and the period still hovers in the 13-second range, but wind quality takes a nosedive. The percentage of ideal wind drops to as low as 25% in September. During this period, the swell direction shifts slightly more south-southwest, and the combination of onshore wind and powerful swell can create choppy, blown-out conditions. However, brief windows of light variable winds in the early mornings or during passing cold fronts can still produce punchy, rideable waves for the dedicated surfer.

March: Uptick in Swell Quality

March delivers an average swell height of 1.1m and an impressive average period of 13.5 seconds. The swell distribution shows a significant jump in the 1-1.5m range (57.0% of all swell) and even a small percentage over 1.5m, putting Roca Loca into 'pumping' territory at times. The SSW direction remains king at 92.6%. Ideal wind percentages hold at 33%, and when the offshore flow from the NNE to ESE kicks in, the waves become glassy and reeling. Onshore winds from the SW and WSW still dominate, but the increasing number of cleaner days compared to the preceding months makes March one of the best months to book a trip. The combination of long-period swell and occasional offshore mornings leads to some unforgettable sessions.