Denvils • Surf Spot Statistics

Best Surf Season (May - August)

The South Atlantic storm track switches on as the austral winter approaches, and Denvils sees its most consistent pulse of SSW and SW groundswell. Average wave heights climb to 7-8ft (2.2-2.4m) and periods stretch past 12 seconds, putting this NNE-facing beach in the powerful long-period range. The statistics show that the N-ENE swell window is essentially absent, so it is the cold fronts and deep lows spinning below the African continent that supply the energy. When an S to WSW offshore wind greases the surface, the result can be pumping, firing waves.

Fair Surf Season (March - April & September - November)

During the shoulder seasons, the ocean is still full of late or early winter energy. March and April hold average swells of 6-7ft (2.0-2.1m) with periods around 11.4-11.7s, while September through November starts to unwind from winter but retains 7-7.5ft (2.1-2.3m) groundswell with lighter winds. The wind distribution becomes more mixed, with WSW and SW offshore flows competing against growing E/ENE trades. These months offer the best blend of size and clean surface, especially when a high-pressure cell positions itself just south of the continent.

Low Surf Season (December - February)

Summer at Denvils is the least powerful season, with average swell heights dropping to 6-6.5ft (1.9-2.0m) and periods shrinking to 10.7-11.0s. The SSW and SW swells still arrive, but they are less energetic and often shorter period. The trade-off is cleaner winds: offshore S/SW/WSW flow is more frequent, giving a greater number of smooth, groveling-to-fun sessions. It is not flat by any means, but the X-factor of winter groundswell is missing.