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Conditions at Wilderness in May
May: The Engine Room Opens Up
May sees a decisive shift into winter. Offshore wind leaps to about 35% of observations, with NNW alone at 17.6% and NW at 8.1%. The ESE sea breeze is still present, but it no longer controls the pattern. The raw swell table still reads flat, yet the Southern Ocean is becoming active, and the west-to-east passage of low-pressure systems starts delivering S/SW swells to the Garden Route. The combination of long-period S/SSW swell and early morning NNW offshore is one of the cleanest configurations Wilderness can offer. Water temperature drops to 16.9°C, air averages 16.4°C, and precipitation is a relatively light 1.04 mm/day. Surf quality becomes inconsistent but increasingly rewarding.
Average Spot conditions at Wilderness in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Wilderness during May. 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 Wilderness for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Wilderness for May. 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 Wilderness.