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Conditions at Muizenberg in May
May: The South Atlantic Roars to Life
May is the true beginning of the prime surfing season at Muizenberg. The South Atlantic storm track becomes fully active, sending cold fronts across the Cape of Storms and generating a steady conveyor belt of long-period south-west groundswell. Average swell height jumps to around 8.5ft (2.6m), average period holds at 12.4s, and the waverose is filled with SW (25.7%), WSW (11.9%), SSW (11.8%) and S (4.0%) energy. Critically, the wind balance tips in the surfer's favor: NNW jumps to 22.3%, NW 8.2%, N 4.4% and NNE 2.9%, while SE/SSE still occupy 13.5% and 15.5% respectively. The result is a 31% ideal-wind rating - the joint highest of the year - and many more clean, lined-up sessions. Water temp falls to 15.8°C, air temp averages 15.1°C, and precipitation climbs to 2.33 mm/day. This is not the month for shortboards or wetsuit-free surfing, but it is the month for waves.
Average Spot conditions at Muizenberg in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Muizenberg 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 Muizenberg for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Muizenberg 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 Muizenberg.