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Conditions at Still Bay in March
March: First Taste of Autumn Groundswell
March is when the South Atlantic starts to wake up. The average swell height rises slightly to 2.0m (6.5ft), the period lengthens to 11.2s, and the ideal wind percentage jumps to 22%. Swell directions are still dominated by SSW (31.3%) and S (19.9%), with SSE (12.6%) and SE (9.6%) completing a favourable SE-SSW total of 73.4%. E/ESE winds still make up 32% of the wind rose, so the summer trade isn't gone yet, but stronger frontal systems to the south are beginning to deliver longer-period energy. Those 11-12s SSW/SW pulses have enough period to stand up through the SE windswell and hold their shape on Still Bay's banks. The best days are classic early-autumn: a cold front slipping past Cape Town, N-NNW winds behind it, and 2m+ SSW swell running - that combination produces firing, head-high-to-overhead waves.
Average air temperature cools to 20.4°C, water temp drops to 19.7°C, and rainfall increases to 0.99mm/day.
Average Spot conditions at Still Bay in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Still Bay during March. 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 Still Bay for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Still Bay for March. 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 Still Bay.