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Conditions at Kalk Bay in March
March: The Autumn Transition Begins
March marks the first noticeable shift toward winter. The average period jumps to 11.7s while height stays at 2.3m (7.5ft). Swell-wise, SSW and SW remain the workhorses at 21.0% and 25.7%, but the southerly component - S at 11.2% and SSE at 4.4% - keeps some more favorable southeast-facing energy in the mix. The wind regime is still predominantly SE/SSE at 50.2% combined, but there's a clear increase in N/NW/NNW flow, and ideal conditions climb to 15%. Air temps average 20.1°C and water temp cools to 17.2°C. The South Atlantic high still exerts control, but as cold fronts start to sweep further north, these are the first real opportunities for glassy, long-period swell with offshore winds.
Average Spot conditions at Kalk Bay in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Kalk 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 Kalk Bay for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Kalk 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 Kalk Bay.