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Conditions at Yzerfontein in April
April: The Turning Point
April marks a clear turning point. Swell height holds near 7ft (2.2m), but the period lengthens to 12.2s, and ideal surf time jumps to 22%. The swell mix is beautifully weighted: SSW (25%), SW (29%) and WSW (9%) deliver long, powerful lines, with S at only 8%. Winds are still split, but S drops to 25%, SSE to 19%, and pre-frontal NNW flow rises to 10% with NW another 5%. Air temp falls to 17.5°C, water to 14.4°C, and rainfall increases to 1.09mm/day as autumn systems become more active. Clean, lined-up southwest swell becomes a realistic, repeated outcome.
Average Spot conditions at Yzerfontein in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Yzerfontein during April. 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 Yzerfontein for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Yzerfontein for April. 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 Yzerfontein.