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Conditions at Humewood Pier in April
April: Autumn's First Roar
April marks a meaningful shift toward bigger, longer-period groundswell. The average height climbs to 2.1m and the period extends to 11.7s, with SSW at 27.8% and S at 16.2%, while SW adds 11.6% and SSE 9.5%. The distribution begins to favour the 2-2.5m (6.5-8ft) range, suggesting more powerful sets rumbling through the pier. The first true autumn lows pulling out of the South Atlantic brush the Cape coast, injecting extra period and punch.
Ideal wind fades slightly to 25%, but the offshore directions are still well represented: WSW 18.8%, W 11.7%, SW 7.9%. The tricky part is the increasing influence of ENE at 13.1% and E at 11.1%, which can throw up cross-shore chop. Air temperatures are cooling to 19.8°C and water to 18.8°C, while precipitation ticks up to 1.28 mm/day. April is a transition sweet spot: big enough to be exciting, clean often enough to be worth the wet-dry combo.
Average Spot conditions at Humewood Pier in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Humewood Pier 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 Humewood Pier for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Humewood Pier 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 Humewood Pier.