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Conditions at Caswell Beach in April
April: Swell Drops and Windows Open Up
April is the hinge month between winter and summer. Average wave heights slump to 3ft (0.9m) and periods ease to 9.0s, meaning the long powerful groundswell of winter becomes less frequent. The swell direction continues to be dominated by WSW/W at around 61%, while favourable SSE-S-SW energy shrinks to about 12%; Caswell can still see fun, rippable waves, but the bigger days become the exception. Ideal offshore winds remain at 15% of the time and spring high pressure often brings lighter mornings and cleaner conditions than December ever offered. Air temperatures average 8.7°C with water at 9.7°C, and although precipitation eases to 2.27mm/day, a hooded wetsuit is still essential. For pure quality-to-size ratio, April can be surprisingly good.
Average Spot conditions at Caswell Beach in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Caswell Beach 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 Caswell Beach for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Caswell Beach 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 Caswell Beach.