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Conditions at Chesterman Beach in April
April: Swell Slipping, Westerlies Building
April marks a clear transition. The average swell height drops to 1.9m (6.2ft) and the period eases to 11.8s - still long-period, but with less punch than winter. WSW and W remain the dominant swell directions, so the beach still sees waves, yet the onshore wind regime strengthens noticeably. WNW and NW flow now dominate, and ideal offshore wind drops to 18%, meaning more afternoons of bumpy surface conditions. The saving grace is the longer daylight and slightly warmer air, with averages of 7.7°C, water temp at 10.0°C, and precipitation falling to 5.12mm/day. Pick dawn and a light east wind day, and you can still find clean, head-high-plus surf.
Average Spot conditions at Chesterman Beach in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Chesterman 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 Chesterman Beach for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Chesterman 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 Chesterman Beach.