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Conditions at Cottosloe in April
April: Autumn Gem - Bigger Swell, Offshore Winds Grow
April is where Cottosloe starts to shine. The average swell jumps to 2.0m (6.6ft) and the period stretches to 12.7s, with a significant increase in the ideal WSW swell sector (10.8%) and W (1.4%) alongside the massive SW peak (52.0%). The wind statistics are even more encouraging: ideal offshore flow blows in 43% of the time, with the ESE (10.6%), E (12.0%), and SE (8.1%) all well represented. The strong summer S/SSW winds are receding, giving way to more favourable land-breeze patterns. Water temp is still pleasant at 21.6°C, air averages 20.5°C, and rainfall starts to rise (1.0 mm/day). This is a spiringboard into the winter season - expect fun, rippable waves and plenty of surfable windows.
Average Spot conditions at Cottosloe in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Cottosloe 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 Cottosloe for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cottosloe 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 Cottosloe.