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Conditions at Gnaraloo in April
April: The Shoulder Season Sweet Spot
April is one of the better shoulder months at Gnaraloo. The average swell period lengthens to 13.3s, wave heights hold around 4-5ft (1.2-1.4m), and ideal wind jumps to 26%, making it the cleanest autumn month. The SW and SSW swell machine keeps running, representing about 91% of all observations, with a solid 5-6.5ft (1.5-2m) component in the mix. Air temperatures ease to 26.8°C, water is at its warmest at 26.7°C, and rainfall is low at 0.58 mm/day. The main limitation is still direction, but 13s-plus periods help Gnaraloo sort that misaligned swell and wrap more energy into the coast. April should definitely be on the radar for a run of clean 4-6ft (1.2-1.8m) days before winter takes over.
Average Spot conditions at Gnaraloo in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Gnaraloo 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 Gnaraloo for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Gnaraloo 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 Gnaraloo.