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Conditions at Gnaraloo in July
July: Midwinter Muscle
July sits right in the heart of Gnaraloo's winter. Average swell height peaks around 5-6ft (1.5-1.8m), average period reaches 14.1s, and the SW direction alone accounts for 62.4% of all wave energy. The 5-6.5ft (1.5-2m) and 6-8ft (1.8-2.4m) size classes are well represented, and the extra period gives the misaligned S/SW swell a better chance to wrap and break cleanly. Ideal wind stays at a solid 31%, with SE/SSE winds providing the cleanest conditions. It is not the N/NW swell Gnaraloo would love, but the combination of size, period and winter high-pressure drive makes July one of the most consistently surfable months. Air temps are coolest at 18.1°C, water is 23.1°C, and rainfall is moderate at 1.12 mm/day.
Average Spot conditions at Gnaraloo in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Gnaraloo during July. 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 July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Gnaraloo for July. 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.