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Conditions at Lefthanders in July
July: Peak Winter Power
July is peak winter. The average swell height hits 9ft (2.8m) with the longest average period of 13.1s, and the southwest corner of Australia is pounded by a relentless series of Southern Ocean lows. Swell directions are SW (18.8%) and WSW (15.7%) first, with W (4.3%) and WNW (1.9%) adding cleanup energy. This is serious, heavy water: over 8ft (2.5m+) is common, and the 2-2.5m (6.5-8ft) range is the bread-and-butter. The catch is wind: W (11.0%), WSW (10.6%), WNW (10.2%), NW (9.3%) and SW (9.0%) combine for around half of all observations, making clean sessions rarer. Ideal offshore flow is only 20%. When a high pressure ridge parks north of the break and the westerlies ease, you get thick, grinding lefts that justify the spot's name. Air temp is a cold 14.6°C and water drops to 17.7°C - the stormiest, most consequential surf of the year.
Average Spot conditions at Lefthanders in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Lefthanders 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 Lefthanders for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Lefthanders 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 Lefthanders.