- Home
- ...Australia
Australia- 13th Beach
Conditions at 13th Beach in July
July: The Heart of the Winter Swell
July is the climax of winter, and it shows in both the swell and wind data. Average swell height reaches its yearly maximum of around 6ft (1.7m), with a long-period 12.2s pulse. The waverose remains dominated by SW (33%) and WSW (17%), while SSW contributes 12% - a broad westerly-to-southwesterly window that packs a lot of power. Perhaps more importantly, July has the lowest onshore wind frequency of the year at 13.1%, with offshore N, NNE, NE and NNW winds at 36.3% - the best wind-to-swell combination on the calendar. Frequent cold fronts and deep lows in the Southern Ocean drive consistent 3-6.5ft (1-2m) waves, often with larger 6.5-8ft (2-2.5m) sets rolling through. This is heavy, powerful, pumping beachbreak territory. The trade-off is cold: water temp bottoms out at 11.2°C and average air temps are 11.1°C, so you are in full winter rubber. For dedicated surfers, July is 13th Beach at its raw, firing best.
Average Spot conditions at 13th Beach in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at 13th Beach 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 13th Beach for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at 13th Beach 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 13th Beach.