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Conditions at Gnaraloo in June
June: The First High-Consistency Peak
June delivers the first true peak of the Southern Hemisphere winter. Average wave height rises to around 5ft (1.5m), period stays deep at 13.9s, and ideal wind remains strong at 33%. Swell is almost entirely SW (55.9%), SSW (17.1%) and WSW (14.1%), creating a relentless southwest groundswell conveyor belt from the Southern Ocean. There is more 6-8ft (1.8-2.4m) energy in the mix now, and even a trace of N/NW swell appears as early-winter fronts push farther north. The wind regime favours SE to SSE breezes, which can be side-offshore for the NW-facing beach and workable, especially early. Water temperature drops to 24.6°C, air averages 19.3°C, and rainfall is the highest of the year at 1.53 mm/day. June brings consistency and power, especially when you catch a dropping wind on the right tide.
Average Spot conditions at Gnaraloo in June
Swell history for June
Wind history for June
Swell quality
Analyze the groundswell consistency at Gnaraloo during June. 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 June.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Gnaraloo for June. 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.