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Conditions at Perranporth in June
June: Summer Lull Sets In, but the Direction Window Stays Open
June is the first true month of the summer lull at Perranporth. Average swell heights ease to 3-4ft (1.1m) and the average period drops to 8.8s - shorter-period, windswell-dominated surf that lacks the deep-water power of winter. Interestingly, the swell direction is overwhelmingly favorable: W 43.4%, WNW 17.3% and WSW 15.1% combine for around 76% of observations, so the beach is never really flat. It's just small, with the majority of the west swell sitting in the 0.5-1.5m (2-5ft) range. The bigger issue is the wind. Onshore W and WSW winds are common, NNW flow also builds at 12.6%, and offshore ENE/E/ESE/SE winds drop to only about 17% of the time. These are longboard days, summer fun, and the start of the standard Cornish holiday-crowd season. With water temperatures pushing 14.6°C and air temps averaging 14.5°C, a spring suit starts to replace the winter rubber.
Average Spot conditions at Perranporth in June
Swell history for June
Wind history for June
Swell quality
Analyze the groundswell consistency at Perranporth 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 Perranporth for your next trip in June.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Perranporth 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 Perranporth.