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Conditions at Sumner Avenue in June
June: Fun-Sized But Wind-Affected
June is officially summer doldrums at Sumner Avenue in terms of size, with average swell height at 0.9m (3ft) and period at 7.0s. The directional story is excellent - S (23.1%), SSE (22.5%), SE (17.6%) and ESE (11.7%) make for 75% favorable swell directions - but almost all of it sits in the 0.5-1m (2-3ft) range. The fly in the ointment is the wind: SSW dominates at 18.0%, with SW (12.8%) and S (11.2%) adding to the choppy onshore texture. Ideal wind drops in only 26% of the time, and even then the swell is marginal. Water temp is a pleasant 19.5°C (67°F), air temps average 20.6°C (69°F), and precipitation averages 3.13 mm/day. The surf is best for beginners or longboarders.
Average Spot conditions at Sumner Avenue in June
Swell history for June
Wind history for June
Swell quality
Analyze the groundswell consistency at Sumner Avenue 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 Sumner Avenue for your next trip in June.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sumner Avenue 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 Sumner Avenue.