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Conditions at Hermanus in June
June: Peak of the Southern Ocean Storm Train
June is the heart of the Hermanus season and statistically the best month of the year, tied with July for the biggest average swell (2.8m / 9ft) and holding the highest ideal-wind percentage at 38%. The winter storm track runs at full tilt, with 12.4s average periods and multiple pulses of long-period energy. NW wind is the clear dominant (20.0%), with WNW at 14.9% and NNW at 9.0%; these offshore flows groom the swell as frontal systems sweep through. Swell direction is again led by SW (20.2%) and WSW (10.9%), but those mixed seas almost always contain S and SSE energy, and when a S/SSE component lines up with the SSE-facing beach, the result is heavy, pitching peaks. Rain is more frequent at 1.97 mm/day and air temps fall to 13.6°C, so expect cold, powerful winter surf in a hooded 4/3mm. Bring a bigger board and pick your spots.
Average Spot conditions at Hermanus in June
Swell history for June
Wind history for June
Swell quality
Analyze the groundswell consistency at Hermanus 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 Hermanus for your next trip in June.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Hermanus 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 Hermanus.