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Conditions at Stoney Beach in May
May: The Sweet Spot Arrives
May is one of the most reliable months of the year at Stoney Beach. Average period hits 10.6s, average height is 1.2m, and ideal wind frequency reaches 32%. The Southern Ocean low-pressure train has fully fired up; S swell accounts for 15.5% and SSE another 11.6%, while ENE and E each keep a healthy 14.8%. The wind distribution is much more balanced, with SSW/SW/WSW combining for around 25% of observations and NNW/NNE/NW also present. Sea temp falls to 12.9°C, air averages 11.6°C, precipitation 1.78mm/day. Long-period southerly groundswell will wrap into the NE-facing beach, but the premium days come when a fading E/ENE swell lines up under a fresh SW wind-that is when Stoney's banks really shine.
Average Spot conditions at Stoney Beach in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Stoney Beach during May. 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 Stoney Beach for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Stoney Beach for May. 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 Stoney Beach.