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Conditions at The Alley in May
May: The Sweet Spot Arrives
May is the first full month where The Alley regularly reaches its potential. Average swell height holds at 1.1m (3.5ft), the period extends to 8.8s, and ideal wind conditions hit 62 percent, a huge upgrade from the summer months. The swell direction is more diverse: E (29.8%), ESE (29.1%), and SE (21.1%) all contribute, so there is nearly always rideable east-southeast groundswell in the water. Wind data shows S (19.1%), SSW (13.3%), and SSE (15.3%) steering the pattern, with more frequent SW/W offshore windows. Water temperatures ease to 23.3°C, air temps average 21.2°C, and precipitation settles to 3.22 mm/day. In May, the morning glass-off is a regular feature, and those classic 3-4ft (0.9-1.2m) waves start showing up with real push.
Average Spot conditions at The Alley in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at The Alley 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 The Alley for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at The Alley 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 The Alley.