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Conditions at Sandy Beach in May
May: Small But Aligned Shoulder Surf
May marks a clear step down in size and an even bigger step down in wind quality. Average swell height falls to around 5-6ft (1.7m) and the average period drops to 10.2 seconds. Directionally, Sandy Beach still sees a large share of optimal SW (27.0%) and WSW (23.6%) energy, with SSW (16.7%) and W (8.9%) rounding out the pattern. The problem is offshore winds: only 39 percent of the time are conditions ideal, and WNW (11.1%) and NW (10.0%) winds begin to dominate, so a cross-shore texture can creep in. Air temps reach 7.9°C and water warms to 8.1°C, making for more pleasant but less consistent surf sessions.
Average Spot conditions at Sandy Beach in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Sandy 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 Sandy Beach for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sandy 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 Sandy Beach.