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Conditions at Sandy Hook in May
May: The Last Gasp of Spring Swell
May sees the averages drop to 3ft (1.0m) at 7.2 seconds, but there is still enough E'ly energy to keep Sandy Hook alive. The E and ENE windows produce over 21% of the swell, while the bulk of the rose shifts to SSE and S directions, which are considerably less favorable for this east-northeast-facing beach. The big win in May is wind: ideal offshore flow climbs to 45%, with southwest and west winds dominating in the 10-20kph range. That keeps the surface glassy and the waves cleaner than their small size would suggest. Air temperatures warm to 14.1°C, water temperature climbs to 12.8°C, and the lighter winds make for longer, mellower sessions. Expect groveling conditions, but with a real pulse of E swell, Sandy Hook can still offer surprisingly enjoyable shoulder-high walls.
Average Spot conditions at Sandy Hook in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Sandy Hook 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 Hook for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sandy Hook 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 Hook.