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Conditions at Shipwreck Beach in May
May: Consistent but Marginal Trade Swell
May settles into the slow season pattern. The average swell height eases to 6ft (1.8m) and period holds at 10.2s, but the direction is mostly E and ENE wind swell, with ESE adding an increasing share. For a south-facing beach like Shipwreck, these angles are side-onshore and don't refract with the same power and shape as a true south swell. ENE winds blow 54 percent of the time, and ideal offshore flow drops to 20 percent; the ocean is rarely flat but often a bit bumpy. Air temperatures warm to 24.1°C, water reaches 25.0°C, and rainfall stays low at 1.6 mm/day, so if you find a clean early window, it can still be fun in the small-to-solid range.
Average Spot conditions at Shipwreck Beach in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Shipwreck 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 Shipwreck Beach for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Shipwreck 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 Shipwreck Beach.