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Conditions at Sun Beach in May
May: Summer Flatness Sets In
May puts Sun Beach firmly into low-season mode. Average swell height drops to 1.2ft (0.4m), periods sag to 3.6 seconds, and the N/NNW quadrant collapses to just about 10% of all swell energy - almost all of it below 0.5m. The ocean is dominated by ENE swell at 45% and NE at 21%, which at this spot is low-quality trade wind chop.
Trade winds from E and ENE account for 26% and 24% of the wind distribution, with ESE another 17%. This persistent east-southeast flow keeps surfaces bumpy and blown out, while offshore S/SW winds drop to about 6%. Air temperatures climb to 28°C (82°F), water warms to 28°C (82°F), and rainfall increases to 2.3 mm/day. If there is surf at all, it is micro and grovelly - a low-power, bumpy mess that only a small-wave log might enjoy.
Average Spot conditions at Sun Beach in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Sun 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 Sun Beach for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sun 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 Sun Beach.