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Conditions at Sun Beach in March
March: Spring Transition Begins
March continues the slow fade of winter surf. The average period shortens to 4.4 seconds, average height remains around 1.5ft (0.5m), but the favourable N/NNW sector compresses. Swell from NNW totals 13%, N 4%, NW 3% and WNW under 1%, and only 9% of all swell exceeds 0.5m from those favourable directions. Meanwhile ENE swell has grown to 33%, with NE at 17%, reinforcing the trade wind signal. The window for a genuinely good day is shrinking.
Wind data shows ENE and E combined around 43% of the time, making cross-shore chop the default. Offshore S/SSW/SW/WSW winds account for only around 8%. At this point in the year, a passing front can still spark an NNW swell, but it will be short-lived and battled by bumps. Air temps climb to 25°C (77°F), water reaches 25°C (77°F), and precipitation remains low enough that you can enjoy a beach day regardless of surf quality.
Average Spot conditions at Sun Beach in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Sun Beach during March. 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 March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sun Beach for March. 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.