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Conditions at Smiths Beach in March
March: First Autumn Pulse and Cleaner Windows
Autumn begins to stir in March. The average period climbs to 12.5 seconds and the swell height stays at 6ft (1.9m), but the character of the surf changes as the first significant frontal systems of the season start sweeping the Southern Ocean. The bulk of the energy remains SSW/SW, with SW leading at 38.4 percent and a small but increasing WSW presence. The angle is still not perfect for Smiths, yet the longer-period energy is easier to convert into rideable lines.
The wind is where March makes its move: ideal offshore conditions now occur 23 percent of the time, the best since the previous autumn. The strong summer SSE flow starts to weaken, and the wind distribution becomes more mixed, giving more frequent S/SW and WSW offshores. At 21.4°C the water is at its warmest, making this a genuinely pleasant month to be in the water.
Average Spot conditions at Smiths Beach in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Smiths 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 Smiths Beach for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Smiths 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 Smiths Beach.