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Conditions at Gas Bay in March
March: Autumn Edge Arrives
March is when the autumn transition starts to show. Average swell height remains 1.9m (6.2ft), but the average period stretches to 12.5s, adding extra push and consistency. The swell direction mix is still clearly SSW/SW: SW leads with 38.4%, SSW adds 27.3% and WSW/W contribute another 7.3%. This keeps a high percentage of energy in the exposed WSW window. Even better, the wind regime begins to loosen. The ideal NE offshore flow is present 20% of the time, while SSE and SE totals ease slightly. It is still not a clean offshore paradise, but the increase in long-period SW groundswell and more regular NE wind windows starts to create excellent, rippable conditions. Air temperatures remain pleasant at 20.0°C, water temps are at their warmest of the autumn at 21.2°C, and rainfall is only 0.79mm/day. Look for days after a cold front passes and high pressure builds in - those are the March gems.
Average Spot conditions at Gas Bay in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Gas Bay 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 Gas Bay for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Gas Bay 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 Gas Bay.