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Conditions at Gnaraloo in March
March: Autumn's Lengthening Swell
March marks the early transition into autumn. The average swell period climbs to 12.3s and heights hold around 4-5ft (1.2-1.4m), with a healthy share of 5-6.5ft (1.5-2m) pulses starting to appear. SSW and SW directions still combine for more than 91% of all wave energy, while the ideal N/NW sector is barely present at just around 1%. Wind conditions improve slightly, with ideal time at 19% and more manageable speed distribution in the S/SSW/SW quadrant. Water temperature is a warm 26.5°C, air is 29.5°C, and rainfall is low at 0.85 mm/day. March is a good month for clean, powerful, longer-period surf when the offshore breeze lightens, especially toward the end of the month as the Southern Ocean starts to wake up.
Average Spot conditions at Gnaraloo in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Gnaraloo 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 Gnaraloo for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Gnaraloo 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 Gnaraloo.