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Conditions at Merimbula Bar in March
March: The First Real Shift
March is where the autumn gears start to turn. Average swell height remains 5-6ft (1.5-1.8m), but period lengthens to 8.8s, giving the waves more push. The NE/ENE influence fades to 11.8% and 13.0%, while the SE-SSW quarter rises to around 41%. It's still inconsistent, yet there are now far more days when S/SSW swell lines wrap into the bar.
Ideal wind climbs to 27%, with NNW (7.1%) and other offshore directions becoming more common, although SSW (14.6%) and S (8.4%) onshore winds still find plenty of time. Air temps moderate to 19.1°C and water holds at 20.6°C with 2.63mm/day of rain. The surf is gradually getting more serious; start watching the Southern Ocean for late-season fronts.
Average Spot conditions at Merimbula Bar in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Merimbula Bar 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 Merimbula Bar for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Merimbula Bar 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 Merimbula Bar.