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Conditions at Merimbula Bar in August
August: Late-Winter Momentum
August keeps the winter magic rolling, though the average period eases to 8.8s. S (11.9%), SSW (12.9%) and SSE (11.0%) swell remains plentiful, and the favourable SE-SSW total is still 44%. NNE (7.9%) and NE (9.3%) energy creeps back into the rose, signaling the first hints of spring, but the Bar still has plenty of clean, powerful winter groundswell.
Ideal wind runs 42% of the time with a strong NNW (11.2%) component, keeping the surface glassy between cold fronts. Water hits the annual low of 14.1°C, air averages 12.1°C, and it's the driest stretch at 1.63mm/day. Late August often rewards the persistent surfer with standout sessions as the swell and wind windows start to wobble.
Average Spot conditions at Merimbula Bar in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Merimbula Bar during August. 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 August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Merimbula Bar for August. 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.