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Conditions at Merimbula Bar in July
July: Peak Winter Reliability
July delivers the highest ideal wind percentage of the year at 44%, and it shows in the surf quality. The SSE-facing beast at Merimbula Bar sees 44% of its swell from the favourable S/SE/SSW corner, headlined by SSW (12.3%), S (11.2%) and SSE (10.8%). Periods hold at 9.2s, with plenty of 5-8ft (1.5-2.4m) lines off the big Southern Ocean lows.
The synoptic pattern is classic midwinter: high pressure ridging across southern Australia pushes NW/NNW offshores into the coast, while strong fronts add fresh S/SW energy. Onshore S/SSW wind drops to its yearly low near 16%. Air temps bottom out near 11.8°C, water is a cold 14.8°C, and only 1.78mm/day of rain falls. If the banks are good, July can be the month of firing barrels at the Bar.
Average Spot conditions at Merimbula Bar in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Merimbula Bar during July. 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 July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Merimbula Bar for July. 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.