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Conditions at North Wall Ballina in May
May: The Winter Machine Fires Up
May marks the true start of prime time. The average swell height holds at 5-6ft (1.7m), but the period now lengthens to 9.5s, giving the waves real travel and push. The SSE direction becomes the dominant swell source at 25%, with SE (21%), ESE (19%) and E (14%) filling out a superb, well-spread swell window; southern energy also contributes 6%. More importantly, wind quality jumps to 48% ideal. S (13%), SSW (12%), SW (10%), WSW (8%) and W (7%) breeze patterns dominate, meaning North Wall's ESE-facing sandbanks are being groomed by clean offshore or cross-offshore winds. Water temp falls to 23.2°C, air averages 20.6°C, and precipitation remains manageable at 3.46 mm/day. This is when the wall starts to produce long, racing lines.
Average Spot conditions at North Wall Ballina in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at North Wall Ballina during May. 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 North Wall Ballina for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at North Wall Ballina for May. 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 North Wall Ballina.