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Conditions at Ulladulla Bommie in December
December: Midsummer Slop and Rare Gems
December settles into summer low season. NE swell is the largest directional source at 15.8%, and E/ENE/SE/SSE share the rest, while straight S still chips in 14.4%. Average periods sit near 8.0s, so most waves are short-period and crumbly on the Bommie. NE and NNE winds combine for nearly 24% of the wind field, and onshore S/SE breezes kick in most afternoons, dropping ideal conditions to 36%. However, early-summer tropical cyclones or Tasman lows can occasionally spin up a solid 5-8ft (1.5-2.5m) SSE/S swell, and when a dawn NNW/N/NW offshore wind lines up, the Bommie can still deliver memorable sessions. Water is warm at 20.0°C, air averages 19.9°C, and patience is the key.
Average Spot conditions at Ulladulla Bommie in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Ulladulla Bommie during December. 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 Ulladulla Bommie for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Ulladulla Bommie for December. 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 Ulladulla Bommie.