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Conditions at Shipwreck Bay in December
December: Early-Summer Promise
December wraps up the year with classic early-summer conditions. Ideal offshore wind is 27 percent, average swell height is the smallest of the year at 5ft (1.6m), and period settles to 11.7s. The swell rose is SW-heavy-SW at 45.9 percent, WSW at 17.2 percent and SSW at 9.3 percent-so most days are better suited to the corners and sandbars that handle westerly energy. However, the wind distribution brings S at 13.6 percent and SSW at 11.1 percent, giving the north-facing sections plenty of groomed, fun-sized waves when a small N/NNE groundswell arrives. Water temp is back up to 19.3°C, rainfall is low at 2.70mm/day, and the long daylight hours make December one of the most user-friendly months of the year, if not the biggest.
Average Spot conditions at Shipwreck Bay in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Shipwreck Bay 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 Shipwreck Bay for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Shipwreck Bay 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 Shipwreck Bay.