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Conditions at Shark Rock Pier in December
December: Summer Kick-Off - High-Percentage Clean Surf
December delivers the full summer package. Average swell height is 6.5ft (2.0m) with a 10.7s period, and the SSW direction is the clear driver at 29.1%, followed by SW at 18.1% and S at 14.6%. The height distribution is packed into the rippable to pumping 5-8ft (1.5-2.5m) range, making for plenty of fun, powerful surf at Shark Rock Pier.
Ideal wind is back up to 28%, tied for the annual high. The E/ENE sea breeze (E 16.6%, ENE 9.2%) is still a daily factor, but the reliable SW/WSW offshore flow (SW 12.6%, WSW 15.6%) offers a solid clean window, especially before noon. Water temp rises to 19.6°C and air temps reach 20.8°C. Combine early light offshore winds with the long-period S/SSW groundswell, and December serves up some of the best summertime waves of the year.
Average Spot conditions at Shark Rock Pier in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Shark Rock Pier 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 Shark Rock Pier for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Shark Rock Pier 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 Shark Rock Pier.