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Conditions at Stoney Beach in December
December: Trade Wind Grind
December resets the clock to summer. Average height is 1.1m but average period sinks to 8.5s-the lowest of the year-and ideal wind drops to 23%. ENE is the clear swell leader at 26.4%, with E at 16.1% and NE at 9%, so directionally the beach is well supplied. But NE wind is back up to 18%, and with NNE at 10% and NNW at 11%, most days feature bumpy, wind-affected surf. Sea temp is a pleasant 15.6°C, air averages 14.4°C, and rainfall is 1.61mm/day. Surfable 3-4ft (0.9-1.2m) waves are almost guaranteed, but clean days are much rarer. Circle the dawn windows around incoming cold fronts or tropical lows off the north-east; those are your best shots at true Stoney Beach waves.
Average Spot conditions at Stoney Beach in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Stoney Beach 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 Stoney Beach for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Stoney Beach 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 Stoney Beach.