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Conditions at The Streets in December
December: Winter Returns
December closes out the year with solid consistency. Average swell height is 0.9m (3ft), average period is 7.9s, and ideal wind improves to 15%, making it one of the more surfable months. The swell window is still dominated by E at 22.6%, ENE at 19.8%, NE at 13.5% and ESE at 10.8%, with a healthy amount of 1-1.5m waves plus a few larger pulses. Winds are more variable than in summer: NNW at 13.1% and NW at 7.7% are frequent, while offshore W and WNW flows account for a decent share of the wind distribution, giving more opportunities for clean, lined-up conditions. The water cools to 22.3°C, air temperature averages 19.5°C, and rain is relatively low at 2.14 mm/day, adding to the appeal for winter surf sessions.
Average Spot conditions at The Streets in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at The Streets 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 The Streets for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at The Streets 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 The Streets.