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Conditions at Sunset Beach in December
December: Peak Winter Perfection
December matches January for size and edges ahead in consistency. Average swell height is close to 9ft (2.7m) with a long-period 12.4 seconds, driven by the strongest North Pacific storm pulses of the season. The dominant swell direction is NNW at 14.1%, with N (4.1%) and NW (4.1%) adding direct-angle energy, and NNE (7.9%) and ENE (7.8%) in support. Wind speeds ease relative to spring, with E (29.1%) and ENE (24.8%) most common and ideal offshore wind windows at 24%. Water temperature cools to 24.8°C, air averages 23.6°C, and rain is more likely at 2.29 mm/day. This is marquee Sunset Beach season - big, powerful, occasionally perfect, and sometimes too heavy.
Average Spot conditions at Sunset Beach in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Sunset 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 Sunset Beach for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sunset 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 Sunset Beach.