Conditions at Razo in December
December: Winter's Full Fury
December brings Razo to the peak of its winter power. Average swell height reaches 10.2ft (3.1m) and the average period is a grinding 12.4 seconds. The swell directions are led by NW at 11.1%, WNW at 8.3%, NNW at 6.2%, and W at 5.0%. This is long-period, high-energy Atlantic groundswell, and Razo can see serious XL swells during strong storm events. The beach becomes a powerful, critical wave that demands respect.
The wind data is excellent for surf quality. SSW is the dominant wind at 15.7%, SW adds 11.2%, and S contributes 9.9%, giving Razo the highest ideal surfing wind frequency of the year at 31%. There are still NE and ENE cross-shore days, but the offshore south quadrant is strong and reliable. Water temperature drops to 14.3°C, air temps average 12.8°C, and precipitation is heavy at 5.03 mm/day. When the winter swell lines up with a southwest offshore wind, December delivers some of the most powerful, hollow and memorable surf of the year at Razo.
Average Spot conditions at Razo in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Razo 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 Razo for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Razo 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 Razo.