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Conditions at San Pedrito in January
January: Deep-Winter Groundswell
January is peak winter in the Northern Hemisphere. San Pedrito averages 4-5ft (1.2-1.5m) of swell with a 13.9s period, which is true long-period groundswell. The wave rose is dominated by WNW (50 percent) and W (32 percent) energy, meaning a lot of open-ocean power is wrapping onto the southwest-facing beach. The WSW share sits at 7 percent, and even a small increase in that angle helps focus the swell along the sand and reef. Winds are at their winter best: a strong NNW (31 percent) and NW (16 percent) flow combines with N/NNE (24 percent) to deliver 68 percent ideal surf conditions. Air temperature averages 19.3°C, water temperature is 22.0°C, and rainfall is low at 0.28 mm/day. Expect cold, clean dawn sessions with plenty of 5-6.5ft (1.5-2.0m) sets between the chest-shoulder-high average lines.
Average Spot conditions at San Pedrito in January
Swell history for January
Wind history for January
Swell quality
Analyze the groundswell consistency at San Pedrito during January. 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 San Pedrito for your next trip in January.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at San Pedrito for January. 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 San Pedrito.