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Conditions at Pororoca in December
December: Wet Season Returns
December marks the return of the wet season, with rainfall jumping back to 4.23 mm/day and river levels beginning to recover. The wind pattern shifts back toward the north-northeast and northeast: NE reaches 42.0%, ENE reaches 35.1%, and NNE contributes 16.0%, with most wind at 10-20kph. Ideal offshore wind remains 0%, so do not expect glassy conditions from the WSW-NW quadrant. Open-ocean swell is still a flat zero at 0ft (0m) and 0.0s, as always for this tidal bore. Water temp is 28.9°C. The bore picks up speed and size in the later half of the month, especially around new and full moons, setting the stage for the January-April prime season. Average air temperature is 27.6°C.
Average Spot conditions at Pororoca in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Pororoca 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 Pororoca for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Pororoca 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 Pororoca.