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Conditions at Spot Kontiki in December
December: The Calm Before the Summer Peak
December sets the table for the upcoming summer peak. Average swell settles to about 5ft (1.5m) with a 12.8s period, so there is less raw size but also less of the relentless winter wind energy. The wave direction is still dominated by SSW at 88%, though the SW share edges back up to 10%, and a small WSW signal finally reappears, the first hint of the more favorable summer swell window. Wind conditions, however, lag behind: ideal offshore wind is just 3%, and the S/SSW/SW wind complex remains, with SW winds at 10-20kph present 13% of the time. The 12.8s period is still powerful but slightly less dynamic than the autumn months. With air temperatures averaging 19.3°C and water at 17.4°C, December is a transitional month; decent waves are around, but you will need to wait for a fading southerly or a rare land breeze to truly enjoy them. The best is just around the corner.
Average Spot conditions at Spot Kontiki in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Spot Kontiki 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 Spot Kontiki for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Spot Kontiki 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 Spot Kontiki.