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Juist • Statistics for December

Conditions at Juist in December

December: Winter's Full Force

December rounds out the year with the same cold, powerful character as January. Average swell height is 4ft (1.2m) and the average period reaches 6.0s, the highest of the year. The North Atlantic storm track is fully engaged, and NNW swells are the most frequent at 15.1%, with W at 11.3%, NW at 10.8% and WNW/WSW not far behind. There is genuine size on the table: the 3-5ft (1-1.5m) and 5-6.5ft (1.5-2m) height classes are well represented from the W, WSW, NW and NNW directions. However, the wind is often the enemy. SW and SSW winds dominate, with WSW also strong, and ideal offshore flow appears only 7% of the time. Air temperatures drop to 4.2°C, water temps to 6.4°C and precipitation rises to 2.78 mm/day, so cold, dark and raw conditions are the norm. The rare December swell window with southeast to south-southwest wind can produce powerful, hollow, long-period-feeling waves on the north-facing banks, making it all worth it for the few patient locals.

Average Spot conditions at Juist in December

Swell history for December

0 - 2
2 - 3
3 - 5
5 - 6
6 - 8
> 8 ft

Wind history for December

0 - 6.2
6.3 - 12.4
12.4 - 18.6
18.6 - 24.9
24.9 - 31.1
> 31.1 mph

Swell quality

Analyze the groundswell consistency at Juist 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 Juist for your next trip in December.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Juist 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 Juist.

Swell with good wind

Swell with good wind by size

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