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Random Beach Break • Statistics for December

Conditions at Random Beach Break in December

December: Maximum Size, Winter Wind Battle

December delivers the most powerful surf of the year. Average swell rises to 1.2m (3.9ft) with a robust 9.9s period, and the NE/ENE combination accounts for over 90% of the energy. Most waves are in the 1-1.5m (3.3-4.9ft) range, with a solid share of 1.5-2m (4.9-6.6ft) sets - the real winter swell machine is firing.

The trade-off is onshore wind. The Siberian high pressure strengthens and the northeast monsoon blows directly onshore more than half the time, with ideal offshore flow only 21% of the month. When a WSW/W window opens up, expect some of the best, hollowest beach peaks of the year - but those are fleeting. Rain is highest at 14.3 mm/day, air temps are 27.2°C and water temp cools slightly to 28.4°C. This is the month for confident surfers who can handle a little chop in pursuit of size.

Average Spot conditions at Random Beach Break 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 Random Beach Break 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 Random Beach Break for your next trip in December.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Random Beach Break 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 Random Beach Break.

Swell with good wind

Swell with good wind by size

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