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Conditions at Langland Beach in December
December: Winter's Power and Chaos
December brings the winter paradox to Langland. The average swell height is a robust 5ft (1.5m) with a 10.0-second period, and the Atlantic storm track is in its prime. Directionally, WSW and W swells still dominate at around 54%, while the S/SSW/SW window is about 12%. That means there is plenty of ocean energy, but not always in the right direction or under the right wind. Only 12% of observations feature ideal offshore winds, and the average precipitation maxes out at 4.03 mm/day alongside frequent SW-W gales.
Water temperature drops to 10.3°C and air averages 6.7°C, locking in full winter gear. The upshot is that December can deliver some of the heaviest, most powerful waves of the year at Langland. The trick is patience: wait for a high-pressure ridge to move overhead, or for a north post-frontal flow to replace the pre-frontal southwesterly rubbish. Those short, cold windows offer unforgettable winter surf on the Gower.
Average Spot conditions at Langland Beach in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Langland Beach 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 Langland Beach for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Langland Beach 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 Langland Beach.