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Conditions at Pirates Cove in December
December: The Northeast Monsoon Machine Maxes Out
December closes the year with the strongest average swell of the calendar: 1.8m (6ft), period 9.9s. ENE delivers 53.4% of the swell, NE another 34.4%, and a substantial portion of the energy falls in the 1.5-2m (5-6.5ft) range, with 16% in the 2-2.5m (6.5-8ft) class. This is serious, grinding surf, but the Amihan wind machine is in full force - NE 33.6%, ENE 25.8%, NNE 13.6% - and ideal offshore wind drops to just 5%. Expect big, powerful, mostly messy waves.
Air temperatures are 27.4°C, water 28.0°C, and December is the wettest month on record here with 15.57mm/day of rain. If you get a typhoon-front pulse or a rare offshore wind shift, the cove can turn on, but otherwise December is all about raw nature, not groomed perfection.
Average Spot conditions at Pirates Cove in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Pirates Cove 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 Pirates Cove for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Pirates Cove 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 Pirates Cove.