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Conditions at The Bluff in December
December: Summer Lull, Lowest Clean Percentage
December brings the lowest ideal-wind percentage of the year at just 7%, making it the most frustrating month for surf quality at The Bluff. Average height is still 4.6ft (1.4m) and the period is 11.1s, so there is never a complete flat spell, but the combination of shorter period and persistent strong S/SSW winds keeps the break juiced but messy. The wave rose shows SSW at 51.1% and SW at 44.1%, with almost all energy in the 3-5ft (1-1.5m) and 5-6ft (1.5-2m) bands. Winds from S (31.9%) and SSW (36.8%) dominate, and true offshore flow is a rare commodity. Patience, dawn patrols, and a low-tide/smaller-window approach are the keys to December surf. Water temp is 24.0°C, air temp averages 27.9°C.
Average Spot conditions at The Bluff in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at The Bluff 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 The Bluff for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at The Bluff 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 The Bluff.