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Conditions at Express Point in December
December: Summer Slump and Sea-Breeze Sundays
December completes the return to summer. Average swell height sits at 4.6ft (1.4m) with period down to 11.3s, and ideal wind is only 16 percent. The swell direction is overwhelmingly SW at 54 percent, with SSW at 17 percent and WSW at 9 percent, so the spot still sees plenty of southern ocean groundswell - just smaller, less organized and often bumpy. The wind distribution is dominated by SW at 14.1 percent, WSW at 11.5 percent, SSW at 10.4 percent and S at 8.1 percent, meaning onshore and cross-onshore conditions prevail through the day. Offshore N/NNE/NE/NNW flow totals around 10 percent, mostly light. With water temperature at 17.0°C and air averaging 16.5°C, it's comfortable, but only the dawn patrol is likely to find clean 3-5ft (1-1.5m) waves peeling down the line.
Average Spot conditions at Express Point in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Express Point 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 Express Point for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Express Point 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 Express Point.