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Conditions at Windang Island in December
December: Midsummer Lull
December is the most summer-like month of the surf year. Ideal wind sits at just 22%, the average period is a short 8.4s, and the average swell height is the lowest of the year at around 5ft (1.5m). The swell rose is still busy from the east-southeast quadrant: ENE 17%, E 13%, ESE 13%, SE 14% and SSE 18%, which is perfect in direction but often short-period and wind-affected. The wave heights cluster in the 3-6.5ft (1-2m) range, though the quality is frequently marred by onshore flow. NNE and NE winds combine for 24%, while S winds add another 12%; NNW, at 11.5%, is the main offshore hope, usually in the early hours before the sea breeze builds. Summer is when you pick your moments: dawn patrol with NW/NNW breeze, a recent E/SE groundswell, and warm water of 21.1°C. Air temperatures average 19.7°C (min 6.5°C, max 41.0°C) and rainfall is moderate at 2.42 mm/day.
Average Spot conditions at Windang Island in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Windang Island 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 Windang Island for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Windang Island 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 Windang Island.