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Conditions at Duranbah in December
December: Summer Kickoff With Trade-Wind Chop
December completes the low season cycle. Only 27% of the time is the wind ideal, while average wave height holds around 3ft (1.0m) with short-period 7.5s energy. The swell rose shifts further toward ENE (20%), E (28%) and NE (12%), a signature of the summer trade-wind regime and north-east groundswell events. East to ENE winds are onshore at Duranbah, so surf quality depends on early mornings before the seabreeze kicks on, or on a lucky SW/S change from an inland trough. Water temp is back up to 24.0°C, air temps average 24.0°C, and rainfall rises to 4.4mm/day, signalling the approaching stormy season.
Average Spot conditions at Duranbah in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Duranbah 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 Duranbah for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Duranbah 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 Duranbah.