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Conditions at Broken Head in December
December: Summer Trade Groundswell
December officially opens summer, and Broken Head sees a strong return of NE, ENE and E swell. The optimal NE-ENE-E-ESE quadrant contributes over 60% of all wave energy, with the average wave height at 5ft (1.5m) and period 8.3s. It is classic trade swell - fun, punchy and rippable - but the accompanying NE/E sea breeze is almost always onshore. Ideal wind drops to 30%, so early mornings and post-frontal southwesterly bursts are the golden hours. Water temperatures warm to 23.5°C, air averages 23.7°C, and rainfall climbs to 4.40mm/day. Keep an eye on the Coral Sea for early tropical cyclones; they can spin up some serious XL groundswell, though often with messy wind attached.
Average Spot conditions at Broken Head in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Broken Head 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 Broken Head for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Broken Head 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 Broken Head.