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Conditions at Yzerfontein in December
December: Summer Grind Returns
December returns to full summer form. Swell averages 7ft (2.2m) at 11.3s, with SW (33%), SSW (22%) and S (11%) keeping the ocean active. But the wind is the story: S (36%), SSE (13%) and SSW (17%) dominate, leaving just 9% ideal time. Water temp is up to 15.6°C, air averages 19.2°C, and it is very dry at 0.37mm/day. Big, clean winter-style waves are less common now; December is mostly a hunt for dawn windows and sheltered corners as the southeasterly summer machine grinds on.
Average Spot conditions at Yzerfontein in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Yzerfontein 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 Yzerfontein for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Yzerfontein 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 Yzerfontein.