Conditions at Mahe in December
December: Flat, Glassy and Waiting for the New Year
The year ends with another low-energy month. Average swell height is 1ft (0.3m), the period is 9.7s, and the direction distribution still points from SW (40.8%), WSW (26.1%), W (13.4%) and SSW (11.6%). However, virtually every wave is in the micro category under 1.5ft (0.5m); less than 2% reach the 2ft (0.6m) mark. Winds are often offshore to cross-offshore from the northeast and east, making for clean and glassy conditions, but the ocean is barely moving. Ideal wind windows sit at just 1%. Rainfall is very low at 0.89 mm/day, air temperature averages 25.7°C and water temperature is 29.0°C. If you want waves, wait for the monsoon to return in May and June.
Average Spot conditions at Mahe in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Mahe 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 Mahe for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Mahe 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 Mahe.