Conditions at Vouliagmeni in December
December: Winter Swell Peak
December brings the winter swell peak to Vouliagmeni. The average wave height is 0.9m (3ft), tied for the highest of the year, and the average period is 5.0s. Swell from the favourable SE/SSE/S/SSW sector is strong at around 29%, with SSW at 20.3% and a healthy 10% of all observations in the 1-2.5m (3-8ft) range. NNE waves still dominate the rose at 26.2%, but these are not useful here. Offshore winds from N/NNE/NW/NNW occur about 48% of the time, and the 21% ideal wind score confirms that the best windows of the winter are opening. Water cools to 17.6°C, air averages 10.7°C, and precipitation is highest at 2.60mm/day. This is the month locals circle on the calendar for solid, if cold, waves.
Average Spot conditions at Vouliagmeni in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Vouliagmeni 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 Vouliagmeni for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Vouliagmeni 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 Vouliagmeni.