Conditions at Streedagh Strand in December
December: Peak Winter Consistency
December delivers the full power of the North Atlantic. Average swell height is 5.5ft (1.7m) and the period is a healthy 12.2 seconds. The wave rose is stacked in the ideal direction: WNW 27.1 percent, W 20.4 percent, NW 12.5 percent and NNW 8.8 percent. High percentages of the energy sit in the 5-8ft (1.5-2.5m) range, with occasional 8ft+ (2.5m+) waves when strong lows track directly toward the west of Ireland.
The wind statistics offer some of the best hope for clean conditions all year: the E/ESE/SE/SSE offshore sector is well represented and the ideal wind percentage reaches 31 percent, the highest of the year. This is the month when Streedagh can truly wear its winter crown - powerful, long-period swell with offshore winds, albeit in cold and stormy conditions. Water temperature is 9.8°C, air temperatures average 7.4°C, and precipitation is high at 4.79 mm/day. This is the time for the dedicated surfer.
Average Spot conditions at Streedagh Strand in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Streedagh Strand 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 Streedagh Strand for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Streedagh Strand 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 Streedagh Strand.