Conditions at Spiekeroog in August
August: Subtle Autumn Signals
The North Sea begins to stir again in August, even if the change is subtle. Average swell height ticks up to around 3ft (1.0m), the period stays short at 5.5s, and ideal offshore wind chances rise to 14%. The swell rose shows NW at 17.0%, NNW at 15.7%, W at 15.6% and WNW at 15.5%, giving a well-distributed northwesterly swell window. Heights still cluster in the small range, but there are enough 1.5-2m (5-6ft) pulses from NW and W to keep hope alive for the first proper autumn swell. Winds are still a mixed bag: W and WNW are common, yet the SSE/S/SSW/SW offshore sector is also well represented. August delivers the warmest water of the year at 19.3°C with air temps near 17.9°C, making it the most comfortable month for long sessions in a thinner wetsuit. Expect fun, groveling 1-3ft (0.5-1m) waves on most days, with occasional clean 3-4ft (0.9-1.2m) waves when an early-season low tracks just south of Iceland.
Average Spot conditions at Spiekeroog in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Spiekeroog during August. 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 Spiekeroog for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Spiekeroog for August. 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 Spiekeroog.