Surf forecastStatisticsHistorical report

Borkum seasonal overview

Best Surf Season (October - March)

During these months, the North Atlantic storm track is fully active, sending consistent, moderate to large swell into the North Sea. Borkum's NNW exposure means it's perfectly aligned to capture the most powerful NW-NNW swell trains. Average wave heights hover around 1.0-1.3m, often reaching 1.5-2.5m during peak events, providing 'pumping' to 'firing' conditions. Wave periods average 6.3-6.5s, but long-period swells (>10s) become more common, delivering substantial power. Crucially, the wind regime shifts: high-pressure over continental Europe and lows tracking north allow frequent southerly to southwesterly winds (SSW-SW), which blow directly offshore at Borkum. This creates clean, groomed waves. The ideal wind percentage peaks at 11-13% in October through January, but the raw volume of swell ensures plenty of rideable days, even if not perfectly clean. This is prime time for Borkum.

Fair Surf Season (April & September)

These are transitional months. In April, the North Atlantic is still moderately active, and you can find overhead swell from NNW-NW, but the average wave height drops to 0.8m. The wind is tricky: spring brings more variable winds, with higher frequencies of onshore north-northeast winds. September sees a resurgence: average swell height climbs back to 1.0m, and ideal wind windows start to open again (11%). While not as consistent as winter, these months offer a decent shot at clean, fun-sized waves, especially during the occasional early autumn low.

Low Surf Season (May - August)

Summer is the quietest period for Borkum. The North Atlantic storm track weakens, resulting in average swell heights of only 0.8m and short periods (5.3-5.6s). The dominant swell direction is still NNW-NW, but most of it is under 1m, often only 'small' or 'micro'. Additionally, the prevailing wind pattern becomes northerly to northeasterly, which is directly onshore for this north-facing beach. The ideal wind percentage bottoms out at 8-9%. You'll find many days with choppy, messy waves and occasional small, clean waves if a south wind sets up. It's a good time for longboards and funboards, but serious surfers usually look elsewhere or take a break.

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Conditions at Borkum in September

September: Autumn Reawakening

September marks the start of the autumn transition with average swell height rising to 1.0m and period to 6.0s. Swell from NNW (20.4%) and NW (13.7%) is still prominent, and the proportion of 1-1.5m waves increases, offering more power. Wind patterns improve: SSW (9.1%) and SW (9.7%) are common, pushing ideal wind to 11%. Onshore north winds also occur, but the balance shifts. Early autumn lows begin to generate cleaner, longer-period swell, and with proper southerly winds, Borkum can see fun, head-high waves. It's a hit-or-miss month but definitely worth watching.

Average Spot conditions at Borkum in September

Swell history for September

0 - 0.5
0.5 - 1
1 - 1.5
1.5 - 2.0
2.0 - 2.5
> 2.5 m

Wind history for September

0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
> 50 km/h

Swell quality

Analyze the groundswell consistency at Borkum during September. 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 Borkum for your next trip in September.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Borkum for September. 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 Borkum.

Swell with good wind

Swell with good wind by size