Surf forecastStatisticsHistorical report

Klitmöller seasonal overview

Best Surf Season (November - February)

The North Atlantic flexes its muscles during the deep winter months, delivering the most consistent and powerful swell to Klitmöller's north-facing beach. Average wave heights hover between 1.9 and 2.1 m, with periods in the 7.4–7.5 s range – solid, punchy, and rideable. The dominant swell directions shift toward the W, WNW, and NW, but it's the NW and NNW pulses that truly light up the sandbars when paired with offshore flow from S to SSW. While the wind is ideal only 18–20% of the time (mostly from S-SSW), the sheer energy in the water means that even on side-shore days, the waves remain powerful and hollow. This is the window for charging 1.5–2.5 m pumping sets and the occasional XXL beast. Low-pressure systems parade across the Norwegian Sea, dragging strong cold fronts that produce long-period swell – the region's best chance for barrels.

Fair Surf Season (March & October)

March and October serve as the transitional bookends of the active season. March sees average wave heights drop to 1.6 m with a period of 7.2 s, while October comes in at 1.8 m and 6.9 s. Swell directional spreads remain broad, with a continued presence of W-NW energy. The wind blows offshore 21–22% of the time, often from S-SSW, but the overall size is a notch below winter's peak. These months deliver fun, rippable 1–1.5 m days more frequently, with occasional pumping sessions when a late-season storm aligns. The vibe is less intense than midwinter, making it a great time for long cruises at Cold Hawaii.

Low Surf Season (April - September)

From April through September, Klitmöller enters a distinctly mellow phase. Average swell heights slump to 1.1–1.2 m, and periods drop to a marginal 5.8–6.6 s – often choppy, small, and groveling. The dominant swell direction stubbornly holds from WNW and NW (combined often over 30–40% of the time), but the energy is short-period and wind-affected. Offshore wind percentages hover around 18–22%, mostly from S-SSW, which does help clean up the waves, but the lack of consistent size keeps surfer numbers low. Summer months are best for foiling, longboarding, or enjoying the rare window when a low-latitude storm sends a long-period swell into the North Sea. In general, it's a time for patience and low expectations.

Loading chart...

Conditions at Klitmöller in December

December: Winter Peak Arrives

December delivers the second-highest average swell height of the year at 2.0 m, with a period of 7.5 s, and often sees the most consistent NW groundswell. The swell rose shows strong contributions from W (9.7%), WNW (11.0%), and NW (8.3%), along with a notable WSW (8.2%) component from storms further west. Offshore wind occurs 20% of the time, primarily from S and SSW. The pattern is similar to January: powerful, long-period swell from the NW quadrant is common, but the wind is often onshore from the same direction. However, when a blocking high to the east locks in southerly flow, the conditions become world-class. Wave heights frequently exceed 1.5 m, with many days in the 1.5–2.5 m 'pumping' range. December is a wildcard month but offers the best chance for epic, heavy sessions if you can read the weather windows.

Average Spot conditions at Klitmöller in December

Swell history for December

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

Wind history for December

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

Swell quality

Analyze the groundswell consistency at Klitmöller 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 Klitmöller for your next trip in December.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Klitmöller 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 Klitmöller.

Swell with good wind

Swell with good wind by size