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.

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Conditions at Klitmöller in April

April: Spring Slump Sets In

April marks a clear step down in power. Average swell height falls to 1.2 m and period shortens to 6.6 s – now in the average to short-period range. The swell rose still shows a strong WNW (15.9%) and NW (14.0%) component, but the wave height bins are dominated by the 0.5–1 m and 1–1.5 m categories, meaning a lot of small, weak swell. Offshore wind occurs 20% of the time, primarily from S-SSW. The good news: any NW swell that does arrive will be more manageable and less wind-swept. Still, most days offer groveling conditions with short-period, choppy waves. April is ideal for a log or a foil, but don't expect winter-like power. The North Sea is transitioning into its spring lull.

Average Spot conditions at Klitmöller in April

Swell history for April

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

Wind history for April

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

Swell quality

Analyze the groundswell consistency at Klitmöller during April. 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 April.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Klitmöller for April. 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