Surf forecastSpot statisticsHistorical report

Gilleleje Havn seasonal overview

Gilleleje Havn in Denmark is a windswell-dominated spot with very limited ground swell influence, rarely exceeding 1% even in December. The best months for surfers are typically late autumn to early winter (October to December), when wind swell frequency peaks around 48-53%, and mean swell sizes reach 0.7-0.8m. However, wind conditions are far from ideal, with good offshore or cross-offshore winds occurring only 3-4% of the time, while onshore or unfavorable winds dominate 94-97% of the year. Swell consistency improves slightly in winter, but the small average wave heights (rarely over 0.8m) and poor wind alignment make this spot challenging for high-performance surfing. Summer months (June-August) see similarly low swell sizes (0.5-0.6m) with marginally better wind conditions (6% good winds), but the high frequency of no-swell days (62-66%) limits surfable opportunities. Overall, Gilleleje Havn is a fickle, wind-dependent spot with the most rideable waves in October-December, though even then, conditions are often small and onshore. Surfers should prioritize storm-driven swells in late autumn when the rare combination of adequate swell and acceptable winds might align.

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Conditions at Gilleleje Havn in January

January at Gilleleje Havn offers generally small and inconsistent surf, with an average swell height of 0.8m and a weak period of 4.3s, indicating mostly wind-driven, low-quality waves. The most favorable swell directions come from the WSW to NW, where waves occasionally reach 1.5-2.5m, but these are rare (under 1% occurrence). The majority of waves are below 1.5m, with the largest share coming from the W/NW sectors, though still predominantly small (0.5-1m). Wind conditions are challenging, with only 3% of winds being ideal for surfing—likely light offshores from the NE/E. Strong onshore winds (SW-WSW) are common, accounting for over 10% of occurrences at 20-40kph, which further degrade wave quality. Surfers should target brief windows of NW swell with NE/E winds, but expect mostly weak, onshore-affected conditions. Cold weather and limited rideable days make it a tough month for consistent surfing.

Average Spot conditions at Gilleleje Havn in January

Swell history for January

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

Wind history for January

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

Swell quality

Analyze the groundswell consistency at Gilleleje Havn during January. 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 Gilleleje Havn for your next trip in January.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Gilleleje Havn for January. 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 Gilleleje Havn.

Swell with good wind

Swell with good wind by size