Surf forecastSpot statisticsHistorical report

Sandvik seasonal overview

Best Surf Season (October - March)

Sandvik's prime season unfolds from October through March, when the North Atlantic is at its most energetic. During these months, the average swell height surges between 1.7m and 2.5m, with wave periods routinely stretching from 9.8 to 11.9 seconds — solid, long-period energy that lights up the west-southwest-facing beach. Swell from the SSW, SW, and WSW dominates the chart, delivering powerful, punchy lines that can handle both shortboard and step-up guns. The caveat? Wind consistency: offshore flow from the northeast (NNE, NE, ENE) is relatively frequent at around 30% of the time, but only about 10-16% of those days are truly clean with light enough speeds. When a strong high-pressure system parks over Greenland and funnels a crisp northeast breeze across the Icelandic coast, the resulting combination of heavy, long-interval swell and glassy offshore conditions is nothing short of world-class. Expect substantial, pumping surf with occasional XXL days when the deep lows barrel in from the southwest.

Fair Surf Season (April, September, November)

The shoulder months — April, September, and November — offer a transitional mix of decent swell and more forgiving conditions. Swell heights average 1.5-2.0m, with periods in the 9.4-10.6s range, providing rippable, shoulder-high waves that are far less intimidating than winter's peak. Swell directions remain optimal from the SW and SSW, but the frequency of smaller, fun-sized waves increases. Winds become slightly more favorable: offshore tendencies from the northeast occur about 15-16% of the time, but onshore flow from the southwest increases, often making waves a bit lumpy. These months are ideal for those seeking a less intense session with a higher chance of light wind windows, especially in the mornings when land breezes can kick in.

Low Surf Season (May - August)

Summer at Sandvik is undeniably the low season for swell. From May through August, average wave heights drop to between 1.0m and 1.3m, and periods shorten to 8.2-9.1s — often resulting in weak, crumbly waves that only come alive on the best days. The dominant swell direction remains SSW and SW, but heights are predominantly in the 0.5-1.5m range, making the break more suitable for longboards and fish. On a positive note, offshore wind percentages are at their yearly peak — 17-18% of the time — and the lighter summer breezes from the northeast can produce groomed, clean conditions even when the swell is small. Still, expect frequent flat spells and plenty of groveling on micro-swell days. For the committed surfer, the occasional longer-period pulse from an early-season storm can deliver sneaky fun waves, but consistency is lacking.

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Conditions at Sandvik in October

October: Autumn's Power Surge

October signals the real beginning of primetime. Average swell height reaches 1.7m and period jumps to 9.8 seconds, with a clear upward trend as the month progresses. Swell from the SW (15.9%), SSW (12.3%), and also increasing contributions from S (10.2%) — but the optimal directions dominate. Over 30% of the swell is in the 1.5-2.5m range, offering punchy, head-high-plus waves. Wind conditions show a classic autumn pattern: strong, favorable offshore flow from NNE (13.6%) and NE (8.2%) is frequent, but often with higher speeds — only 16% of the time are conditions truly ideal. Still, when a deep Atlantic low churns and a following high locks in northeast winds, Sandvik delivers some of its best sessions of the year. October is a month for experienced surfers to watch closely.

Average Spot conditions at Sandvik in October

Swell history for October

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

Wind history for October

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

Swell quality

Analyze the groundswell consistency at Sandvik during October. 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 Sandvik for your next trip in October.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Sandvik for October. 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 Sandvik.

Swell with good wind

Swell with good wind by size