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Stora Sundskär

Discover the breathtaking underwater world of Väderöerna, Sweden. Dive into the depths of a stunning wall that gradually slopes down to around 40 meters in steps. While exploring this dive site, divers may encounter gentle currents, which are common in this area. The wall is adorned with numerous cracks, providing a perfect hiding spot for various marine life species.

Prepare to be amazed by the vibrant marine ecosystem present here. Divers will have the opportunity to spot an array of captivating creatures, including nudibranches, lobsters, edible crabs, blåstak, cod, and an assortment of regular fish. The abundance of different types of sea weed adds to the allure of this underwater paradise.

With a visibility of approximately 9 meters and a maximum depth of 27 meters, this dive site is suitable for divers of all levels. Whether you are a beginner or an experienced diver, you can fully immerse yourself in the wonders of this underwater realm. Tanums kommun, Västra Götaland County in Sweden is the perfect location to embark on this unforgettable diving adventure.

Experience the thrill of diving in Sweden's pristine waters and uncover the secrets that lie beneath the surface. Book your diving excursion at DiveChamp.com and get ready for an extraordinary underwater journey at Väderöerna.

Diving Conditions Score for Stora Sundskär

5.4
Average

Average conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Stora Sundskär

Depth

27m

Visibility

9m

Experience Level

beginner

Weather Conditions for Stora Sundskär

Wave Height

0.56m

Wind Speed

19.8 m/s

Water Temp

15.6°C

Visibility

44.32km

Cloud Cover

76%

Wave Period

3.45s

Air Temperature

16.6°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Stora Sundskär
Alpha

Dive Score Chart for Stora Sundskär

Best time to dive: 14:00 with score 6.502066666666666/10. Water conditions: Waves 0.66m, Wind 26.6 m/s.Best night dive time: 0:00 with score 6.0116000000000005/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Stora Sundskär: 06:00
Sunset at Stora Sundskär: 18:00

Optimal diving conditions at Stora Sundskär are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.

🌞
Best Overall
14:00

Score: 6.5/10
Waves: 0.66m (3.45s), Wind: 26.6 m/s

🌞
Safest Overall
13:00

Score: 6.5/10
Waves: 0.6m (3.45s), Wind: 29.5 m/s

🌙
Best Night
0:00

Score: 6.0/10
Waves: 0.62m, Wind: 22 m/s

Seasonal Analysis for Stora Sundskär
Alpha

Historical patterns and best seasons for diving at Stora Sundskär

The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.

Monthly Dive Score Analysis - Seasonal Diving Conditions

Higher values indicate better diving conditions

Seasonal DiveScore Chart

This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.

Higher values indicate better diving conditions

Best Season for Stora Sundskär

Winter

Avg. Score: 8.1/10

Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.

Best Months for Stora Sundskär

December
Score: 8.5
January
Score: 8.2
March
Score: 7.8

Ideal Conditions for Stora Sundskär

Water Temp

Thermometer Emoji

17.0°C / 62.6°F

July

Visibility

Telescope Emoji

16.1m / 52.8ft

December

Wave Height

Wave Emoji

0.8m / 2.6ft

December

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Stora Sundskär

Stora Sundskär shows typical northern hemisphere patterns with July being the warmest month (17.0°C) and December the coldest (-4.7°C). The calmest conditions typically occur in December with average wave heights of 0.8m and wave periods of 8.0s. The most comfortable wave conditions are in December with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). March is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during December to February, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jun 20, 2026

Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.

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