Year-round guided boat diving and operator support in the Väderöerna area.
Stora Knappen is an exposed boat dive on a step wall in northern Väderöerna.
Stora Knappen is an exposed boat dive on a step wall in northern Väderöerna.
Boat-only access, exposure, and reserve logistics make a local guided trip the practical way to dive it.
Stora Knappen is an exposed boat dive in northern Väderöerna built around a step-like wall with a deep drop-off and lots of rock-face structure. The cracks and ledges hold spider crabs, edible crabs, brittle stars, and many nudibranchs, while current and swell can make the site feel demanding. Plan a guided boat day, expect cold-water conditions, and choose a settled forecast because the exposed outer wall is much less forgiving than a sheltered island dive.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
35m - 40m
Depth Note
Bottom depth reported around 35–40 m on a step wall dive.
Best Season
Late autumn through spring tends to offer the clearest water; summer is still diveable but usually murkier.
Typical Conditions
Exposed step-wall profile with current and swell possible; visibility is usually best in colder months and the site is most comfortable on settled days.
Site conditions, restrictions, and access requirements.
Site Conditions
Safety Notes
Keep a conservative gas plan, stay disciplined on depth and ascent, and treat current and swell as normal parts of the site rather than surprises.
Access Restrictions
Boat access only.
Legal Notes
From 1 April to 15 August, bird- and seal-protection restrictions apply in parts of Väderöerna, with landing and anchoring limits in marked zones.
Community notes to help plan your visit.
Scuba Diving
Best as a guided boat dive for experienced divers comfortable with current and depth; the wall drops steeply and the cracks hold plenty of small life.
Freediving
Not a casual freedive site; the depth and exposure make it a scuba-first stop.
Snorkeling
Not a casual snorkel site; the main wall and wildlife are better reached by scuba.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Year-round guided boat diving and operator support in the Väderöerna area.
Väderöarna trips with good visibility, rich wildlife, and seals.
Seasonal bird- and seal-protection rules plus anchor and speed limits in the area.
Väderöarna day trips from Hamburgsund, two boat dives, and lunch.
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Stepped Väderöarna wall dive with cracks, current, and cold-water life.

Exposed Väderöarna wall dive with rich cold-water marine life.