Calf North Stack
Conditions & tides
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
Dived here today? How were conditions vs. what we showed?
About this site
This site offers dramatic underwater cliffs and pinnacles teeming with marine life. Strong currents attract large shoals of fish, while colorful sponges and anemones cover the rocky walls. Visibility varies but rewards divers with sightings of seals, basking sharks, and occasional dolphins. The rugged topography creates exciting swim-throughs and overhangs. Best suited for experienced divers due to currents and exposure.
Marine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Dwarf Brittle StarAmphipholis squamataReported here · unconfirmed
Pea UrchinEchinocyamus pusillusReported here · unconfirmed
Ophiura albidaReported here · unconfirmed
Coat-of-mail ChitonLeptochiton asellusReported here · unconfirmed
Basking SharkCetorhinus maximusReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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