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
North Stack lies off Holy Island near Holyhead, on the Anglesey coast of North Wales in the United Kingdom, at the northern edge of the Irish Sea. The site has a maximum depth of around 10 metres and is considered a beginner dive.
AI overviewMarine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Velvet Swimming CrabNecora puberReported here · unconfirmed
Edible CrabCancer pagurusReported here · unconfirmed
Common Sea StarAsterias rubensReported 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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