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.
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About this site
Rhoscolyn Beacon lies off the southwest coast of Holy Island, part of Anglesey in north Wales, near the village of Rhoscolyn. This stretch of coastline faces onto the Irish Sea, marked by rocky headlands and reefs typical of the Anglesey coast.
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
Dead Man's FingersAlcyonium digitatumReported here · unconfirmed
Common Sea StarAsterias rubensReported here · unconfirmed
Lightbulb Sea SquirtClavelina lepadiformisReported here · unconfirmed
Sea BeardNemertesia antenninaReported here · unconfirmed
European Green CrabCarcinus maenasReported here · unconfirmed
Small-spotted CatsharkScyliorhinus caniculaReported 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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