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
Thumb Rock lies along the coast of County Sligo, in the Connacht region of northwest Ireland, an area characterised by exposed Atlantic shoreline and rocky reef formations. Dive sites in this part of Sligo are typically reached by boat from local harbours along the 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.
European Edible Sea UrchinEchinus esculentusReported here · unconfirmed
Atlantic Black Sea CucumberHolothuria forskaliReported here · unconfirmed
Devonshire Cup CoralCaryophyllia (Caryophyllia) smithiiReported here · unconfirmed
Common Sea StarAsterias rubensReported here · unconfirmed
Spiny StarfishMarthasterias glacialisReported 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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