All resultsExplore/Wales/Trearddurr Bay
Trearddurr Bay
Holyhead, Wales, United Kingdom
EntryShore
Max depth15 m
LevelEstimated: Beginner-friendly
Water bodyIrish Sea
Water temp8–16°C
Estimated from climate dataJun–Oct
About this site
Trearddurr Bay is a dive site near Holyhead, Anglesey, United Kingdom, in the Irish Sea. It is reached from the shore with a maximum depth of about 15 m. Marine life recorded within about 5 km (OBIS/GBIF) includes nudibranchs, soft corals, lobsters, dolphins, seals. Typical surface water temperature ranges from about 8 to 16 °C over the year.
Conditions by month
BestGoodMixedOctoberBest
Typically one of the best months here.
Marine life
Recorded nearby
Velvet Swimming CrabNecora puber
Shore CrabCarcinus maenas
Lesser Spotted DogfishScyliorhinus canicula
Edible CrabCancer pagurus
Common StarfishAsterias rubens
Spotted RayRaja montagui
NursehoundScyliorhinus stellaris
Hermit CrabPagurus bernhardus
Nearby sites
Straight-line distances.
Sources: Species occurrences: OBIS (CC BY 4.0), GBIF.org