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Castle Beach

Pembrokeshire, Cymru / Wales · United Kingdom

What have people found?

Blue-rayed limpet, spiny spider crab and gem anemone turn up here more than at our other rock pools. Snakelocks anemone, atlantic beadlet anemone and common hermit crab are the usual finds. ~108 distinct species have been recorded here, across at least 2 years of observations.

What is the best time to visit today?

Download the app to see the 7-day schedule.

Predicted tide for Dale Roads, from The UK Hydrographic Office.

See low tide times at Castle Beach for the next three days
  1. Sun 15 Novin the dark2:542.3 m15:242.4 m
  2. Mon 16 Novin the dark3:352.6 m16:142.7 m
  3. Tue 17 Novin the dark4:292.9 min the dark17:202.9 m

Every low tide each day, in local time at the shore.

Plan the week in Intertidal
  • A tide chart for every day, with the best window marked
  • Identify what you find from a photo
  • An alert when a good daylight low is coming

When do people visit?

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Most observations come from March and September.

What should you know before visiting?

Arrive 45 minutes to an hour before low tide and leave as it turns. The water comes back faster than it left.
Grippy shoes beat sandals. Wet rock and algae are more slippery than they look. Rock pool safety
A rock pool is a fragile place. Look and photograph, take nothing. The rockpooling code

What lives at Castle Beach?

Species records from iNaturalist

snakelocks anemoneAnemonia viridis
Atlantic Beadlet AnemoneActinia equina
Common Hermit CrabPagurus bernhardus
Gem AnemoneBunodactis verrucosa
Cushion StarAsterina gibbosa
European Green CrabCarcinus maenas
Channelled WrackPelvetia canaliculata
Blue-rayed LimpetPatella pellucida
Hairy Porcelain CrabPorcellana platycheles
Montagu's CrabXantho hydrophilus
Common PeriwinkleLittorina littorea
Japanese WireweedSargassum muticum
Spiny Spider CrabMaja brachydactyla
bladder wrackFucus vesiculosus
Common Sea SlaterLigia oceanica
Scan this rock pool on your next visit.

Every organism named, every visit logged to your journal.