St. Agnes Beach

Cornwall, England · United Kingdom

What have people found?

Celtic sea slug, gutweed and montagu's stellate barnacle turn up here more than at our other tide pools. Cushion stars and allies, atlantic beadlet anemone and atlantic dogwhelk are the usual finds. ~15 distinct species have been recorded here. More has been recorded at Gyllyngvase Beach, 14.9 miles away.

What is the best time to visit today?

Download the app to see the 7-day schedule.

Predicted tide for Perranporth, from The UK Hydrographic Office.

See low tide times at St. Agnes Beach for the next three days
  1. Sun, Nov 15in the dark1:58 AM7.6 ft2:30 PM7.9 ft
  2. Mon, Nov 16in the dark2:42 AM8.6 ft3:23 PM8.8 ft
  3. Tue, Nov 17in the dark3:39 AM9.4 ft4:32 PM9.3 ft

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 April and July.

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. Tide pool safety
A tide pool is a fragile place. Look and photograph, take nothing. The tidepooling code

What lives at St. Agnes Beach?

Species records from iNaturalist

Cushion Stars and AlliesOreasteridae
Atlantic Beadlet AnemoneActinia equina
Atlantic DogwhelkNucella lapillus
Knotted WrackAscophyllum nodosum
European Green CrabCarcinus maenas
Strawberry AnemoneActinia fragacea
Lined Top ShellPhorcus lineatus
GutweedUlva intestinalis
Blue MusselMytilus edulis
White Italian SnailTheba pisana
Blue JellyCyanea lamarckii
Celtic Sea SlugOnchidella celtica
By-the-wind SailorVelella velella
Montagu's Stellate BarnacleChthamalus montagui
bladder wrackFucus vesiculosus
Scan this tide pool on your next visit.

Every organism named, every visit logged to your journal.