Porthcressa Beach

England · United Kingdom

What have people found?

Montagu's stellate barnacle, gem anemone and blue jelly turn up here more than at our other rock pools. Bladder wrack, european green crab and snakelocks anemone are the usual finds. ~68 distinct species have been recorded here.

What is the best time to visit today?

Download the app to see the 7-day schedule.

Predicted tide for ST. MARY'S, from The UK Hydrographic Office.

See low tide times at Porthcressa Beach for the next three days
  1. Sun 15 Novin the dark1:441.9 m14:132.0 m
  2. Mon 16 Novin the dark2:272.1 m15:032.2 m
  3. Tue 17 Novin the dark3:232.3 m16:082.3 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 September and December.

What should you know before visiting?

Parking is about 300 meters away.
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 Porthcressa Beach?

Species records from iNaturalist

bladder wrackFucus vesiculosus
European Green CrabCarcinus maenas
snakelocks anemoneAnemonia viridis
Atlantic Beadlet AnemoneActinia equina
Purple TopshellSteromphala umbilicalis
Atlantic DogwhelkNucella lapillus
Compass JellyChrysaora hysoscella
Blue JellyCyanea lamarckii
Garden SnailCornu aspersum
ThongweedHimanthalia elongata
Channelled WrackPelvetia canaliculata
Montagu's Stellate BarnacleChthamalus montagui
Cushion StarAsterina gibbosa
Lined Top ShellPhorcus lineatus
Gem AnemoneBunodactis verrucosa
Scan this rock pool on your next visit.

Every organism named, every visit logged to your journal.