Are there jellyfish at Mwnt Beach today?

No jellyfish have been reported at Mwnt Beach (Y Ferwig) today. Last updated: 19/09/2026 07:28.

Is it safe to swim at Mwnt Beach today?

Swimming at Mwnt Beach appears safe today, no jellyfish reported. Check Meduseo for updates.

Other

Pelagia N.

5 - 10 cm

Aurelia A.

25 - 40 cm

Rhizostoma O.

20 - 90 cm

Cyanea L.

15 - 30 cm

Physalia P.

10 - 30 cm

Chrysaora H.

15 - 30 cm

Velella V.

4 - 8 cm

Cyanea C.

30 - 200 cm

Mnemiopsis L.

7 - 12 cm