Are there jellyfish at Plage de Fort-Mahon today?

No jellyfish have been reported at Plage de Fort-Mahon (Fort-Mahon-Plage) today. Last updated: 11/04/2026 21:46.

Is it safe to swim at Plage de Fort-Mahon today?

Swimming at Plage de Fort-Mahon appears safe today, no jellyfish reported. Check Meduseo for updates.

No information 10.92°C

Last updated : 11/04/2026 21:46

No recent reports

Beach (if available)

Observation position

Date of observation

How many jellyfish did you see?

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What did they look like?

Other

Pelagia

5 - 10 cm

Aurelia

25 - 40 cm

Rhizostoma

20 - 90 cm

Cyanea

15 - 30 cm

Chrysaora

15 - 30 cm

Velella

4 - 8 cm

Description rapide

Estimated size :

Dominant color :

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