Are there jellyfish at Plage des Tonnelles today?

No jellyfish have been reported at Plage des Tonnelles (Saint-Jean-de-Monts) today. Last updated: 04/05/2026 06:09.

Is it safe to swim at Plage des Tonnelles today?

Swimming at Plage des Tonnelles appears safe today, no jellyfish reported. Check Meduseo for updates.

No information 16.9°C

Last updated : 04/05/2026 00:00

Date	Density	Species	Comments
01/05 16:04	a lot		Proche du bord et échouées

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

Chrysaora

15 - 30 cm

Velella

4 - 8 cm

Description rapide

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Dominant color :

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