Are there jellyfish at plage du Grand Traict today?

No jellyfish have been reported at plage du Grand Traict (Saint-Nazaire) today. Last updated: 04/05/2026 08:34.

Is it safe to swim at plage du Grand Traict today?

Swimming at plage du Grand Traict appears safe today, no jellyfish reported. Check Meduseo for updates.

No information 16.9°C

Last updated : 04/05/2026 06:00

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

Chrysaora

15 - 30 cm

Velella

4 - 8 cm

Description rapide

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Dominant color :

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