Are there jellyfish at Saint-Jean-de-Monts today?

No jellyfish have been reported at Saint-Jean-de-Monts today. Last updated: 24/09/2026 23:27.

What jellyfish species are found at Saint-Jean-de-Monts?

Recently observed species at Saint-Jean-de-Monts include: Rhizostoma octopus. Visit the page for more details.

Swimming at Saint-Jean-de-Monts appears safe today, no jellyfish reported. Stay alert and check Meduseo for real-time updates.

No jellyfish 19.7°C 0.03 m/s

Last updated : 24/09/2026 18:00

Date	Density	Species	Comments
21/09 18:45	very little	Rhizostoma octopus	Plage de la Davière

1 seule, proche du poste de surveillance et signalée aux sauveteurs.

Proche du bord