Is it safe to swim at Grande Plage des Sables d'Olonne today?

Swimming at Grande Plage des Sables d'Olonne appears safe today, no jellyfish reported. Check Meduseo for updates.

Grande Plage des Sables d'Olonne, Les Sables-d'Olonne, France

No jellyfish have been reported at Grande Plage des Sables d'Olonne (Les Sables-d'Olonne) today. Last updated: 14/07/2026 12:29.

No information 21.4°C

Last updated : 12/07/2026 01:28

Date	Density	Species
12/07 01:28	very little	Rhizostoma octopus
10/07 12:44	few	Rhizostoma octopus
07/07 18:06	few	Pelagia Noctiluca