Jellyfish are back in force along the French coastline! This Saturday, July 26, 2025, a massive arrival of Pelagia noctiluca, commonly known as pelagic jellyfish, has been observed along a broad stretch of the coast, from La Ciotat to Rayol-Canadel-sur-Mer, as well as on Corsican shores.

Reports are flooding in from Var, Alpes-Maritimes, and Haute-Corse, confirming an unusual and concentrated wave of jellyfish on several beaches.

jellyfish france 26072025

Affected towns and beaches

🏖️ Le Lavandou
  • Plage de Cavalière
  • Plage de la Fossette
  • Plage d’Aiguebelle
  • Plage de Saint-Clair
  • Plage de l’Anglade
  • Plage du Lavandou
🏖️ Bormes-les-Mimosas
  • Plage de la Favière
  • Plage du Grand Jardin
  • Plage de Brégançon
  • Plage de l’Estagnol
🏖️ Hyères
  • Plage du Pradeau (Giens Peninsula)
  • Plage de la Capte
  • Plage de l’Almanarre
🏖️ Saint-Raphaël
  • Plage de Santa-Lucia
  • Plage de Boulouris
  • Plage du Veillat
🏖️ Nice, Antibes, Cannes
  • Urban shoreline beaches
  • Plage du Midi (Cannes)
  • Plage de la Salis (Antibes)
🏖️ Corsica (Haute-Corse and Cap Corse)

Focus on Pelagia noctiluca

The Pelagia noctiluca is a stinging pelagic jellyfish, known for its bioluminescence and tentacles that can cause painful burns. It lives offshore but can be brought near the coast by wind and currents.

👉 See the full factsheet

What to do in case of a sting?

  • Exit the water immediately
  • Do not rub the affected area
  • Rinse only with seawater (not freshwater)
  • Remove filaments with tweezers or a rigid object
  • Apply a local heat source (hot, not boiling water) or vinegar as needed

👉 Read our sting advice

Help the community: report them!

Have you seen jellyfish? Take a few seconds to report them on our interactive map. It helps other swimmers avoid unpleasant surprises!

➡️ Report on Meduseo.com

🧴 Tip: watch swimming flags, wear goggles at sea, and keep your distance when in doubt.

— Written by the Meduseo team