Meduseo is a free jellyfish forecast service. It provides real-time jellyfish presence on beaches using a model combining social media data and community reports. Available in France, Spain, Italy, Australia and many other countries.

Is Meduseo data reliable?

Yes. Data was compared with dated and localized press articles. For example, the massive jellyfish presence in La Ciotat (Nov 2019) and Saint-Tropez (Mar 2020) was correctly detected by Meduseo, sometimes even before the media. The score ranges from 0 (absence) to 100 (massive presence).

Are there jellyfish on beaches today?

Jellyfish have been recently reported on some locations: La Rochelle, Bibione, Oued Laou, Strettoia, Palasca. Check the Meduseo map for the situation at your beach.

How can I report jellyfish presence?

You can report jellyfish presence directly on the Meduseo website or via the mobile app (Android and iPhone). Each report improves the quality of information for all swimmers.

Meduseo - Jellyfish map

Latest reports

Date	Location	Density	Species
14/07 01:16	La Rochelle 🏖 Plage des Minimes	few
14/07 00:11	Bibione 🏖 GPS	none
13/07 23:25	Oued Laou	a lot	Pelagia Noctiluca
13/07 23:25	Strettoia 🏖 GPS	a lot	Rhizostoma octopus
13/07 23:24	Palasca 🏖 Plage de l'Ostriconi	none
13/07 23:18	Plouguerneau 🏖 unknown	none
13/07 22:22	Le Gosier 🏖 Plage de Petit-Havre	few
13/07 22:08	Tinos 🏖 unknown	few	Pelagia Noctiluca
13/07 21:24	Tréguennec	very little
13/07 21:11	Notre-Dame-de-Monts	none