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: Fort Myers Beach, Menton, Cannes, Banyuls-sur-Mer, Fort Lauderdale. 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
08/11 20:40	Fort Myers Beach 🏖 unknown	few	Aurelia Aurita
08/11 11:32	Menton 🏖 Plage du Casino	none
08/11 09:45	Cannes 🏖 Plage de la Bocca	none
07/11 17:50	Banyuls-sur-Mer 🏖 Plage centrale	none
07/11 17:48	Banyuls-sur-Mer 🏖 Plage de Banyuls sur Mer	none
07/11 17:13	Fort Lauderdale 🏖 unknown	a lot
07/11 17:00	Nice 🏖 Plage Castel	none
07/11 16:07	Nice 🏖 Opera Plage	none
07/11 15:31	Fort Lauderdale 🏖 GPS	very little
07/11 14:17	Saint-Hilaire-de-Riez 🏖 Plage des Salins	none