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: Canet-en-Roussillon, Tías, Naxxar, Saint Paul's Bay, el Campello. 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
13/11 16:45	Canet-en-Roussillon 🏖 Plage du grand large	none
13/11 14:19	Tías 🏖 GPS	very little
13/11 14:18	Naxxar 🏖 GPS	a lot	Other
13/11 14:14	Naxxar 🏖 GPS	few	Pelagia Noctiluca
13/11 14:12	Saint Paul's Bay	a lot	Pelagia Noctiluca
13/11 13:12	el Campello 🏖 Platja del Carrerlamar	none
13/11 11:30	Cerbère 🏖 Plage De Cerbère	none
12/11 15:28	Banyuls-sur-Mer 🏖 Plage centrale	none
12/11 15:27	Banyuls-sur-Mer 🏖 Plage de Banyuls sur Mer	none
11/11 13:28	Marseille 🏖 Anse de la Fausse Monnaie	none