2024-08-22 00:00:00 Tired of arriving on a beach to realize that it is full of jellyfish? Impossible to swim, in short a spoiled moment! With Meduseo, the jellyfish weather, find out in real time about the presence of jellyfish on the beaches. You only have to enter the name of the city to access the information. The data is presented in the form of bubbles on the map going from yellow to red: