This call is linked to “the concordance of various phenomena: swell, edge waves that can locally reach 2.50 meters, strong currents and formation of baïnes, high air and water temperatures”, she specifies. in a press release.

The baïnes are kinds of natural pools that form between the beach and a sandbar, generating strong currents offshore when they empty at the ebb.

A wave of edge (or shore break) is a very powerful wave which breaks very close to the shore, and thus in very little water, being able to cause traumatisms, even drownings.

For Saturday, where temperatures are expected around 30 degrees, the prefect advises “to avoid swimming outside the supervised bathing areas”, while acknowledging that they are not all open yet before the summer season. ‘summer.

During the month of May, several drownings have already taken place in Gironde.