A French news agency reported that a boy's body was found by bathers in the water south of Porquerolles at around 5pm.
Toulon prosecutor Xavier Tarabeux told Agence France Presse (AFP): "The body matches that of the young boy who went missing on Saturday."
He said the physical appearance matched as well as the clothes.
The agency reported that the body was found by Langoustier bay to the south of the island, not far from where Pierre's bike was discovered.
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A breezy and generally cloudy day with occasional outbreaks of rain and drizzle.
While there will be some brighter spells, it will be generally rather cloudy and breezy, with a little rain possible at times.
It will generally be rather cloudy overnight with some patchy rain at times, however there will be the odd clear spell too.