Five individuals in their 60s and 70s died in Hérault, whereas two aged 58 and 71 died in Bouches-du-Rhône. Another two died in Leucate, Aude.
The climate induced the seas to swell, creating choppy waters which led to them being swept out.
France has been hit by a heavy storm over the week, with record-breaking rainfall and yellow climate warnings all through the south.
Much of southern France was positioned beneath orange climate alerts – the second most severe indicating the must be “very vigilant”.
Thunderstorms, rains and floods hit on September 14 and 15, leaving lorries tilted and stranded in excessive water.
Police officers in Hérault additionally evacuated seashores.
Vias additionally noticed one man drown after reportedly falling from rocks into the waters.
Jordan Dartier, mayor of Vias, informed French broadcaster LCI: “I cannot understand how people got into the water when the seas were rough.
“It’s a dramatic day for our region.”
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Grégory Coutarel, head of search and rescue in Bouches-du-Rhône, informed the BBC heat temperature of the water had tempted individuals to swim, though situations weren’t supreme.
He stated: “On weekdays, enjoying the sea at 24C is quite exceptional, and can tempt tourists.”
He added that, because the climate stays heat for longer, lifeguards must be stored in place “until the end of September or even until mid-October”.
Local fireplace chief Aurélien Manenc additionally informed broadcaster TF1 individuals don’t perceive how dangerous choppy waters could be.
He stated: “The water is warm, you think you are going to have fun – and quickly you are pulled towards the open sea and towards the bottom, and you get exhausted trying to come back.
“This is what causes drowning.”
It comes as Gard, Hérault, Ardèche, Isère, Drôme, Savoie, Haute-Savoie and Ain stay beneath a yellow alert – urging vigilance – together with 30 different southern and japanese departments.
Authorities have warned individuals must be “aware” of the climate situations and maybe keep away from any actions which will put them in danger throughout a storm.
As of 10pm native time (9pm BST) on Wednesday, Gard’s firefighters had carried out 1,280 operations linked to the storms, together with 57 airlift rescues and 86 different rescues.
Crews have been significantly busy in the south of the division and round Nîmes.