Divers with the Sûreté du Québec were back on the shores of Lac Saint-Louis Sunday morning to resume searching for a missing boater.
The 38-year-old man, who was on a small boat with three other people, fell overboard in the overnight hours of Friday to Saturday.
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READ MORE: Search underway in Lac Saint-Louis for missing boater
Two of the boaters were treated in hospital for hypothermia, while the third was treated for shock.
The search area extends from Châteauguay to Pointe-Claire.
The current water temperature in the lake is 18 degrees Celsius. According to experts, a person could survive for approximately 12 hours in the water under those conditions, depending on their size.