Flood Outlook

GRCA Administrative Office, Port Hope

Shoreline Conditions Statement: Lake Ontario Flood Outlook

The Ganaraska Region Conservation Authority advises high water levels on Lake Ontario will continue for the next several weeks. Flood Potential: LOW Issued: May 8, 2026 at 2:30 p.m. The water level of Lake Ontario is currently 75.34 meters above sea level (masl), which is 33 cm above normal compared to the long term average…

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