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FreeGovernmentCanada, North America
Tides Canada - Monthly Water Level Bulletin for the Great Lakes & Montreal Harbour
Fisheries and Oceans Canada monthly water level bulletin and underlying data for the Great Lakes and Montreal Harbour, with observed and forecast lake levels.
tides.gc.ca
At a glance
- Region
- Canada (North America)
- Coverage
- Great Lakes / St. Lawrence
- Access
- Free
- Category
- Government
- Last updated
- 2026
What's inside
- water levels
- lake levels
What you can do with it
Typical work that data of this type supports.
- 01
Storage tracking
Follow storage and releases through the season.
Because it has: water levels
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
Sea-level planning
Plan for sea-level rise and storm surge.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Storage from space
Estimate volume from satellite water area and altimetry.
- 02
Release decisions
Optimise releases against inflow forecasts.
- 03
Surge forecasts
Forecast surge and coastal water levels quickly.
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