Water levels
The Port of Montreal measures water levels using 14 tide gauges between Montreal and Quebec City. The tide gauges are owned, maintained and accurate by the Canadian Hydrographic Service.
View the water level map (including tides) for all stations in Canada: WATER LEVELS | CANADIAN HYDROGRAPHIC SERVICE
View the water level forecasts in the St. Lawrence Ship Channel: E-NAVIGATION PORTAL
Water level at the Port of Montreal, Jetée 1, at 7 a.m. (local time)
| Water levels above Chart Datum, Jetée #1 | Channel depth, Jetée #1 | 30 days avg. | 1 year avg. |
|---|---|---|---|
| -0.302 m | 11.00 m | 11.37 m | 12.15 m |
Tide Gauges
| Tide gauge | Depth |
|---|---|
| Port-Saint-François | 11.55 m |
| Montréal, Rue Frontenac | 10.98 m |
| Lac Saint-Pierre | 11.26 m |
| Trois-Rivières | 11.49 m |
| Montréal, Jetée # 1 | 11.00 m |
| Varennes | 10.92 m |
| Contrecoeur (IOC) | 11.00 m |
| Sorel | 11.17 m |
Learn more about the water levels
What are the defining features of the Port of Montreal? How are water levels managed? Find out how the Port of Montreal manages the water levels of the St. Lawrence waterway.
