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Water Levels Forecasts and Temperatures

Water level forecasts and observations, including temperatures, tide and current tables for the central region.

Services and information

Expertise hydrique et barrages (FR only)

French only

Ministère de l'Environnement et de la Lutte contre les changements climatiques of Quebec.

Water Level Forecasts Bulletin

Expected minimum water levels in Montréal, Sorel and Trois-Rivières. Average water level on the Lake Ontario and Ottawa river outflow is also available.

Water Temperature

Canadian Coast Guard.

Forecasts for the Estuary and the Gulf of St. Lawrence

Data calculated by the Canadian Hydrographic Service and available on the St. Lawrence Global Observatory's website.

St. Lawrence Seaway Management Corporation

Water levels for the Welland Canal.

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