River levels

Current St. Lawrence water levels from official gauges, both sides of the river.

Kingston, ON

74.69m above IGLD 1985

0.49 m above chart datum · observed Oct 31, 6:42 p.m. · Fisheries and Oceans Canada (CHS)

Brockville, ON

74.45m above IGLD 1985

0.50 m above chart datum · observed Oct 31, 6:42 p.m. · Fisheries and Oceans Canada (CHS)

Alexandria Bay, NY

74.58m above IGLD 1985

observed Oct 31, 6:36 p.m. · NOAA CO-OPS

Ogdensburg, NY

74.41m above IGLD 1985

observed Oct 31, 6:30 p.m. · NOAA CO-OPS

Updated just now. Readings refresh about every 30 minutes.

Data: Canadian Hydrographic Service (Fisheries and Oceans Canada) and NOAA CO-OPS. All readings are metres above the IGLD 1985 datum. For navigation and flood decisions use official sources directly.

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