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 Nov 2, 3:42 a.m. · Fisheries and Oceans Canada (CHS)

Brockville, ON

74.48m above IGLD 1985

0.53 m above chart datum · observed Nov 2, 3:42 a.m. · Fisheries and Oceans Canada (CHS)

Alexandria Bay, NY

74.58m above IGLD 1985

observed Nov 2, 3:36 a.m. · NOAA CO-OPS

Ogdensburg, NY

74.44m above IGLD 1985

observed Nov 2, 3:30 a.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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