River levels

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

Kingston, ON

75.20m above IGLD 1985

1.00 m above chart datum · observed Sep 4, 11:27 a.m. · Fisheries and Oceans Canada (CHS)

Brockville, ON

74.90m above IGLD 1985

0.95 m above chart datum · observed Sep 4, 11:27 a.m. · Fisheries and Oceans Canada (CHS)

Alexandria Bay, NY

75.05m above IGLD 1985

observed Sep 4, 11:24 a.m. · NOAA CO-OPS

Ogdensburg, NY

74.87m above IGLD 1985

observed Sep 4, 11:18 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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