ST. MARYS RIVER AT SAULT STE. MARIE, ONTARIO

SAULT STE. MARIE, ON46.4983°N, -84.3153°W Updated 26 min ago

FLOW RATE

71,800cfs

GAUGE HT

580.09ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

71,800cfs 14.4% vs avg

Optimal band: 65,875–89,125 cfs

PERIOD HIGH

93,800cfs

PERIOD LOW

51,600cfs

RUNNABLE

91%

last 1 day in band

Gauge Height

580.09ft

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46.4983, -84.3153

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DATA · USGS · NOAA · NWSUPDATED 2026-09-01 19:36 UTC

Site #04127885·USGS

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