ST. MARYS RIVER AT SAULT STE. MARIE, ONTARIO

SAULT STE. MARIE, ON46.4983°N, -84.3153°W Updated 20 hr ago

FLOW RATE

79,208cfs

GAUGE HT

579.99ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

79,208cfs 15.0% vs avg

Optimal band: 64,469–87,223 cfs

PERIOD HIGH

82,047cfs

PERIOD LOW

72,775cfs

RUNNABLE

100%

last 30 day in band

Gauge Height

579.99ft

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46.4983, -84.3153

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DATA · USGS · NOAA · NWSUPDATED 2026-09-01 00:00 UTC

Site #04127885·USGS

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