Waterlands
St. Clair River
USGS · 04159130
ST. CLAIR RIVER
USGS · 04159130LIVE

ST. CLAIR RIVER AT PORT HURON, MI

PORT HURON, MI42.9870°N, -82.4246°W Updated 1 hr ago
FLOW RATE
213,000cfs
GAUGE HT
578.95ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
213,000cfs 11.4% vs avg
Optimal band: 158,950–215,050 cfs
PERIOD HIGH
217,000cfs
PERIOD LOW
161,000cfs
RUNNABLE
99%
last 1 day in band

Gauge Height

578.95ft
Precipitation History
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Station Location

42.9870, -82.4246
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DATA · USGS · NOAA · NWSUPDATED 2026-07-07 17:00 UTC
Site #04159130·USGS

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