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 20 hr ago
FLOW RATE
197,245cfs
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
197,245cfs 7.2% vs avg
Optimal band: 167,658–226,832 cfs
PERIOD HIGH
207,183cfs
PERIOD LOW
184,950cfs
RUNNABLE
100%
last 7 day in band
Precipitation History
Your History · ST. CLAIR RIVER AT PORT HURON, MI

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Station Location

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

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