MEDIAN FLOW RATE · 1 DAY
345cfs 62.2% vs avg
Optimal band: 247–335 cfs
PERIOD HIGH
345cfs
PERIOD LOW
279cfs
RUNNABLE
94%
last 1 day in band
Gauge Height
5.78ft
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Your History · Grand River at Portland, MI
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Station Location
42.8564, -84.9122Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-10-17 01:00 UTC
Site #04114000·USGS
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