MEDIAN FLOW RATE · 30 DAY
877cfs 26.5% vs avg
Optimal band: 666–900 cfs
PERIOD HIGH
1,247cfs
PERIOD LOW
483cfs
RUNNABLE
48%
last 30 day in band
Gauge Height
5.96ft
Precipitation History
Your History · GRAND RIVER AT PORTLAND, MI
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Station Location
42.8564, -84.9122Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #04114000·USGS
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