MEDIAN FLOW RATE · 1 DAY
730cfs 39.9% vs avg
Optimal band: 480–650 cfs
PERIOD HIGH
735cfs
PERIOD LOW
535cfs
RUNNABLE
76%
last 1 day in band
Gauge Height
8.47ft
Weather Map
Loading weather map…
Your History · GRAND RIVER AT IONIA, MI
Track your history
Sign in to track your sessions at GRAND RIVER AT IONIA, MI: best days, monthly trends, and time on the water.
Sign inSPONSORED
Station Location
42.9720, -85.0692Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-09-01 12:45 UTC
Site #04116000·USGS
Create a free account to save favorites, set flow alerts, and track conditions