MEDIAN FLOW RATE · 7 DAY
815cfs 11.9% vs avg
Optimal band: 738–998 cfs
PERIOD HIGH
939cfs
PERIOD LOW
815cfs
RUNNABLE
100%
last 7 day in band
Gauge Height
5.87ft
Precipitation History
Your History · GRAND RIVER AT PORTLAND, MI
Track your history
Sign in to track your sessions at GRAND RIVER AT PORTLAND, MI — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
83°
58°
MON
94°
64°
TUE
94°
71°
WED
93°
70°
THU
89°
65°
FRI
82°
64°
SAT
91°
68°
FISH INDEX
Temperature
Too Hot
Wind
Calm
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
06:12 AM
SUNSET
09:18 PM
15H 6M OF DAYLIGHT
MOON PHASE
New Moon
4% illuminated
PEAK ACTIVITY
Station Location
42.8564, -84.9122Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #04114000·USGS
Create a free account to save favorites, set flow alerts, and track conditions
