Grand River at Portland, MI
Is Grand River at Portland, MI flooding right now?
Grand River at Portland, MI measured 6.65 ft on 2026-09-11 00:00:00 UTC. That observation was 5.3 ft below its 12 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
6.65 ft
Streamflow
840 cfs
Minor flooding here begins at 12 ft, with major flooding at 16 ft. The highest crest on record was 12.98 ft on Mon, Apr 21, 1975.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 11 ft | 4.3 ft below |
| Minor flood | 12 ft | 5.3 ft below |
| Moderate flood | 14 ft | 7.3 ft below |
| Major flood | 16 ft | 9.3 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 12.98 ft | 1975-04-21 |
| 12.84 ft | 2004-05-24 |
| 12.62 ft | 2018-02-23 |
| 12.45 ft | 2019-02-27 |
| 12.21 ft | 2023-04-06 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Looking Glass River at Hinman Rd near Eagle, MI | 7.0 mi | Clinton County |
| Looking Glass River near Eagle, MI | 8.0 mi | Clinton County |
| Grand River at Ionia, MI | 11.3 mi | Ionia County |
| Grand River at Lansing, MI | 19.5 mi | Ingham County |
| Maple River at Maple Rapids, MI | 20.7 mi | Clinton County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.