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MI10 associated gaugesSource-backed records

Grand River

Linked station records, forecasts, and alerts stay source-specific so the river page can show context without flattening it into a single safety score.

This page does not create a single river-wide condition or safety rating.

Associated gauges10Station-level records
Gauges with readings10Observation-capable records
Forecast availability11 linked forecast gauge
Last source updateAvailableSep 1, 2026 at 4:00 AM CDT

Current gauges on Grand River

Station readings stay source-specific and compact for scanning.

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StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

4.43 ft

Observed May 14, 2026 at 2:00 AM CDT

Observation 161106 minutes old

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

566 cfs

Observed Jan 13, 2026 at 7:15 AM CST

Observation 334971 minutes old

NWS / NWPS GNDM4

Grand River at Grandville

MI

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

3.83 ft

Observed Aug 30, 2026 at 11:45 AM CDT

Observation 5001 minutes old

NWS / NWPS PORM4

Grand River at Portland

MI

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

1,110 cfs

Observed May 14, 2026 at 3:00 PM CDT

Observation 160326 minutes old

NWS / NWPS ADAM4

Grand River at Ada

MI

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

7.08 ft

Observed Sep 1, 2026 at 4:00 AM CDT

Observation 2586 minutes old

NWS / NWPS GDRM4

Grand River at Grand Rapids

MI

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.
Forecast

Latest public reading

4,000 cfs

Observed May 14, 2026 at 10:00 PM CDT

Observation 159906 minutes old

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

3,970 cfs

Observed May 14, 2026 at 11:00 PM CDT

Observation 159846 minutes old

NWS / NWPS JACM4

Grand River at Jackson

MI

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

97.9 cfs

Observed May 14, 2026 at 10:30 PM CDT

Observation 159876 minutes old

Recent hydrograph

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Hydrograph unavailable

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Station-level detail

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Persisted source data

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Official source context

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