Thunder Bay River Water Levels at Ocqueoc Cemetery, MI - Live BOLM4 Gauge & Flood Status

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Critical Stages
Action	Flood	Moderate Flood	Major Flood

Thunder Bay River - Gauge BOLM4
Bolton, MI
Lat: 45.12N, Lon: 83.64W

Latest Observation
Updated: 7:30 PM EDT 10/26/25

Stage:	12.23 ft
Flow:	0.667 kcfs*
* Thousand cubic feet per second

Forecast

Observation History Hydrograph Flood Impacts Historical Events

hydrograph

Flood Impacts

Historical Crests

Historical crest information is not available.

Data provided by NOAA Advanced Hydrologic Prediction Service