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Local Info
Critical Stages
ActionFloodModerate FloodMajor Flood
Au Sable River - Gauge ASBM4
Au Sable, MI
Lat: 44.44N, Lon: 83.44W
 
Latest Observation
Updated: 9:45 AM EDT 10/8/25
Stage:8.56 ft
Flow:0.975 kcfs*
* Thousand cubic feet per second
Forecast
There are no Hydrographs available for this location.
Flood Impacts
Historical Crests
Historical crest information is not available.

Data provided by NOAA Advanced Hydrologic Prediction Service

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