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Local Info
Critical Stages
ActionFloodModerate FloodMajor Flood
Au Sable River - Gauge CSVM4
Curtisville--Alcona Dam, MI
Lat: 44.56N, Lon: 83.80W
 
Latest Observation
Updated: 2:15 AM EDT 10/27/25
Stage:7.94 ft
Flow:0.914 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests
Historical crest information is not available.

Data provided by NOAA Advanced Hydrologic Prediction Service

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