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Local Info
Critical Stages
11.5' - Action14' - Flood16' - Moderate Flood17' - Major Flood
Penobscot River - Gauge GRNM1
Grindstone, ME
Lat: 45.73N, Lon: 68.61W
 
Latest Observation
 Updated: 8:00 PM EDT 10/14/25
Stage:4.48 ft
Flow:0.363 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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