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Local Info
Critical Stages
ActionFloodModerate FloodMajor Flood
Columbia River - Gauge GCDW1
Grand Coulee Dam, WA
Lat: 47.96N, Lon: 118.98W
 
Latest Observation
Updated: 10:00 PM PDT 10/8/25
Stage:1285.5 ft
Flow:-999 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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