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Local Info
Critical Stages
46' - Action48' - Flood54' - Moderate Flood57' - Major Flood
Cowlitz River - Gauge CASW1
Castle Rock, WA
Lat: 46.27N, Lon: 122.91W
 
Latest Observation
Updated: 7:30 AM PDT 10/10/25
Stage:32.96 ft
Flow:4.04 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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