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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via, as described in the StoryMap here.

Hydrograph River at a Glance Download
Skookumchuck River at Skookumchuck Reservoir Pool (ft)Highest Observation: 468.58 ft at 6:02AM Jun 05, 2023Observed: 468.57 ft at 7:02AM Jun 05, 2023Observed: 468.56 ft at 8:03AM Jun 05, 2023Observed: 468.55 ft at 9:02AM Jun 05, 2023Observed: 468.53 ft at 10:03AM Jun 05, 2023Observed: 468.49 ft at 11:02AM Jun 05, 2023Observed: 468.5 ft at 12:02PM Jun 05, 2023Observed: 468.44 ft at 1:03PM Jun 05, 2023Observed: 468.45 ft at 2:03PM Jun 05, 2023Observed: 468.43 ft at 3:03PM Jun 05, 2023Observed: 468.41 ft at 4:02PM Jun 05, 2023Observed: 468.37 ft at 5:03PM Jun 05, 2023Observed: 468.37 ft at 6:03PM Jun 05, 2023Observed: 468.34 ft at 7:03PM Jun 05, 2023Observed: 468.32 ft at 8:03PM Jun 05, 2023Observed: 468.31 ft at 9:03PM Jun 05, 2023Observed: 468.28 ft at 10:02PM Jun 05, 2023Observed: 468.28 ft at 11:02PM Jun 05, 2023Observed: 468.24 ft at 12:03AM Jun 06, 2023Observed: 468.23 ft at 1:02AM Jun 06, 2023Observed: 468.22 ft at 2:03AM Jun 06, 2023Observed: 468.19 ft at 3:03AM Jun 06, 2023Observed: 468.18 ft at 4:03AM Jun 06, 2023Observed: 468.17 ft at 5:03AM Jun 06, 2023Observed: 468.15 ft at 6:03AM Jun 06, 2023Observed: 468.14 ft at 7:03AM Jun 06, 2023Observed: 468.11 ft at 8:03AM Jun 06, 2023Observed: 468.1 ft at 9:03AM Jun 06, 2023Observed: 468.1 ft at 10:04AM Jun 06, 2023Observed: 468.07 ft at 11:03AM Jun 06, 2023Observed: 468.04 ft at 12:03PM Jun 06, 2023Observed: 468.02 ft at 1:03PM Jun 06, 2023Observed: 468 ft at 2:03PM Jun 06, 2023Observed: 467.98 ft at 3:02PM Jun 06, 2023Observed: 467.96 ft at 4:02PM Jun 06, 2023Observed: 467.94 ft at 5:02PM Jun 06, 2023Observed: 467.92 ft at 6:02PM Jun 06, 2023Observed: 467.91 ft at 7:02PM Jun 06, 2023Observed: 467.89 ft at 8:03PM Jun 06, 2023Observed: 467.87 ft at 9:03PM Jun 06, 2023Observed: 467.86 ft at 10:03PM Jun 06, 2023Observed: 467.84 ft at 11:02PM Jun 06, 2023Observed: 467.82 ft at 12:02AM Jun 07, 2023Observed: 467.8 ft at 1:02AM Jun 07, 2023Observed: 467.79 ft at 2:02AM Jun 07, 2023Observed: 467.75 ft at 4:03AM Jun 07, 2023Observed: 467.73 ft at 5:02AM Jun 07, 2023Observed: 467.72 ft at 6:02AM Jun 07, 2023Observed: 467.7 ft at 7:03AM Jun 07, 2023Observed: 467.67 ft at 9:03AM Jun 07, 2023Observed: 467.65 ft at 10:03AM Jun 07, 2023Observed: 467.63 ft at 11:03AM Jun 07, 2023Observed: 467.6 ft at 1:03PM Jun 07, 2023Observed: 467.58 ft at 2:02PM Jun 07, 2023Observed: 467.56 ft at 3:03PM Jun 07, 2023Observed: 467.55 ft at 4:03PM Jun 07, 2023Observed: 467.53 ft at 5:03PM Jun 07, 2023Observed: 467.49 ft at 7:03PM Jun 07, 2023Observed: 467.48 ft at 8:03PM Jun 07, 2023Observed: 467.47 ft at 9:03PM Jun 07, 2023Observed: 467.46 ft at 10:03PM Jun 07, 2023Observed: 467.45 ft at 11:03PM Jun 07, 2023Observed: 467.43 ft at 12:02AM Jun 08, 2023Observed: 467.42 ft at 1:02AM Jun 08, 2023Observed: 467.4 ft at 2:03AM Jun 08, 2023Observed: 467.38 ft at 3:02AM Jun 08, 2023Observed: 467.36 ft at 4:03AM Jun 08, 2023Observed: 467.34 ft at 5:02AM Jun 08, 2023Observed: 467.33 ft at 6:03AM Jun 08, 2023Observed: 467.31 ft at 7:02AM Jun 08, 2023Observed: 467.29 ft at 8:03AM Jun 08, 2023Observed: 467.27 ft at 9:03AM Jun 08, 2023Observed: 467.25 ft at 10:03AM Jun 08, 2023Observed: 467.23 ft at 11:02AM Jun 08, 2023Observed: 467.22 ft at 12:02PM Jun 08, 2023Observed: 467.21 ft at 1:03PM Jun 08, 2023Observed: 467.19 ft at 2:03PM Jun 08, 2023Observed: 467.16 ft at 3:03PM Jun 08, 2023Observed: 467.14 ft at 4:03PM Jun 08, 2023Observed: 467.13 ft at 5:03PM Jun 08, 2023Observed: 467.11 ft at 6:02PM Jun 08, 2023Observed: 467.09 ft at 7:03PM Jun 08, 2023Observed: 467.08 ft at 8:03PM Jun 08, 2023Observed: 467.06 ft at 9:03PM Jun 08, 2023SKRW1(plotting HPIRZ) Graph Created (10:20PM Jun 8, 2023)ObservedLatest observed value: 467.06 ft at 9:03 PM PDT 8-Jun-2023.
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Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Forecasts are not available for the Skookumchuck River at Skookumchuck Reservoir. Only observed stages are available for this point.
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Downstream Gauge Downstream Gauge - near Bucoda
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 477
Low Stage (in feet): 0

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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If you notice any errors in the below information, please contact our Webmaster
477 This is the spillway elevation and all additional river inflows will start passing over the spillway and on downstream.
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Latitude: 46.784722° N, Longitude: 122.717222° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
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