Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov 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 https://www.weather.gov/owp/operations, as described in the StoryMap here.

Weather Forecast Office Seattle, WA

Northwest River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (PDT) Datum: NAVD88 Metadata

NOTE: River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast. Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the Skookumchuck River near Bucoda are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 215 Moderate Flood Stage: 213 Flood Stage: 211.5 Action Stage: 209.5 Low Stage (in feet): 0 Historic Crests (1) 216.02 ft on 02/08/1996 (2) 215.99 ft on 01/07/2022 (P) (3) 214.10 ft on 03/02/2022 (P) (4) 214.00 ft on 01/03/2021 (P) (5) 213.23 ft on 01/13/2021 (P) Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 214.10 ft on 03/02/2022 (P) (2) 215.99 ft on 01/07/2022 (P) (3) 211.97 ft on 02/23/2021 (P) (4) 213.23 ft on 01/13/2021 (P) (5) 214.00 ft on 01/03/2021 (P) Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) 3.85 ft on 08/20/1970 For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:16 Legend FEMA Layer Gauge Location Disclaimer 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.

Flood Impacts & Photos

If you notice any errors in the below information, please contact our Webmaster
215.8	the Skookumchuck River in Thurston County will cause severe near record flooding in the Bucoda area...with deep and swift flood waters inundating residential and business areas and numerous roads.Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Skookumchuck River Basin.
215	the Skookumchuck River in Thurston County will cause major flooding in the Bucoda area...with deep and swift flood waters inundating residential and business areas and numerous roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Skookumchuck River Basin.
213	the Skookumchuck River in Thurston County will flood several residential and business areas around Bucoda. Flood waters will cover many roads
211.5	the Skookumchuck River in Thurston County will flood a few roads and low pasture lands near Bucoda.

About This Location

Latitude: 46.772046° N, Longitude: 122.924298° W, Horizontal Datum: NAD27 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 211.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 Not Available 211.50 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 198.19 ft 211.69 ft Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Bucoda

Additional Information

Chehalis River Basin Flood Authority link to Chehalis River Basin Early Warning System: http://lewiscountywa.gov/chehalis-river-basin-flood-authority

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary USGS Streamflow Data USACE real time/archived data query

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Inundation Mapping Locations Snow Information Flood Smart/National Flood Insurance Program

Collaborative Agencies 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 National Weather Service Seattle Weather Forecast Office 7600 Sandpoint Way NE Seattle, WA 98115-6349 (206) 526-6087 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:27 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities