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Hydrograph River at a Glance Download
Columbia River above Grand Coulee Dam Forebay Elevation (ft)Observed: 1287.2 ft at 5:00PM Aug 05, 2022Observed: 1287.2 ft at 6:00PM Aug 05, 2022Observed: 1287.2 ft at 7:00PM Aug 05, 2022Observed: 1287.2 ft at 8:00PM Aug 05, 2022Observed: 1287.1 ft at 9:00PM Aug 05, 2022Observed: 1287.1 ft at 10:00PM Aug 05, 2022Observed: 1287.2 ft at 11:00PM Aug 05, 2022Observed: 1287.19 ft at 11:59PM Aug 05, 2022Observed: 1287.2 ft at 12:00AM Aug 06, 2022Observed: 1287.2 ft at 1:00AM Aug 06, 2022Observed: 1287.2 ft at 2:00AM Aug 06, 2022Observed: 1287.2 ft at 3:00AM Aug 06, 2022Observed: 1287.1 ft at 4:00AM Aug 06, 2022Observed: 1287.2 ft at 5:00AM Aug 06, 2022Observed: 1287.3 ft at 6:00AM Aug 06, 2022Observed: 1287.3 ft at 7:00AM Aug 06, 2022Observed: 1287.3 ft at 8:00AM Aug 06, 2022Observed: 1287.4 ft at 9:00AM Aug 06, 2022Observed: 1287.3 ft at 10:00AM Aug 06, 2022Observed: 1287.3 ft at 11:00AM Aug 06, 2022Observed: 1287.3 ft at 12:00PM Aug 06, 2022Observed: 1287.3 ft at 1:00PM Aug 06, 2022Observed: 1287.3 ft at 2:00PM Aug 06, 2022Observed: 1287.3 ft at 3:00PM Aug 06, 2022Observed: 1287.2 ft at 4:00PM Aug 06, 2022Observed: 1287.1 ft at 5:00PM Aug 06, 2022Observed: 1287.1 ft at 6:00PM Aug 06, 2022Observed: 1287 ft at 7:00PM Aug 06, 2022Observed: 1287 ft at 8:00PM Aug 06, 2022Observed: 1287 ft at 9:00PM Aug 06, 2022Observed: 1287 ft at 10:00PM Aug 06, 2022Observed: 1287 ft at 11:00PM Aug 06, 2022Observed: 1287.03 ft at 11:59PM Aug 06, 2022Observed: 1287 ft at 12:00AM Aug 07, 2022Observed: 1287 ft at 1:00AM Aug 07, 2022Observed: 1287.1 ft at 2:00AM Aug 07, 2022Observed: 1287.1 ft at 3:00AM Aug 07, 2022Observed: 1287.2 ft at 4:00AM Aug 07, 2022Observed: 1287.2 ft at 5:00AM Aug 07, 2022Observed: 1287.3 ft at 6:00AM Aug 07, 2022Observed: 1287.3 ft at 7:00AM Aug 07, 2022Observed: 1287.3 ft at 8:00AM Aug 07, 2022Observed: 1287.4 ft at 9:00AM Aug 07, 2022Observed: 1287.4 ft at 10:00AM Aug 07, 2022Observed: 1287.4 ft at 11:00AM Aug 07, 2022Observed: 1287.3 ft at 12:00PM Aug 07, 2022Observed: 1287.3 ft at 1:00PM Aug 07, 2022Observed: 1287.2 ft at 2:00PM Aug 07, 2022Observed: 1287.1 ft at 3:00PM Aug 07, 2022Observed: 1287.1 ft at 4:00PM Aug 07, 2022Observed: 1287.1 ft at 5:00PM Aug 07, 2022Observed: 1287 ft at 6:00PM Aug 07, 2022Observed: 1286.9 ft at 7:00PM Aug 07, 2022Observed: 1286.9 ft at 8:00PM Aug 07, 2022Observed: 1286.8 ft at 9:00PM Aug 07, 2022Observed: 1286.7 ft at 10:00PM Aug 07, 2022Observed: 1286.8 ft at 11:00PM Aug 07, 2022Observed: 1286.87 ft at 11:59PM Aug 07, 2022Observed: 1286.9 ft at 12:00AM Aug 08, 2022Observed: 1286.8 ft at 1:00AM Aug 08, 2022Observed: 1286.9 ft at 2:00AM Aug 08, 2022Observed: 1286.8 ft at 3:00AM Aug 08, 2022Observed: 1286.8 ft at 4:00AM Aug 08, 2022Observed: 1286.8 ft at 5:00AM Aug 08, 2022Observed: 1286.9 ft at 6:00AM Aug 08, 2022Observed: 1286.9 ft at 7:00AM Aug 08, 2022Observed: 1286.9 ft at 8:00AM Aug 08, 2022Observed: 1286.9 ft at 9:00AM Aug 08, 2022Observed: 1286.9 ft at 10:00AM Aug 08, 2022Observed: 1286.9 ft at 11:00AM Aug 08, 2022Observed: 1286.8 ft at 12:00PM Aug 08, 2022Observed: 1286.9 ft at 1:00PM Aug 08, 2022Observed: 1286.9 ft at 2:00PM Aug 08, 2022Observed: 1286.9 ft at 3:00PM Aug 08, 2022Observed: 1286.8 ft at 4:00PM Aug 08, 2022Observed: 1286.8 ft at 5:00PM Aug 08, 2022Observed: 1286.6 ft at 6:00PM Aug 08, 2022Observed: 1286.7 ft at 7:00PM Aug 08, 2022Observed: 1286.7 ft at 8:00PM Aug 08, 2022Observed: 1286.7 ft at 9:00PM Aug 08, 2022Observed: 1286.7 ft at 10:00PM Aug 08, 2022Observed: 1286.8 ft at 11:00PM Aug 08, 2022Observed: 1286.74 ft at 11:59PM Aug 08, 2022Observed: 1286.7 ft at 12:00AM Aug 09, 2022Observed: 1286.7 ft at 1:00AM Aug 09, 2022Observed: 1286.7 ft at 2:00AM Aug 09, 2022Observed: 1286.8 ft at 3:00AM Aug 09, 2022Observed: 1286.8 ft at 4:00AM Aug 09, 2022Observed: 1286.8 ft at 5:00AM Aug 09, 2022Observed: 1286.8 ft at 6:00AM Aug 09, 2022Observed: 1286.8 ft at 7:00AM Aug 09, 2022Observed: 1286.9 ft at 8:00AM Aug 09, 2022Observed: 1286.9 ft at 9:00AM Aug 09, 2022Observed: 1286.9 ft at 10:00AM Aug 09, 2022Observed: 1287 ft at 11:00AM Aug 09, 2022Observed: 1287 ft at 12:00PM Aug 09, 2022Observed: 1286.9 ft at 1:00PM Aug 09, 2022Observed: 1286.9 ft at 2:00PM Aug 09, 2022Observed: 1286.9 ft at 3:00PM Aug 09, 2022Observed: 1286.9 ft at 4:00PM Aug 09, 2022Observed: 1286.9 ft at 5:00PM Aug 09, 2022Observed: 1286.8 ft at 6:00PM Aug 09, 2022Observed: 1286.8 ft at 7:00PM Aug 09, 2022Observed: 1286.8 ft at 8:00PM Aug 09, 2022Observed: 1286.8 ft at 9:00PM Aug 09, 2022Observed: 1286.8 ft at 10:00PM Aug 09, 2022Observed: 1286.8 ft at 11:00PM Aug 09, 2022Observed: 1286.8 ft at 11:59PM Aug 09, 2022Observed: 1286.8 ft at 12:00AM Aug 10, 2022Observed: 1286.8 ft at 1:00AM Aug 10, 2022Observed: 1286.9 ft at 2:00AM Aug 10, 2022Observed: 1286.8 ft at 3:00AM Aug 10, 2022Observed: 1286.8 ft at 4:00AM Aug 10, 2022Observed: 1286.9 ft at 5:00AM Aug 10, 2022Observed: 1286.9 ft at 6:00AM Aug 10, 2022Observed: 1286.8 ft at 7:00AM Aug 10, 2022Observed: 1286.8 ft at 8:00AM Aug 10, 2022Observed: 1286.9 ft at 9:00AM Aug 10, 2022Observed: 1286.9 ft at 10:00AM Aug 10, 2022Observed: 1286.9 ft at 11:00AM Aug 10, 2022Observed: 1286.9 ft at 12:00PM Aug 10, 2022Observed: 1286.9 ft at 1:00PM Aug 10, 2022Observed: 1286.8 ft at 2:00PM Aug 10, 2022Observed: 1286.8 ft at 3:00PM Aug 10, 2022Observed: 1286.9 ft at 4:00PM Aug 10, 2022Observed: 1286.9 ft at 5:00PM Aug 10, 2022Observed: 1286.9 ft at 6:00PM Aug 10, 2022Observed: 1286.9 ft at 7:00PM Aug 10, 2022Observed: 1286.9 ft at 8:00PM Aug 10, 2022Observed: 1286.9 ft at 9:00PM Aug 10, 2022Observed: 1286.9 ft at 10:00PM Aug 10, 2022Observed: 1287.1 ft at 11:00PM Aug 10, 2022Observed: 1287.21 ft at 11:59PM Aug 10, 2022Observed: 1287.2 ft at 12:00AM Aug 11, 2022Observed: 1287.2 ft at 1:00AM Aug 11, 2022Observed: 1287.2 ft at 2:00AM Aug 11, 2022Observed: 1287.2 ft at 3:00AM Aug 11, 2022Observed: 1287.2 ft at 4:00AM Aug 11, 2022Observed: 1287.2 ft at 5:00AM Aug 11, 2022Observed: 1287.3 ft at 6:00AM Aug 11, 2022Observed: 1287.4 ft at 7:00AM Aug 11, 2022Observed: 1287.3 ft at 8:00AM Aug 11, 2022Observed: 1287.3 ft at 9:00AM Aug 11, 2022Observed: 1287.3 ft at 10:00AM Aug 11, 2022Observed: 1287.3 ft at 11:00AM Aug 11, 2022Observed: 1287.4 ft at 12:00PM Aug 11, 2022Observed: 1287.4 ft at 1:00PM Aug 11, 2022Highest Observation: 1287.5 ft at 2:00PM Aug 11, 2022Observed: 1287.4 ft at 3:00PM Aug 11, 2022Observed: 1287.3 ft at 4:00PM Aug 11, 2022Observed: 1287.3 ft at 5:00PM Aug 11, 2022Observed: 1287.3 ft at 6:00PM Aug 11, 2022Observed: 1287.3 ft at 7:00PM Aug 11, 2022Observed: 1287.3 ft at 8:00PM Aug 11, 2022Observed: 1287.3 ft at 9:00PM Aug 11, 2022Observed: 1287.2 ft at 10:00PM Aug 11, 2022Observed: 1287.2 ft at 11:00PM Aug 11, 2022Observed: 1287.26 ft at 11:59PM Aug 11, 2022Observed: 1287.3 ft at 12:00AM Aug 12, 2022Observed: 1287.3 ft at 1:00AM Aug 12, 2022Observed: 1287.3 ft at 2:00AM Aug 12, 2022Observed: 1287.3 ft at 3:00AM Aug 12, 2022Observed: 1287.3 ft at 4:00AM Aug 12, 2022Observed: 1287.3 ft at 5:00AM Aug 12, 2022Observed: 1287.3 ft at 6:00AM Aug 12, 2022Observed: 1287.2 ft at 7:00AM Aug 12, 2022Observed: 1287.2 ft at 8:00AM Aug 12, 2022Observed: 1287.2 ft at 9:00AM Aug 12, 2022Observed: 1287.2 ft at 10:00AM Aug 12, 2022Observed: 1287.1 ft at 11:00AM Aug 12, 2022Observed: 1287.1 ft at 12:00PM Aug 12, 2022Observed: 1287 ft at 1:00PM Aug 12, 2022Observed: 1286.9 ft at 2:00PM Aug 12, 2022Observed: 1286.9 ft at 3:00PM Aug 12, 2022Observed: 1287 ft at 4:00PM Aug 12, 2022Forecast: 1287.13 ft 5:00PM Aug 12, 2022Forecast: 1287.21 ft 11:00PM Aug 12, 2022Forecast: 1287.27 ft 5:00AM Aug 13, 2022Forecast: 1287.31 ft 11:00AM Aug 13, 2022Forecast: 1287.33 ft 5:00PM Aug 13, 2022Forecast: 1287.35 ft 11:00PM Aug 13, 2022Highest Forecast: 1287.36 ft 5:00AM Aug 14, 2022Highest Forecast: 1287.36 ft 11:00AM Aug 14, 2022Highest Forecast: 1287.36 ft 5:00PM Aug 14, 2022Highest Forecast: 1287.36 ft 11:00PM Aug 14, 2022Forecast: 1287.33 ft 5:00AM Aug 15, 2022Forecast: 1287.28 ft 11:00AM Aug 15, 2022Forecast: 1287.22 ft 5:00PM Aug 15, 2022Forecast: 1287.16 ft 11:00PM Aug 15, 2022Forecast: 1287.1 ft 5:00AM Aug 16, 2022Forecast: 1287.04 ft 11:00AM Aug 16, 2022Forecast: 1286.98 ft 5:00PM Aug 16, 2022Forecast: 1286.92 ft 11:00PM Aug 16, 2022Forecast: 1286.86 ft 5:00AM Aug 17, 2022Forecast: 1286.79 ft 11:00AM Aug 17, 2022Forecast: 1286.72 ft 5:00PM Aug 17, 2022Forecast: 1286.64 ft 11:00PM Aug 17, 2022Forecast: 1286.56 ft 5:00AM Aug 18, 2022Forecast: 1286.48 ft 11:00AM Aug 18, 2022Forecast: 1286.39 ft 5:00PM Aug 18, 2022Forecast: 1286.31 ft 11:00PM Aug 18, 2022Forecast: 1286.22 ft 5:00AM Aug 19, 2022Forecast: 1286.14 ft 11:00AM Aug 19, 2022USBR--Pacific Northwest RegionGCDW1(plotting HFIRX) Graph Created (4:46PM Aug 12, 2022)ObservedForecast (issued 2:40PM Aug 12)Latest observed value: 1287 ft at 4:00 PM PDT 12-Aug-2022.
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading affected by reservoir operations.

NOTE: Forecasts for the Columbia River above Grand Coulee Dam are issued routinely year-round.

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Upstream Gauge - at International Boundary Upstream Gauge Downstream Gauge Downstream Gauge - at Chief Joseph Dam
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 0
Low Stage (in feet): 1230

Historic Crests
(1) 1,290.36 ft on 08/06/1976
(2) 1,290.30 ft on 07/17/1942
(3) 1,290.30 ft on 06/03/1945
(4) 1,289.71 ft on 07/12/2013
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,289.60 ft on 07/08/2018
(2) 1,289.67 ft on 07/09/2017
(3) 1,288.44 ft on 06/21/2016
(4) 1,289.62 ft on 07/13/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 956.10 ft on 08/29/1938
Zoom Level:9
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Gauge LocationGauge Map Marker
 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.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
1208 Keller Ferry will not be running below this elevation
1222 Spring Canyon minimum boat launch elevation
1227 Seven Bays minimum boat launch elevation
1229 Keller Ferry minimum boat launch elevation
1230 Giffort-Inchelium Ferry will not be running below this elevation
1230 Hunters Camp minimum boat launch elevation
1234 Kettle Falls minimum boat launch elevation
1243 Porcupine Bay minimum boat launch elevation
1245 Lincoln Mill boat launch minimum elevation
1247 Fort Spokane minimum boat launch elevation
1249 Gifford minimum boat launch elevation
1251 Bradbury Beach minimum boat launch elevation
1253 Hansen Harbor boat launch minimum elevation
1265 Crescent Bay Campground, French Rocks, & Daisy boat launch minimum elevation
1266 Jones Bay boat launch minimum elevation
1277 Snag Cove & China Bend minimum boat launch elevation
1280 Evans, North Gorge, & Napoleon Bridge minimum boat launch elevation
1281 Hawk Creek & Marcus Island boat launch minimum elevation
About This Location Collapse

Latitude: 47.955556° N, Longitude: 118.983889° 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)		 Elevation
(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 0 ft 0 ft  

Current/Historical Observations:
Additional Information Collapse
WSDOT Keller Ferry information http://www.wsdot.wa.gov/Regions/Eastern/KellerFerry Bureau of Rec Lake Level website http://www.usbr.gov/pn/grandcoulee/lakelevel/index.html National Park Service boat ramp information http://www.nps.gov/laro/planyourvisit/boating.htm#CP_JUMP_61961
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Spokane Weather Forecast Office
2601 N. Rambo Rd.
Spokane, WA 99224
(509) 244-0110
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