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Hydrograph River at a Glance Download
Columbia River above Grand Coulee Dam Forebay Elevation (ft)Observed: 1280.4 ft at 8:00PM Sep 16, 2014Observed: 1280.3 ft at 9:00PM Sep 16, 2014Observed: 1280.3 ft at 10:00PM Sep 16, 2014Observed: 1280.4 ft at 11:00PM Sep 16, 2014Observed: 1280.4 ft at 12:00AM Sep 17, 2014Observed: 1280.5 ft at 1:00AM Sep 17, 2014Observed: 1280.5 ft at 2:00AM Sep 17, 2014Observed: 1280.5 ft at 3:00AM Sep 17, 2014Observed: 1280.4 ft at 4:00AM Sep 17, 2014Observed: 1280.4 ft at 5:00AM Sep 17, 2014Observed: 1280.5 ft at 6:00AM Sep 17, 2014Observed: 1280.5 ft at 7:00AM Sep 17, 2014Observed: 1280.5 ft at 8:00AM Sep 17, 2014Observed: 1280.5 ft at 9:00AM Sep 17, 2014Observed: 1280.5 ft at 10:00AM Sep 17, 2014Observed: 1280.5 ft at 11:00AM Sep 17, 2014Observed: 1280.5 ft at 12:00PM Sep 17, 2014Observed: 1280.5 ft at 1:00PM Sep 17, 2014Observed: 1280.5 ft at 2:00PM Sep 17, 2014Observed: 1280.5 ft at 3:00PM Sep 17, 2014Observed: 1280.5 ft at 4:00PM Sep 17, 2014Observed: 1280.5 ft at 5:00PM Sep 17, 2014Observed: 1280.6 ft at 6:00PM Sep 17, 2014Observed: 1280.6 ft at 7:00PM Sep 17, 2014Observed: 1280.6 ft at 8:00PM Sep 17, 2014Observed: 1280.6 ft at 9:00PM Sep 17, 2014Observed: 1280.6 ft at 10:00PM Sep 17, 2014Observed: 1280.7 ft at 11:00PM Sep 17, 2014Observed: 1280.7 ft at 12:00AM Sep 18, 2014Observed: 1280.7 ft at 1:00AM Sep 18, 2014Observed: 1280.8 ft at 2:00AM Sep 18, 2014Observed: 1280.7 ft at 3:00AM Sep 18, 2014Observed: 1280.7 ft at 4:00AM Sep 18, 2014Observed: 1280.7 ft at 5:00AM Sep 18, 2014Observed: 1280.7 ft at 6:00AM Sep 18, 2014Observed: 1280.7 ft at 7:00AM Sep 18, 2014Observed: 1280.8 ft at 8:00AM Sep 18, 2014Observed: 1280.7 ft at 9:00AM Sep 18, 2014Observed: 1280.7 ft at 10:00AM Sep 18, 2014Observed: 1280.7 ft at 11:00AM Sep 18, 2014Observed: 1280.8 ft at 12:00PM Sep 18, 2014Observed: 1280.8 ft at 1:00PM Sep 18, 2014Observed: 1280.8 ft at 2:00PM Sep 18, 2014Observed: 1280.8 ft at 3:00PM Sep 18, 2014Observed: 1280.7 ft at 4:00PM Sep 18, 2014Observed: 1280.7 ft at 5:00PM Sep 18, 2014Observed: 1280.8 ft at 6:00PM Sep 18, 2014Observed: 1280.9 ft at 7:00PM Sep 18, 2014Observed: 1280.9 ft at 8:00PM Sep 18, 2014Observed: 1280.9 ft at 9:00PM Sep 18, 2014Observed: 1280.9 ft at 10:00PM Sep 18, 2014Observed: 1280.9 ft at 11:00PM Sep 18, 2014Observed: 1281 ft at 2:00AM Sep 19, 2014Observed: 1281 ft at 5:00AM Sep 19, 2014Observed: 1281 ft at 6:00AM Sep 19, 2014Observed: 1280.9 ft at 7:00AM Sep 19, 2014Observed: 1281 ft at 8:00AM Sep 19, 2014Observed: 1281 ft at 9:00AM Sep 19, 2014Observed: 1281 ft at 10:00AM Sep 19, 2014Observed: 1281 ft at 11:00AM Sep 19, 2014Observed: 1281 ft at 12:00PM Sep 19, 2014Observed: 1280.9 ft at 1:00PM Sep 19, 2014Observed: 1280.9 ft at 2:00PM Sep 19, 2014Observed: 1280.9 ft at 3:00PM Sep 19, 2014Observed: 1280.9 ft at 4:00PM Sep 19, 2014Observed: 1281 ft at 5:00PM Sep 19, 2014Observed: 1280.9 ft at 6:00PM Sep 19, 2014Observed: 1280.9 ft at 7:00PM Sep 19, 2014Observed: 1280.8 ft at 8:00PM Sep 19, 2014Observed: 1280.8 ft at 9:00PM Sep 19, 2014Observed: 1280.8 ft at 10:00PM Sep 19, 2014Observed: 1280.9 ft at 11:00PM Sep 19, 2014Observed: 1281 ft at 12:00AM Sep 20, 2014Observed: 1281 ft at 1:00AM Sep 20, 2014Observed: 1281 ft at 2:00AM Sep 20, 2014Observed: 1281 ft at 3:00AM Sep 20, 2014Observed: 1280.9 ft at 4:00AM Sep 20, 2014Observed: 1281 ft at 5:00AM Sep 20, 2014Observed: 1281 ft at 6:00AM Sep 20, 2014Observed: 1281 ft at 7:00AM Sep 20, 2014Observed: 1281 ft at 8:00AM Sep 20, 2014Observed: 1280.9 ft at 9:00AM Sep 20, 2014Observed: 1280.9 ft at 10:00AM Sep 20, 2014Observed: 1280.9 ft at 11:00AM Sep 20, 2014Observed: 1281 ft at 12:00PM Sep 20, 2014Observed: 1281 ft at 1:00PM Sep 20, 2014Observed: 1281 ft at 2:00PM Sep 20, 2014Observed: 1280.9 ft at 3:00PM Sep 20, 2014Observed: 1280.9 ft at 4:00PM Sep 20, 2014Observed: 1280.8 ft at 5:00PM Sep 20, 2014Observed: 1280.9 ft at 6:00PM Sep 20, 2014Observed: 1280.9 ft at 7:00PM Sep 20, 2014Observed: 1280.9 ft at 8:00PM Sep 20, 2014Observed: 1280.8 ft at 9:00PM Sep 20, 2014Observed: 1280.9 ft at 10:00PM Sep 20, 2014Observed: 1280.9 ft at 11:00PM Sep 20, 2014Observed: 1280.9 ft at 12:00AM Sep 21, 2014Observed: 1281 ft at 1:00AM Sep 21, 2014Observed: 1281 ft at 2:00AM Sep 21, 2014Observed: 1281 ft at 3:00AM Sep 21, 2014Observed: 1281 ft at 4:00AM Sep 21, 2014Observed: 1281 ft at 5:00AM Sep 21, 2014Observed: 1281.1 ft at 6:00AM Sep 21, 2014Observed: 1281 ft at 7:00AM Sep 21, 2014Observed: 1281.1 ft at 8:00AM Sep 21, 2014Observed: 1281.1 ft at 9:00AM Sep 21, 2014Observed: 1281 ft at 10:00AM Sep 21, 2014Observed: 1281 ft at 11:00AM Sep 21, 2014Observed: 1281.1 ft at 12:00PM Sep 21, 2014Observed: 1281.2 ft at 1:00PM Sep 21, 2014Observed: 1281.2 ft at 2:00PM Sep 21, 2014Observed: 1281.1 ft at 3:00PM Sep 21, 2014Observed: 1281.1 ft at 4:00PM Sep 21, 2014Observed: 1281 ft at 6:00PM Sep 21, 2014Observed: 1281.1 ft at 7:00PM Sep 21, 2014Observed: 1281.2 ft at 8:00PM Sep 21, 2014Observed: 1281.1 ft at 9:00PM Sep 21, 2014Observed: 1281.1 ft at 10:00PM Sep 21, 2014Observed: 1281.2 ft at 11:00PM Sep 21, 2014Observed: 1281.2 ft at 12:00AM Sep 22, 2014Observed: 1281.2 ft at 1:00AM Sep 22, 2014Observed: 1281.3 ft at 2:00AM Sep 22, 2014Observed: 1281.3 ft at 3:00AM Sep 22, 2014Observed: 1281.3 ft at 4:00AM Sep 22, 2014Observed: 1281.3 ft at 5:00AM Sep 22, 2014Observed: 1281.3 ft at 6:00AM Sep 22, 2014Observed: 1281.3 ft at 7:00AM Sep 22, 2014Observed: 1281.3 ft at 8:00AM Sep 22, 2014Observed: 1281.4 ft at 9:00AM Sep 22, 2014Observed: 1281.4 ft at 10:00AM Sep 22, 2014Observed: 1281.4 ft at 11:00AM Sep 22, 2014Observed: 1281.5 ft at 12:00PM Sep 22, 2014Observed: 1281.5 ft at 1:00PM Sep 22, 2014Observed: 1281.4 ft at 2:00PM Sep 22, 2014Observed: 1281.4 ft at 3:00PM Sep 22, 2014Observed: 1281.5 ft at 4:00PM Sep 22, 2014Observed: 1281.5 ft at 5:00PM Sep 22, 2014Observed: 1281.5 ft at 6:00PM Sep 22, 2014Observed: 1281.5 ft at 7:00PM Sep 22, 2014Observed: 1281.5 ft at 8:00PM Sep 22, 2014Observed: 1281.5 ft at 9:00PM Sep 22, 2014Observed: 1281.5 ft at 10:00PM Sep 22, 2014Observed: 1281.6 ft at 11:00PM Sep 22, 2014Observed: 1281.7 ft at 12:00AM Sep 23, 2014Observed: 1281.8 ft at 1:00AM Sep 23, 2014Observed: 1281.7 ft at 2:00AM Sep 23, 2014Observed: 1281.7 ft at 3:00AM Sep 23, 2014Observed: 1281.7 ft at 4:00AM Sep 23, 2014Observed: 1281.8 ft at 5:00AM Sep 23, 2014Observed: 1281.8 ft at 6:00AM Sep 23, 2014Observed: 1281.7 ft at 7:00AM Sep 23, 2014Observed: 1281.7 ft at 8:00AM Sep 23, 2014Observed: 1281.8 ft at 9:00AM Sep 23, 2014Observed: 1281.7 ft at 10:00AM Sep 23, 2014Observed: 1281.8 ft at 11:00AM Sep 23, 2014Highest Observation: 1281.9 ft at 12:00PM Sep 23, 2014Observed: 1281.8 ft at 1:00PM Sep 23, 2014Observed: 1281.8 ft at 2:00PM Sep 23, 2014Observed: 1281.7 ft at 3:00PM Sep 23, 2014Observed: 1281.7 ft at 4:00PM Sep 23, 2014Observed: 1281.8 ft at 5:00PM Sep 23, 2014Observed: 1281.8 ft at 6:00PM Sep 23, 2014Forecast: 1282.05 ft 11:00PM Sep 23, 2014Forecast: 1282.12 ft 5:00AM Sep 24, 2014Forecast: 1282.19 ft 11:00AM Sep 24, 2014Forecast: 1282.25 ft 5:00PM Sep 24, 2014Forecast: 1282.32 ft 11:00PM Sep 24, 2014Forecast: 1282.38 ft 5:00AM Sep 25, 2014Forecast: 1282.45 ft 11:00AM Sep 25, 2014Forecast: 1282.55 ft 5:00PM Sep 25, 2014Forecast: 1282.61 ft 11:00PM Sep 25, 2014Forecast: 1282.68 ft 5:00AM Sep 26, 2014Forecast: 1282.74 ft 11:00AM Sep 26, 2014Forecast: 1282.81 ft 5:00PM Sep 26, 2014Forecast: 1282.87 ft 11:00PM Sep 26, 2014Forecast: 1282.91 ft 5:00AM Sep 27, 2014Forecast: 1282.97 ft 11:00AM Sep 27, 2014Forecast: 1283.04 ft 5:00PM Sep 27, 2014Forecast: 1283.1 ft 11:00PM Sep 27, 2014Forecast: 1283.17 ft 5:00AM Sep 28, 2014Forecast: 1283.24 ft 11:00AM Sep 28, 2014Forecast: 1283.27 ft 5:00PM Sep 28, 2014Highest Forecast: 1283.33 ft 11:00PM Sep 28, 2014Forecast: 1283.3 ft 5:00AM Sep 29, 2014Forecast: 1283.27 ft 11:00AM Sep 29, 2014Forecast: 1283.2 ft 5:00PM Sep 29, 2014Forecast: 1283.17 ft 11:00PM Sep 29, 2014Forecast: 1283.14 ft 5:00AM Sep 30, 2014Forecast: 1283.07 ft 11:00AM Sep 30, 2014Forecast: 1283.04 ft 5:00PM Sep 30, 2014Forecast: 1283.01 ft 11:00PM Sep 30, 2014Forecast: 1282.97 ft 5:00AM Oct 01, 2014Forecast: 1282.94 ft 11:00AM Oct 01, 2014Forecast: 1282.94 ft 5:00PM Oct 01, 2014Forecast: 1282.94 ft 11:00PM Oct 01, 2014Forecast: 1282.97 ft 5:00AM Oct 02, 2014Forecast: 1283.01 ft 11:00AM Oct 02, 2014Forecast: 1283.04 ft 5:00PM Oct 02, 2014Forecast: 1283.1 ft 11:00PM Oct 02, 2014Forecast: 1283.17 ft 5:00AM Oct 03, 2014USBR--Pacific Northwest RegionGCDW1(plotting HFIRX) Graph Created (7:16PM Sep 23, 2014)ObservedForecast (issued 9:51AM Sep 23)Latest observed value: 1281.8 ft at 6:00 PM PDT 23-Sep-2014.
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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)
Not Available

Historical Crests
(1) 1,290.36 ft on 08/06/1976
Show More Historical Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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.
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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
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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
National Weather Service
Spokane Weather Forecast Office
2601 N. Rambo Rd.
Spokane, WA 99224
(509) 244-0110
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Page last modified: 27-Aug-2014 7:09 PM
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