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Hydrograph River at a Glance Download
Columbia River at Rock Island Dam Forebay Elevation (ft)Observed: 612.82 ft at 6:00AM Oct 11, 2017Observed: 612.89 ft at 7:00AM Oct 11, 2017Observed: 612.88 ft at 8:00AM Oct 11, 2017Observed: 612.82 ft at 9:00AM Oct 11, 2017Observed: 612.85 ft at 10:00AM Oct 11, 2017Observed: 612.84 ft at 11:00AM Oct 11, 2017Observed: 612.86 ft at 12:00PM Oct 11, 2017Observed: 612.81 ft at 1:00PM Oct 11, 2017Observed: 612.88 ft at 2:00PM Oct 11, 2017Observed: 612.78 ft at 3:00PM Oct 11, 2017Observed: 612.86 ft at 4:00PM Oct 11, 2017Observed: 612.91 ft at 5:00PM Oct 11, 2017Observed: 612.88 ft at 6:00PM Oct 11, 2017Observed: 612.82 ft at 7:00PM Oct 11, 2017Observed: 612.87 ft at 8:00PM Oct 11, 2017Observed: 612.82 ft at 9:00PM Oct 11, 2017Observed: 612.81 ft at 10:00PM Oct 11, 2017Observed: 612.68 ft at 11:00PM Oct 11, 2017Observed: 612.81 ft at 12:00AM Oct 12, 2017Observed: 612.83 ft at 1:00AM Oct 12, 2017Observed: 612.9 ft at 2:00AM Oct 12, 2017Observed: 612.87 ft at 3:00AM Oct 12, 2017Observed: 612.74 ft at 4:00AM Oct 12, 2017Observed: 612.49 ft at 5:00AM Oct 12, 2017Highest Observation: 613 ft at 6:00AM Oct 12, 2017Observed: 612.95 ft at 7:00AM Oct 12, 2017Observed: 612.85 ft at 8:00AM Oct 12, 2017Observed: 612.82 ft at 9:00AM Oct 12, 2017Observed: 612.69 ft at 10:00AM Oct 12, 2017Observed: 612.84 ft at 11:00AM Oct 12, 2017Observed: 612.85 ft at 12:00PM Oct 12, 2017Observed: 612.83 ft at 1:00PM Oct 12, 2017Observed: 612.8 ft at 2:00PM Oct 12, 2017Observed: 612.84 ft at 3:00PM Oct 12, 2017Observed: 612.89 ft at 4:00PM Oct 12, 2017Observed: 612.92 ft at 5:00PM Oct 12, 2017Observed: 612.89 ft at 6:00PM Oct 12, 2017Observed: 612.88 ft at 7:00PM Oct 12, 2017Observed: 612.84 ft at 8:00PM Oct 12, 2017Observed: 612.81 ft at 9:00PM Oct 12, 2017Observed: 612.85 ft at 10:00PM Oct 12, 2017Observed: 612.72 ft at 11:00PM Oct 12, 2017Observed: 612.83 ft at 12:00AM Oct 13, 2017Observed: 612.78 ft at 1:00AM Oct 13, 2017Observed: 612.91 ft at 2:00AM Oct 13, 2017Observed: 612.86 ft at 3:00AM Oct 13, 2017Observed: 612.81 ft at 4:00AM Oct 13, 2017Observed: 612.9 ft at 5:00AM Oct 13, 2017Observed: 612.84 ft at 6:00AM Oct 13, 2017Observed: 612.98 ft at 7:00AM Oct 13, 2017Observed: 612.79 ft at 8:00AM Oct 13, 2017Observed: 612.84 ft at 9:00AM Oct 13, 2017Observed: 612.81 ft at 10:00AM Oct 13, 2017Observed: 612.9 ft at 11:00AM Oct 13, 2017Observed: 612.81 ft at 12:00PM Oct 13, 2017Observed: 612.81 ft at 1:00PM Oct 13, 2017Highest Observation: 613 ft at 2:00PM Oct 13, 2017Observed: 612.91 ft at 3:00PM Oct 13, 2017Observed: 612.85 ft at 4:00PM Oct 13, 2017Observed: 612.73 ft at 5:00PM Oct 13, 2017Highest Observation: 613 ft at 6:00PM Oct 13, 2017Observed: 612.84 ft at 7:00PM Oct 13, 2017Observed: 612.82 ft at 8:00PM Oct 13, 2017Observed: 612.88 ft at 9:00PM Oct 13, 2017Observed: 612.77 ft at 11:00PM Oct 13, 2017Observed: 612.86 ft at 12:00AM Oct 14, 2017Observed: 612.83 ft at 1:00AM Oct 14, 2017Observed: 612.83 ft at 2:00AM Oct 14, 2017Observed: 612.84 ft at 3:00AM Oct 14, 2017Observed: 612.86 ft at 4:00AM Oct 14, 2017Observed: 612.82 ft at 5:00AM Oct 14, 2017Observed: 612.89 ft at 6:00AM Oct 14, 2017Observed: 612.95 ft at 7:00AM Oct 14, 2017Observed: 612.78 ft at 8:00AM Oct 14, 2017Observed: 612.9 ft at 9:00AM Oct 14, 2017Observed: 612.83 ft at 10:00AM Oct 14, 2017Observed: 612.85 ft at 11:00AM Oct 14, 2017Observed: 612.76 ft at 12:00PM Oct 14, 2017Observed: 612.85 ft at 1:00PM Oct 14, 2017Observed: 612.83 ft at 2:00PM Oct 14, 2017Observed: 612.86 ft at 3:00PM Oct 14, 2017Observed: 612.88 ft at 4:00PM Oct 14, 2017Observed: 612.85 ft at 5:00PM Oct 14, 2017Observed: 612.87 ft at 6:00PM Oct 14, 2017Observed: 612.83 ft at 7:00PM Oct 14, 2017Observed: 612.85 ft at 8:00PM Oct 14, 2017Observed: 612.79 ft at 9:00PM Oct 14, 2017Observed: 612.77 ft at 10:00PM Oct 14, 2017Observed: 612.73 ft at 11:00PM Oct 14, 2017Observed: 612.84 ft at 12:00AM Oct 15, 2017Observed: 612.8 ft at 1:00AM Oct 15, 2017Observed: 612.68 ft at 2:00AM Oct 15, 2017Observed: 612.76 ft at 3:00AM Oct 15, 2017Observed: 612.83 ft at 4:00AM Oct 15, 2017Observed: 612.79 ft at 5:00AM Oct 15, 2017Observed: 612.94 ft at 6:00AM Oct 15, 2017Observed: 612.73 ft at 7:00AM Oct 15, 2017Observed: 612.82 ft at 8:00AM Oct 15, 2017Observed: 612.71 ft at 9:00AM Oct 15, 2017Observed: 612.85 ft at 10:00AM Oct 15, 2017Observed: 612.8 ft at 11:00AM Oct 15, 2017Observed: 612.8 ft at 12:00PM Oct 15, 2017Observed: 612.91 ft at 1:00PM Oct 15, 2017Observed: 612.6 ft at 2:00PM Oct 15, 2017Observed: 612.76 ft at 3:00PM Oct 15, 2017Observed: 612.82 ft at 4:00PM Oct 15, 2017Observed: 612.82 ft at 5:00PM Oct 15, 2017Observed: 612.78 ft at 6:00PM Oct 15, 2017Observed: 612.79 ft at 7:00PM Oct 15, 2017Observed: 612.93 ft at 8:00PM Oct 15, 2017Observed: 612.88 ft at 9:00PM Oct 15, 2017Observed: 612.89 ft at 10:00PM Oct 15, 2017Observed: 612.83 ft at 11:00PM Oct 15, 2017Observed: 612.81 ft at 12:00AM Oct 16, 2017Observed: 612.8 ft at 1:00AM Oct 16, 2017Observed: 612.92 ft at 2:00AM Oct 16, 2017Observed: 612.98 ft at 3:00AM Oct 16, 2017Observed: 612.85 ft at 4:00AM Oct 16, 2017Observed: 612.9 ft at 5:00AM Oct 16, 2017Highest Observation: 613 ft at 6:00AM Oct 16, 2017Observed: 612.96 ft at 7:00AM Oct 16, 2017Observed: 612.86 ft at 8:00AM Oct 16, 2017Observed: 612.85 ft at 9:00AM Oct 16, 2017Observed: 612.96 ft at 10:00AM Oct 16, 2017Observed: 612.83 ft at 11:00AM Oct 16, 2017Observed: 612.87 ft at 12:00PM Oct 16, 2017Observed: 612.87 ft at 1:00PM Oct 16, 2017Observed: 612.84 ft at 2:00PM Oct 16, 2017Observed: 612.8 ft at 4:00PM Oct 16, 2017Observed: 612.89 ft at 5:00PM Oct 16, 2017Observed: 612.82 ft at 6:00PM Oct 16, 2017Observed: 612.81 ft at 7:00PM Oct 16, 2017Observed: 612.97 ft at 8:00PM Oct 16, 2017Observed: 612.85 ft at 9:00PM Oct 16, 2017Observed: 612.77 ft at 10:00PM Oct 16, 2017Observed: 612.82 ft at 11:00PM Oct 16, 2017Observed: 612.83 ft at 12:00AM Oct 17, 2017Highest Observation: 613 ft at 1:00AM Oct 17, 2017Observed: 612.88 ft at 2:00AM Oct 17, 2017Observed: 612.83 ft at 3:00AM Oct 17, 2017Observed: 612.75 ft at 4:00AM Oct 17, 2017Observed: 612.81 ft at 5:00AM Oct 17, 2017Observed: 612.89 ft at 6:00AM Oct 17, 2017Observed: 612.9 ft at 7:00AM Oct 17, 2017Observed: 612.78 ft at 8:00AM Oct 17, 2017Observed: 612.84 ft at 9:00AM Oct 17, 2017Observed: 612.96 ft at 10:00AM Oct 17, 2017Observed: 612.68 ft at 11:00AM Oct 17, 2017Observed: 612.92 ft at 12:00PM Oct 17, 2017Observed: 612.88 ft at 1:00PM Oct 17, 2017Observed: 612.95 ft at 2:00PM Oct 17, 2017Observed: 612.73 ft at 3:00PM Oct 17, 2017Observed: 612.93 ft at 4:00PM Oct 17, 2017Observed: 612.91 ft at 5:00PM Oct 17, 2017Observed: 612.65 ft at 6:00PM Oct 17, 2017Observed: 612.94 ft at 7:00PM Oct 17, 2017Observed: 612.85 ft at 8:00PM Oct 17, 2017Observed: 612.8 ft at 9:00PM Oct 17, 2017Observed: 612.83 ft at 10:00PM Oct 17, 2017Observed: 612.81 ft at 11:00PM Oct 17, 2017Observed: 612.85 ft at 12:00AM Oct 18, 2017Observed: 612.69 ft at 1:00AM Oct 18, 2017Observed: 612.43 ft at 2:00AM Oct 18, 2017Observed: 612.95 ft at 3:00AM Oct 18, 2017Observed: 612.88 ft at 4:00AM Oct 18, 2017Observed: 612.83 ft at 5:00AM Oct 18, 2017Highest Forecast: 612.81 ft 11:00AM Oct 18, 2017Highest Forecast: 612.81 ft 5:00PM Oct 18, 2017Highest Forecast: 612.81 ft 11:00PM Oct 18, 2017Highest Forecast: 612.81 ft 5:00AM Oct 19, 2017Highest Forecast: 612.81 ft 11:00AM Oct 19, 2017Highest Forecast: 612.81 ft 5:00PM Oct 19, 2017Highest Forecast: 612.81 ft 11:00PM Oct 19, 2017Highest Forecast: 612.81 ft 5:00AM Oct 20, 2017Highest Forecast: 612.81 ft 11:00AM Oct 20, 2017Highest Forecast: 612.81 ft 5:00PM Oct 20, 2017Highest Forecast: 612.81 ft 11:00PM Oct 20, 2017Highest Forecast: 612.81 ft 5:00AM Oct 21, 2017Highest Forecast: 612.81 ft 11:00AM Oct 21, 2017Highest Forecast: 612.81 ft 5:00PM Oct 21, 2017Highest Forecast: 612.81 ft 11:00PM Oct 21, 2017Highest Forecast: 612.81 ft 5:00AM Oct 22, 2017Highest Forecast: 612.81 ft 11:00AM Oct 22, 2017Highest Forecast: 612.81 ft 5:00PM Oct 22, 2017Highest Forecast: 612.81 ft 11:00PM Oct 22, 2017Highest Forecast: 612.81 ft 5:00AM Oct 23, 2017Highest Forecast: 612.81 ft 11:00AM Oct 23, 2017Highest Forecast: 612.81 ft 5:00PM Oct 23, 2017Highest Forecast: 612.81 ft 11:00PM Oct 23, 2017Highest Forecast: 612.81 ft 5:00AM Oct 24, 2017Highest Forecast: 612.81 ft 11:00AM Oct 24, 2017Highest Forecast: 612.81 ft 5:00PM Oct 24, 2017Highest Forecast: 612.81 ft 11:00PM Oct 24, 2017Highest Forecast: 612.81 ft 5:00AM Oct 25, 2017RISW1(plotting HFIRX) Graph Created (5:46AM Oct 18, 2017)ObservedForecast (issued 11:24AM Oct 17)Latest observed value: 612.83 ft at 5:00 AM PDT 18-Oct-2017.
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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 at Rock Island Dam are issued routinely year-round.

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Upstream Gauge - at Rocky Reach Dam Upstream Gauge Downstream Gauge Downstream Gauge - at Wanapum Dam
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 0
Low Stage (in feet): 0

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:13
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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.
About This Location Collapse

Latitude: 47.332500° N, Longitude: 120.080000° 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 NULL NULL  
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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.
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Spokane Weather Forecast Office
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Spokane, WA 99224
(509) 244-0110
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Page last modified: 21-Dec-2016 5:18 PM
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