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Hydrograph River at a Glance Download
Columbia River at Rocky Reach Dam Forebay Elevation (ft)Observed: 705.44 ft at 12:00PM Apr 11, 2024Observed: 705.27 ft at 1:00PM Apr 11, 2024Observed: 705.27 ft at 2:00PM Apr 11, 2024Observed: 704.81 ft at 3:00PM Apr 11, 2024Observed: 704.46 ft at 4:00PM Apr 11, 2024Observed: 704.56 ft at 5:00PM Apr 11, 2024Observed: 704.49 ft at 6:00PM Apr 11, 2024Observed: 704.59 ft at 7:00PM Apr 11, 2024Observed: 704.4 ft at 8:00PM Apr 11, 2024Observed: 704.86 ft at 9:00PM Apr 11, 2024Observed: 704.96 ft at 10:00PM Apr 11, 2024Observed: 705.15 ft at 11:00PM Apr 11, 2024Observed: 705.37 ft at 11:59PM Apr 11, 2024Observed: 705.18 ft at 12:00AM Apr 12, 2024Observed: 705.08 ft at 1:00AM Apr 12, 2024Observed: 704.81 ft at 2:00AM Apr 12, 2024Observed: 704.65 ft at 3:00AM Apr 12, 2024Observed: 704.65 ft at 4:00AM Apr 12, 2024Observed: 704.82 ft at 5:00AM Apr 12, 2024Observed: 704.86 ft at 6:00AM Apr 12, 2024Observed: 705 ft at 7:00AM Apr 12, 2024Observed: 705.22 ft at 8:00AM Apr 12, 2024Observed: 705.06 ft at 9:00AM Apr 12, 2024Observed: 704.87 ft at 10:00AM Apr 12, 2024Observed: 705.3 ft at 11:00AM Apr 12, 2024Observed: 705.42 ft at 12:00PM Apr 12, 2024Observed: 705.53 ft at 1:00PM Apr 12, 2024Observed: 705.5 ft at 2:00PM Apr 12, 2024Observed: 705.84 ft at 3:00PM Apr 12, 2024Observed: 706 ft at 4:00PM Apr 12, 2024Observed: 706.09 ft at 5:00PM Apr 12, 2024Observed: 705.77 ft at 6:00PM Apr 12, 2024Observed: 705.75 ft at 7:00PM Apr 12, 2024Observed: 705.72 ft at 8:00PM Apr 12, 2024Observed: 705.68 ft at 9:00PM Apr 12, 2024Observed: 705.13 ft at 10:00PM Apr 12, 2024Observed: 705.41 ft at 11:00PM Apr 12, 2024Observed: 705.13 ft at 11:59PM Apr 12, 2024Observed: 705.13 ft at 12:00AM Apr 13, 2024Observed: 705.03 ft at 1:00AM Apr 13, 2024Observed: 704.96 ft at 2:00AM Apr 13, 2024Observed: 704.97 ft at 3:00AM Apr 13, 2024Observed: 704.7 ft at 4:00AM Apr 13, 2024Observed: 705.04 ft at 5:00AM Apr 13, 2024Observed: 704.95 ft at 6:00AM Apr 13, 2024Observed: 704.85 ft at 7:00AM Apr 13, 2024Observed: 704.82 ft at 8:00AM Apr 13, 2024Observed: 704.75 ft at 9:00AM Apr 13, 2024Observed: 705.2 ft at 10:00AM Apr 13, 2024Observed: 705.55 ft at 11:00AM Apr 13, 2024Observed: 705.36 ft at 12:00PM Apr 13, 2024Observed: 705.43 ft at 1:00PM Apr 13, 2024Observed: 705.21 ft at 2:00PM Apr 13, 2024Observed: 704.95 ft at 3:00PM Apr 13, 2024Observed: 704.64 ft at 4:00PM Apr 13, 2024Observed: 704.52 ft at 5:00PM Apr 13, 2024Observed: 704.48 ft at 6:00PM Apr 13, 2024Observed: 704.55 ft at 7:00PM Apr 13, 2024Observed: 704.25 ft at 8:00PM Apr 13, 2024Observed: 704.32 ft at 9:00PM Apr 13, 2024Observed: 704.47 ft at 10:00PM Apr 13, 2024Observed: 704.53 ft at 11:00PM Apr 13, 2024Observed: 704.22 ft at 11:59PM Apr 13, 2024Observed: 704.82 ft at 12:00AM Apr 14, 2024Observed: 704.06 ft at 1:00AM Apr 14, 2024Observed: 704.07 ft at 2:00AM Apr 14, 2024Observed: 704.25 ft at 3:00AM Apr 14, 2024Observed: 704.07 ft at 4:00AM Apr 14, 2024Observed: 703.73 ft at 5:00AM Apr 14, 2024Observed: 704.42 ft at 6:00AM Apr 14, 2024Observed: 704.43 ft at 7:00AM Apr 14, 2024Observed: 704.68 ft at 8:00AM Apr 14, 2024Observed: 704.85 ft at 9:00AM Apr 14, 2024Observed: 705.03 ft at 10:00AM Apr 14, 2024Observed: 705.07 ft at 11:00AM Apr 14, 2024Observed: 704.73 ft at 12:00PM Apr 14, 2024Observed: 704.66 ft at 1:00PM Apr 14, 2024Observed: 704.71 ft at 2:00PM Apr 14, 2024Observed: 704.53 ft at 3:00PM Apr 14, 2024Observed: 704.07 ft at 4:00PM Apr 14, 2024Observed: 704.15 ft at 5:00PM Apr 14, 2024Observed: 703.69 ft at 6:00PM Apr 14, 2024Observed: 703.94 ft at 7:00PM Apr 14, 2024Observed: 704.15 ft at 8:00PM Apr 14, 2024Observed: 704.25 ft at 9:00PM Apr 14, 2024Observed: 704.2 ft at 11:00PM Apr 14, 2024Observed: 703.98 ft at 11:59PM Apr 14, 2024Observed: 704.33 ft at 12:00AM Apr 15, 2024Observed: 704.05 ft at 1:00AM Apr 15, 2024Observed: 703.91 ft at 2:00AM Apr 15, 2024Observed: 704.05 ft at 3:00AM Apr 15, 2024Observed: 703.87 ft at 4:00AM Apr 15, 2024Observed: 703.87 ft at 5:00AM Apr 15, 2024Observed: 704.32 ft at 7:00AM Apr 15, 2024Observed: 705.01 ft at 8:00AM Apr 15, 2024Observed: 705.4 ft at 9:00AM Apr 15, 2024Observed: 705.32 ft at 10:00AM Apr 15, 2024Observed: 705.2 ft at 11:00AM Apr 15, 2024Observed: 705.08 ft at 12:00PM Apr 15, 2024Observed: 705.08 ft at 1:00PM Apr 15, 2024Observed: 705.06 ft at 2:00PM Apr 15, 2024Observed: 704.96 ft at 3:00PM Apr 15, 2024Observed: 705.1 ft at 4:00PM Apr 15, 2024Observed: 704.96 ft at 5:00PM Apr 15, 2024Observed: 704.95 ft at 6:00PM Apr 15, 2024Observed: 704.37 ft at 7:00PM Apr 15, 2024Observed: 704.17 ft at 8:00PM Apr 15, 2024Observed: 704.14 ft at 9:00PM Apr 15, 2024Observed: 704.6 ft at 10:00PM Apr 15, 2024Observed: 704.93 ft at 11:00PM Apr 15, 2024Observed: 704.88 ft at 11:59PM Apr 15, 2024Observed: 704.64 ft at 12:00AM Apr 16, 2024Observed: 704.82 ft at 1:00AM Apr 16, 2024Observed: 704.75 ft at 2:00AM Apr 16, 2024Observed: 705.01 ft at 3:00AM Apr 16, 2024Observed: 705.66 ft at 5:00AM Apr 16, 2024Observed: 704.95 ft at 6:00AM Apr 16, 2024Observed: 705.13 ft at 7:00AM Apr 16, 2024Observed: 705.13 ft at 8:00AM Apr 16, 2024Observed: 705.51 ft at 9:00AM Apr 16, 2024Observed: 705.63 ft at 10:00AM Apr 16, 2024Observed: 705.55 ft at 11:00AM Apr 16, 2024Observed: 706.33 ft at 12:00PM Apr 16, 2024Highest Observation: 706.81 ft at 1:00PM Apr 16, 2024Observed: 706.8 ft at 2:00PM Apr 16, 2024Observed: 706.47 ft at 3:00PM Apr 16, 2024Observed: 706.56 ft at 4:00PM Apr 16, 2024Observed: 706.62 ft at 5:00PM Apr 16, 2024Observed: 705.91 ft at 6:00PM Apr 16, 2024Observed: 705.32 ft at 7:00PM Apr 16, 2024Observed: 705.19 ft at 8:00PM Apr 16, 2024Observed: 705.31 ft at 9:00PM Apr 16, 2024Observed: 705.23 ft at 10:00PM Apr 16, 2024Observed: 705.32 ft at 11:00PM Apr 16, 2024Observed: 705.63 ft at 11:59PM Apr 16, 2024Observed: 705.63 ft at 12:00AM Apr 17, 2024Observed: 705.85 ft at 1:00AM Apr 17, 2024Observed: 705.28 ft at 2:00AM Apr 17, 2024Observed: 705.13 ft at 3:00AM Apr 17, 2024Observed: 705.16 ft at 4:00AM Apr 17, 2024Observed: 705.52 ft at 5:00AM Apr 17, 2024Observed: 705.12 ft at 6:00AM Apr 17, 2024Observed: 704.96 ft at 7:00AM Apr 17, 2024Observed: 705.08 ft at 8:00AM Apr 17, 2024Observed: 705.07 ft at 9:00AM Apr 17, 2024Observed: 705.31 ft at 10:00AM Apr 17, 2024Observed: 705.29 ft at 11:00AM Apr 17, 2024Observed: 705.43 ft at 12:00PM Apr 17, 2024Observed: 705.26 ft at 1:00PM Apr 17, 2024Observed: 705.32 ft at 2:00PM Apr 17, 2024Observed: 705.32 ft at 3:00PM Apr 17, 2024Observed: 705.16 ft at 4:00PM Apr 17, 2024Observed: 704.92 ft at 5:00PM Apr 17, 2024Observed: 705.07 ft at 6:00PM Apr 17, 2024Observed: 704.78 ft at 7:00PM Apr 17, 2024Observed: 704.39 ft at 8:00PM Apr 17, 2024Observed: 704.58 ft at 9:00PM Apr 17, 2024Observed: 704.72 ft at 10:00PM Apr 17, 2024Observed: 704.72 ft at 11:00PM Apr 17, 2024Observed: 704.92 ft at 11:59PM Apr 17, 2024Observed: 704.92 ft at 12:00AM Apr 18, 2024Observed: 704.99 ft at 1:00AM Apr 18, 2024Observed: 705 ft at 2:00AM Apr 18, 2024Observed: 705.32 ft at 3:00AM Apr 18, 2024Observed: 705.6 ft at 4:00AM Apr 18, 2024Observed: 705.74 ft at 5:00AM Apr 18, 2024Observed: 706.05 ft at 6:00AM Apr 18, 2024Observed: 705.91 ft at 7:00AM Apr 18, 2024Observed: 705.98 ft at 8:00AM Apr 18, 2024Observed: 705.66 ft at 9:00AM Apr 18, 2024Observed: 705.56 ft at 10:00AM Apr 18, 2024Highest Forecast: 705.74 ft 5:00PM Apr 18, 2024Highest Forecast: 705.74 ft 11:00PM Apr 18, 2024Highest Forecast: 705.74 ft 5:00AM Apr 19, 2024Highest Forecast: 705.74 ft 11:00AM Apr 19, 2024Highest Forecast: 705.74 ft 5:00PM Apr 19, 2024Highest Forecast: 705.74 ft 11:00PM Apr 19, 2024Highest Forecast: 705.74 ft 5:00AM Apr 20, 2024Highest Forecast: 705.74 ft 11:00AM Apr 20, 2024Highest Forecast: 705.74 ft 5:00PM Apr 20, 2024Highest Forecast: 705.74 ft 11:00PM Apr 20, 2024Highest Forecast: 705.74 ft 5:00AM Apr 21, 2024Highest Forecast: 705.74 ft 11:00AM Apr 21, 2024Highest Forecast: 705.74 ft 5:00PM Apr 21, 2024Highest Forecast: 705.74 ft 11:00PM Apr 21, 2024Highest Forecast: 705.74 ft 5:00AM Apr 22, 2024Highest Forecast: 705.74 ft 11:00AM Apr 22, 2024Highest Forecast: 705.74 ft 5:00PM Apr 22, 2024Highest Forecast: 705.74 ft 11:00PM Apr 22, 2024Highest Forecast: 705.74 ft 5:00AM Apr 23, 2024Highest Forecast: 705.74 ft 11:00AM Apr 23, 2024Highest Forecast: 705.74 ft 5:00PM Apr 23, 2024Highest Forecast: 705.74 ft 11:00PM Apr 23, 2024Highest Forecast: 705.74 ft 5:00AM Apr 24, 2024Highest Forecast: 705.74 ft 11:00AM Apr 24, 2024Highest Forecast: 705.74 ft 5:00PM Apr 24, 2024Highest Forecast: 705.74 ft 11:00PM Apr 24, 2024Highest Forecast: 705.74 ft 5:00AM Apr 25, 2024Highest Forecast: 705.74 ft 11:00AM Apr 25, 2024USGS--Water Resources of the United StatesRRHW1(plotting HFIRX) Graph Created (11:16AM Apr 18, 2024)ObservedForecast (issued 10:47AM Apr 18)Latest observed value: 705.56 ft at 10:00 AM PDT 18-Apr-2024.
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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.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Columbia River at Rocky Reach Dam are issued routinely year-round.

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Upstream Gauge - at Wells Dam Upstream Gauge Downstream Gauge Downstream Gauge - at Rock Island Dam
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 0
Low Stage (in feet): 700

Historic Crests
(1) 706.85 ft on 03/25/2017
(2) 706.84 ft on 11/09/2019
(3) 706.82 ft on 04/29/2018
(4) 706.80 ft on 05/30/2020
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 706.49 ft on 06/20/2023 (P)
(2) 706.67 ft on 06/06/2022
(3) 706.60 ft on 06/04/2021
(4) 706.80 ft on 05/30/2020
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 704.70 ft on 10/31/2022
Show More Low Water Records
Zoom Level:13
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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: 47.530278° N, Longitude: 120.296944° 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  
Additional Information Collapse
courtesy of US Army Corp of Engineers
Resources Collapse
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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Page last modified: 2-Nov-2020 7:27 PM
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