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Hydrograph River at a Glance Download
Lake Chelan at Chelan Forebay Elevation (ft)Observed: 1089.15 ft at 11:59PM Mar 21, 2024Observed: 1089.11 ft at 12:00AM Mar 22, 2024Observed: 1089.15 ft at 7:00AM Mar 22, 2024Observed: 1089.25 ft at 11:59PM Mar 22, 2024Observed: 1089.19 ft at 12:00AM Mar 23, 2024Observed: 1089.26 ft at 7:00AM Mar 23, 2024Observed: 1089.37 ft at 11:59PM Mar 23, 2024Observed: 1089.31 ft at 12:00AM Mar 24, 2024Observed: 1089.41 ft at 7:00AM Mar 24, 2024Observed: 1089.49 ft at 11:59PM Mar 24, 2024Observed: 1089.44 ft at 12:00AM Mar 25, 2024Observed: 1089.5 ft at 7:00AM Mar 25, 2024Observed: 1089.53 ft at 11:59PM Mar 25, 2024Observed: 1089.5 ft at 12:00AM Mar 26, 2024Observed: 1089.53 ft at 7:00AM Mar 26, 2024Highest Observation: 1089.62 ft at 11:59PM Mar 26, 2024Observed: 1089.58 ft at 12:00AM Mar 27, 2024Highest Observation: 1089.62 ft at 7:00AM Mar 27, 2024Highest Observation: 1089.62 ft at 11:59PM Mar 27, 2024Observed: 1089.61 ft at 12:00AM Mar 28, 2024Observed: 1089.6 ft at 7:00AM Mar 28, 2024Forecast: 1089.63 ft 5:00PM Mar 28, 2024Forecast: 1089.65 ft 11:00PM Mar 28, 2024Forecast: 1089.66 ft 5:00AM Mar 29, 2024Forecast: 1089.68 ft 11:00AM Mar 29, 2024Forecast: 1089.69 ft 5:00PM Mar 29, 2024Forecast: 1089.71 ft 11:00PM Mar 29, 2024Forecast: 1089.72 ft 5:00AM Mar 30, 2024Forecast: 1089.74 ft 11:00AM Mar 30, 2024Forecast: 1089.75 ft 5:00PM Mar 30, 2024Forecast: 1089.77 ft 11:00PM Mar 30, 2024Forecast: 1089.78 ft 5:00AM Mar 31, 2024Forecast: 1089.79 ft 11:00AM Mar 31, 2024Forecast: 1089.81 ft 5:00PM Mar 31, 2024Forecast: 1089.82 ft 11:00PM Mar 31, 2024Forecast: 1089.83 ft 5:00AM Apr 01, 2024Forecast: 1089.84 ft 11:00AM Apr 01, 2024Forecast: 1089.85 ft 5:00PM Apr 01, 2024Forecast: 1089.87 ft 11:00PM Apr 01, 2024Forecast: 1089.88 ft 5:00AM Apr 02, 2024Forecast: 1089.9 ft 11:00AM Apr 02, 2024Forecast: 1089.92 ft 5:00PM Apr 02, 2024Forecast: 1089.94 ft 11:00PM Apr 02, 2024Forecast: 1089.96 ft 5:00AM Apr 03, 2024Forecast: 1090 ft 11:00AM Apr 03, 2024Forecast: 1090.04 ft 5:00PM Apr 03, 2024Forecast: 1090.09 ft 11:00PM Apr 03, 2024Forecast: 1090.13 ft 5:00AM Apr 04, 2024Highest Forecast: 1090.16 ft 11:00AM Apr 04, 2024USGS--Water Resources of the United StatesCHDW1(plotting HFIRX) Graph Created (1:31PM Mar 28, 2024)ObservedForecast (issued 10:44AM Mar 28)Latest observed value: 1089.6 ft at 7:00 AM PDT 28-Mar-2024.
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Tabular Data (UTC)
Tabular Data (PDT)
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Datum: Not Available
Metadata
NOTE: Gauge reading affected by reservoir operations.

NOTE: Forecasts for the Lake Chelan at Chelan are issued routinely year-round.

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Upstream Gauge - at Purple Point near Stehekin Upstream Gauge
Flood Categories (in feet)
Not Available

Historic Crests
(1) 1,100.16 ft on 06/30/1981
(2) 1,099.82 ft on 07/02/2021
(3) 1,099.81 ft on 07/09/2019
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(P): Preliminary values subject to further review.

Recent Crests
(1) 1,099.32 ft on 06/17/2023 (P)
(2) 1,099.53 ft on 08/03/2022
(3) 1,099.82 ft on 07/02/2021
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1,079.68 ft on 04/03/1970
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Zoom Level:11
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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.
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If you notice any errors in the below information, please contact our Webmaster
6000 Flows in excess of 6000cfs may damage the stream restoration work in the Chelan River Gorge downstream of the Chelan Dam.
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Latitude: 47.836389° N, Longitude: 120.060278° 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  

Current/Historical Observations:

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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
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Spokane Weather Forecast Office
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Page last modified: 2-Nov-2020 7:27 PM
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