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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Hydrograph River at a Glance Download
Kenai River at Kenai Keys Stage (ft)Highest Observation: 8.78 ft at 9:00AM Sep 23, 2023Observed: 8.56 ft at 8:00AM Sep 24, 2023Observed: 8.38 ft at 8:00AM Sep 25, 2023Observed: 8.24 ft at 9:00AM Sep 26, 2023Observed: 8.04 ft at 10:00AM Sep 27, 2023Observed: 7.97 ft at 10:00AM Sep 28, 2023Observed: 7.35 ft at 8:00AM Sep 29, 2023Highest Forecast: 7.21 ft 4:00AM Sep 30, 2023Forecast: 7.19 ft 10:00AM Sep 30, 2023Forecast: 7.18 ft 4:00PM Sep 30, 2023Forecast: 7.12 ft 10:00PM Sep 30, 2023Forecast: 7.04 ft 4:00AM Oct 01, 2023Forecast: 6.97 ft 10:00AM Oct 01, 2023Forecast: 6.93 ft 4:00PM Oct 01, 2023Forecast: 6.91 ft 10:00PM Oct 01, 2023Forecast: 6.89 ft 4:00AM Oct 02, 2023Forecast: 6.87 ft 10:00AM Oct 02, 2023Forecast: 6.86 ft 4:00PM Oct 02, 2023Forecast: 6.86 ft 10:00PM Oct 02, 2023KEYA2(plotting HGIRV) Graph Created (3:46AM Sep 30, 2023)ObservedForecast (issued 2:17PM Sep 29)Latest observed value: 7.35 ft at 8:00 AM AKDT 29-Sep-2023. Flood Stage is 11 ft
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Tabular Data (UTC)
Tabular Data (AKDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Stage measured manually and reported by river observer. No automated gauge on-site.

NOTE: Forecasts for the Kenai River at Kenai Keys are issued routinely during the warm season, and as needed at other times of the year.

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Upstream Gauge - below Skilak Lake Upstream Gauge Downstream Gauge Downstream Gauge - below Killey River
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 12.5
Flood Stage: 11
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
(1) 15.52 ft on 09/24/1995
(2) 14.91 ft on 09/09/1977
(3) 13.65 ft on 09/03/1989
(4) 13.20 ft on 09/26/2012
(5) 12.94 ft on 08/17/1979
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(P): Preliminary values subject to further review.

Recent Crests
(1) 9.61 ft on 07/23/2021
(2) 10.75 ft on 10/06/2020
(3) 11.27 ft on 07/11/2019
(4) 10.74 ft on 06/22/2018
(5) 10.42 ft on 09/26/2017 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:11
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Gauge LocationGauge Map Marker
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
13.5 Water starts to flow into garages and cabins in the Kenai Keys subdivision; and likely flooding downstream.
13.2 In 2012, water was 2 feet deep over Kenai Keys Road, near the entrance to the subdivison.
12 Water starts to flow over some of the roads in the Kenai Keys subdivision.
10.75 In October of 2020, water was in the lowest lying garages of the Kenai Keys subdivision.
(1) Downstream
(2) Upstream
(3) Flooding at 11.63ft
(4) Flooding at 11.63ft
(5) Flooding at 11.63ft
About This Location Collapse

Latitude: 60.481389° N, Longitude: 150.626111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 11 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 184 ft 196 ft  
Additional Information Collapse
Long-term Hydrograph
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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
Anchorage Weather Forecast Office
6930 Sand Lake Road
Anchorage, AK 99502
(907) 266-5160
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