Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 

Web Portal Changes:

Please visit https://www.weather.gov/owp/operations for more information.



Hydrograph River at a Glance Download
Issaquah Creek near Issaquah River Discharge (cfs)Stage (ft)Observed: 80.9 cfs at 10:15AM Apr 13, 2024Highest Observation: 84.5 cfs at 10:30AM Apr 13, 2024Observed: 80.9 cfs at 10:45AM Apr 13, 2024Observed: 82.7 cfs at 11:00AM Apr 13, 2024Observed: 82.7 cfs at 11:15AM Apr 13, 2024Observed: 82.7 cfs at 11:30AM Apr 13, 2024Observed: 82.7 cfs at 11:45AM Apr 13, 2024Observed: 80.9 cfs at 12:00PM Apr 13, 2024Observed: 82.7 cfs at 12:15PM Apr 13, 2024Observed: 80.9 cfs at 12:30PM Apr 13, 2024Observed: 80.9 cfs at 12:45PM Apr 13, 2024Observed: 80.9 cfs at 1:00PM Apr 13, 2024Observed: 79.2 cfs at 1:15PM Apr 13, 2024Observed: 80.9 cfs at 1:30PM Apr 13, 2024Observed: 79.2 cfs at 1:45PM Apr 13, 2024Observed: 79.2 cfs at 2:00PM Apr 13, 2024Observed: 79.2 cfs at 2:15PM Apr 13, 2024Observed: 79.2 cfs at 2:30PM Apr 13, 2024Observed: 79.2 cfs at 2:45PM Apr 13, 2024Observed: 77.5 cfs at 3:00PM Apr 13, 2024Observed: 79.2 cfs at 3:15PM Apr 13, 2024Observed: 79.2 cfs at 3:30PM Apr 13, 2024Observed: 79.2 cfs at 3:45PM Apr 13, 2024Observed: 77.5 cfs at 4:00PM Apr 13, 2024Observed: 77.5 cfs at 4:15PM Apr 13, 2024Observed: 79.2 cfs at 4:30PM Apr 13, 2024Observed: 79.2 cfs at 4:45PM Apr 13, 2024Observed: 79.2 cfs at 5:00PM Apr 13, 2024Observed: 77.5 cfs at 5:15PM Apr 13, 2024Observed: 77.5 cfs at 5:30PM Apr 13, 2024Observed: 77.5 cfs at 5:45PM Apr 13, 2024Observed: 79.2 cfs at 6:00PM Apr 13, 2024Observed: 77.5 cfs at 6:15PM Apr 13, 2024Observed: 77.5 cfs at 6:30PM Apr 13, 2024Observed: 75.7 cfs at 6:45PM Apr 13, 2024Observed: 77.5 cfs at 7:00PM Apr 13, 2024Observed: 77.5 cfs at 7:15PM Apr 13, 2024Observed: 77.5 cfs at 7:30PM Apr 13, 2024Observed: 77.5 cfs at 7:45PM Apr 13, 2024Observed: 77.5 cfs at 8:00PM Apr 13, 2024Observed: 77.5 cfs at 8:15PM Apr 13, 2024Observed: 77.5 cfs at 8:30PM Apr 13, 2024Observed: 77.5 cfs at 8:45PM Apr 13, 2024Observed: 77.5 cfs at 9:00PM Apr 13, 2024Observed: 79.2 cfs at 9:15PM Apr 13, 2024Observed: 77.5 cfs at 9:30PM Apr 13, 2024Observed: 79.2 cfs at 9:45PM Apr 13, 2024Observed: 77.5 cfs at 10:00PM Apr 13, 2024Observed: 77.5 cfs at 10:15PM Apr 13, 2024Observed: 79.2 cfs at 10:30PM Apr 13, 2024Observed: 79.2 cfs at 10:45PM Apr 13, 2024Observed: 79.2 cfs at 11:00PM Apr 13, 2024Observed: 77.5 cfs at 11:15PM Apr 13, 2024Observed: 79.2 cfs at 11:30PM Apr 13, 2024Observed: 77.5 cfs at 11:45PM Apr 13, 2024Observed: 77.5 cfs at 12:00AM Apr 14, 2024Observed: 77.5 cfs at 12:15AM Apr 14, 2024Observed: 79.2 cfs at 12:30AM Apr 14, 2024Observed: 77.5 cfs at 12:45AM Apr 14, 2024Observed: 77.5 cfs at 1:00AM Apr 14, 2024Observed: 77.5 cfs at 1:15AM Apr 14, 2024Observed: 77.5 cfs at 1:30AM Apr 14, 2024Observed: 77.5 cfs at 1:45AM Apr 14, 2024Observed: 77.5 cfs at 2:00AM Apr 14, 2024Observed: 77.5 cfs at 2:15AM Apr 14, 2024Observed: 77.5 cfs at 2:30AM Apr 14, 2024Observed: 77.5 cfs at 2:45AM Apr 14, 2024Observed: 79.2 cfs at 3:00AM Apr 14, 2024Observed: 77.5 cfs at 3:15AM Apr 14, 2024Observed: 77.5 cfs at 3:30AM Apr 14, 2024Observed: 77.5 cfs at 3:45AM Apr 14, 2024Observed: 77.5 cfs at 4:00AM Apr 14, 2024Observed: 77.5 cfs at 4:15AM Apr 14, 2024Observed: 79.2 cfs at 5:30AM Apr 14, 2024Observed: 77.5 cfs at 5:45AM Apr 14, 2024Observed: 77.5 cfs at 6:00AM Apr 14, 2024Observed: 77.5 cfs at 6:15AM Apr 14, 2024Observed: 77.5 cfs at 6:30AM Apr 14, 2024Observed: 75.7 cfs at 6:45AM Apr 14, 2024Observed: 77.5 cfs at 7:00AM Apr 14, 2024Observed: 77.5 cfs at 7:15AM Apr 14, 2024Observed: 77.5 cfs at 7:30AM Apr 14, 2024Observed: 77.5 cfs at 7:45AM Apr 14, 2024Observed: 77.5 cfs at 8:00AM Apr 14, 2024Observed: 77.5 cfs at 8:15AM Apr 14, 2024Observed: 77.5 cfs at 8:30AM Apr 14, 2024Observed: 75.7 cfs at 8:45AM Apr 14, 2024Observed: 77.5 cfs at 9:00AM Apr 14, 2024Observed: 75.7 cfs at 9:15AM Apr 14, 2024Observed: 75.7 cfs at 9:30AM Apr 14, 2024Observed: 75.7 cfs at 9:45AM Apr 14, 2024Observed: 75.7 cfs at 10:00AM Apr 14, 2024Observed: 75.7 cfs at 10:15AM Apr 14, 2024Observed: 74.1 cfs at 10:30AM Apr 14, 2024Observed: 75.7 cfs at 10:45AM Apr 14, 2024Observed: 74.1 cfs at 11:00AM Apr 14, 2024Observed: 74.1 cfs at 11:15AM Apr 14, 2024Observed: 74.1 cfs at 11:30AM Apr 14, 2024Observed: 74.1 cfs at 11:45AM Apr 14, 2024Observed: 74.1 cfs at 12:00PM Apr 14, 2024Observed: 72.4 cfs at 12:15PM Apr 14, 2024Observed: 74.1 cfs at 12:30PM Apr 14, 2024Observed: 74.1 cfs at 12:45PM Apr 14, 2024Observed: 72.4 cfs at 1:00PM Apr 14, 2024Observed: 72.4 cfs at 1:15PM Apr 14, 2024Observed: 72.4 cfs at 1:30PM Apr 14, 2024Observed: 70.8 cfs at 1:45PM Apr 14, 2024Observed: 70.8 cfs at 2:00PM Apr 14, 2024Observed: 72.4 cfs at 2:15PM Apr 14, 2024Observed: 72.4 cfs at 2:30PM Apr 14, 2024Observed: 70.8 cfs at 2:45PM Apr 14, 2024Observed: 72.4 cfs at 3:00PM Apr 14, 2024Observed: 70.8 cfs at 3:15PM Apr 14, 2024Observed: 72.4 cfs at 3:30PM Apr 14, 2024Observed: 72.4 cfs at 3:45PM Apr 14, 2024Observed: 70.8 cfs at 4:00PM Apr 14, 2024Observed: 70.8 cfs at 4:15PM Apr 14, 2024Observed: 70.8 cfs at 5:30PM Apr 14, 2024Observed: 70.8 cfs at 5:45PM Apr 14, 2024Observed: 69.1 cfs at 6:00PM Apr 14, 2024Observed: 69.1 cfs at 6:15PM Apr 14, 2024Observed: 70.8 cfs at 6:30PM Apr 14, 2024Observed: 70.8 cfs at 6:45PM Apr 14, 2024Observed: 70.8 cfs at 7:00PM Apr 14, 2024Observed: 70.8 cfs at 7:15PM Apr 14, 2024Observed: 70.8 cfs at 7:30PM Apr 14, 2024Observed: 70.8 cfs at 7:45PM Apr 14, 2024Observed: 70.8 cfs at 8:00PM Apr 14, 2024Observed: 70.8 cfs at 8:15PM Apr 14, 2024Observed: 70.8 cfs at 10:30PM Apr 14, 2024Observed: 70.8 cfs at 10:45PM Apr 14, 2024Observed: 70.8 cfs at 11:00PM Apr 14, 2024Observed: 69.1 cfs at 11:15PM Apr 14, 2024Observed: 70.8 cfs at 11:30PM Apr 14, 2024Observed: 69.1 cfs at 11:45PM Apr 14, 2024Observed: 70.8 cfs at 12:00AM Apr 15, 2024Observed: 70.8 cfs at 12:15AM Apr 15, 2024Observed: 69.1 cfs at 12:30AM Apr 15, 2024Observed: 70.8 cfs at 12:45AM Apr 15, 2024Observed: 70.8 cfs at 1:00AM Apr 15, 2024Observed: 70.8 cfs at 1:15AM Apr 15, 2024Observed: 70.8 cfs at 1:30AM Apr 15, 2024Observed: 70.8 cfs at 1:45AM Apr 15, 2024Observed: 69.1 cfs at 2:00AM Apr 15, 2024Observed: 70.8 cfs at 2:15AM Apr 15, 2024Observed: 70.8 cfs at 2:30AM Apr 15, 2024Observed: 69.1 cfs at 2:45AM Apr 15, 2024Observed: 69.1 cfs at 3:00AM Apr 15, 2024Observed: 69.1 cfs at 3:15AM Apr 15, 2024Observed: 70.8 cfs at 3:30AM Apr 15, 2024Observed: 70.8 cfs at 3:45AM Apr 15, 2024Observed: 70.8 cfs at 4:00AM Apr 15, 2024Observed: 70.8 cfs at 4:15AM Apr 15, 2024Observed: 70.8 cfs at 4:30AM Apr 15, 2024Observed: 72.4 cfs at 4:45AM Apr 15, 2024Observed: 70.8 cfs at 5:00AM Apr 15, 2024Observed: 70.8 cfs at 5:15AM Apr 15, 2024Observed: 70.8 cfs at 5:30AM Apr 15, 2024Observed: 70.8 cfs at 5:45AM Apr 15, 2024Observed: 69.1 cfs at 6:00AM Apr 15, 2024Observed: 70.8 cfs at 6:15AM Apr 15, 2024Observed: 70.8 cfs at 6:30AM Apr 15, 2024Observed: 70.8 cfs at 6:45AM Apr 15, 2024Observed: 69.1 cfs at 7:00AM Apr 15, 2024Observed: 70.8 cfs at 7:15AM Apr 15, 2024Observed: 69.1 cfs at 7:30AM Apr 15, 2024Observed: 70.8 cfs at 7:45AM Apr 15, 2024Observed: 70.8 cfs at 8:00AM Apr 15, 2024Observed: 72.4 cfs at 8:15AM Apr 15, 2024Observed: 75.7 cfs at 8:30AM Apr 15, 2024Observed: 74.1 cfs at 8:45AM Apr 15, 2024Observed: 74.1 cfs at 9:00AM Apr 15, 2024Observed: 72.4 cfs at 9:15AM Apr 15, 2024Observed: 70.8 cfs at 9:30AM Apr 15, 2024Observed: 70.8 cfs at 9:45AM Apr 15, 2024Observed: 70.8 cfs at 10:00AM Apr 15, 2024Observed: 70.8 cfs at 10:15AM Apr 15, 2024Observed: 70.8 cfs at 10:30AM Apr 15, 2024Observed: 70.8 cfs at 10:45AM Apr 15, 2024Observed: 70.8 cfs at 11:00AM Apr 15, 2024Observed: 69.1 cfs at 11:15AM Apr 15, 2024Observed: 70.8 cfs at 11:30AM Apr 15, 2024Observed: 70.8 cfs at 11:45AM Apr 15, 2024Observed: 70.8 cfs at 12:00PM Apr 15, 2024Observed: 69.1 cfs at 12:15PM Apr 15, 2024Observed: 70.8 cfs at 12:30PM Apr 15, 2024Observed: 70.8 cfs at 12:45PM Apr 15, 2024Observed: 70.8 cfs at 1:00PM Apr 15, 2024Observed: 70.8 cfs at 1:15PM Apr 15, 2024Observed: 70.8 cfs at 1:30PM Apr 15, 2024Observed: 69.1 cfs at 1:45PM Apr 15, 2024Observed: 69.1 cfs at 2:00PM Apr 15, 2024Observed: 69.1 cfs at 2:15PM Apr 15, 2024Observed: 69.1 cfs at 2:30PM Apr 15, 2024Observed: 70.8 cfs at 2:45PM Apr 15, 2024Observed: 70.8 cfs at 3:00PM Apr 15, 2024Observed: 69.1 cfs at 3:15PM Apr 15, 2024Observed: 69.1 cfs at 3:30PM Apr 15, 2024Observed: 69.1 cfs at 3:45PM Apr 15, 2024Observed: 69.1 cfs at 4:00PM Apr 15, 2024Observed: 69.1 cfs at 4:15PM Apr 15, 2024Observed: 69.1 cfs at 4:30PM Apr 15, 2024Observed: 67.5 cfs at 4:45PM Apr 15, 2024Observed: 67.5 cfs at 5:00PM Apr 15, 2024Observed: 69.1 cfs at 5:15PM Apr 15, 2024Observed: 69.1 cfs at 5:30PM Apr 15, 2024Observed: 70.8 cfs at 5:45PM Apr 15, 2024Observed: 70.8 cfs at 6:00PM Apr 15, 2024Observed: 69.1 cfs at 6:15PM Apr 15, 2024Observed: 69.1 cfs at 6:30PM Apr 15, 2024Observed: 69.1 cfs at 6:45PM Apr 15, 2024Observed: 69.1 cfs at 7:00PM Apr 15, 2024Observed: 69.1 cfs at 7:15PM Apr 15, 2024Observed: 69.1 cfs at 7:30PM Apr 15, 2024Observed: 69.1 cfs at 7:45PM Apr 15, 2024Observed: 70.8 cfs at 8:00PM Apr 15, 2024Observed: 69.1 cfs at 8:15PM Apr 15, 2024Observed: 69.1 cfs at 8:30PM Apr 15, 2024Observed: 69.1 cfs at 8:45PM Apr 15, 2024Observed: 69.1 cfs at 9:00PM Apr 15, 2024Observed: 69.1 cfs at 9:15PM Apr 15, 2024Observed: 69.1 cfs at 9:30PM Apr 15, 2024Observed: 70.8 cfs at 9:45PM Apr 15, 2024Observed: 69.1 cfs at 10:00PM Apr 15, 2024Observed: 70.8 cfs at 10:15PM Apr 15, 2024Observed: 72.4 cfs at 10:30PM Apr 15, 2024Observed: 72.4 cfs at 10:45PM Apr 15, 2024Observed: 72.4 cfs at 11:00PM Apr 15, 2024Observed: 74.1 cfs at 11:15PM Apr 15, 2024Observed: 75.7 cfs at 11:30PM Apr 15, 2024Observed: 74.1 cfs at 11:45PM Apr 15, 2024Observed: 72.4 cfs at 12:00AM Apr 16, 2024Observed: 72.4 cfs at 12:15AM Apr 16, 2024Observed: 72.4 cfs at 12:30AM Apr 16, 2024Observed: 72.4 cfs at 12:45AM Apr 16, 2024Observed: 72.4 cfs at 1:00AM Apr 16, 2024Observed: 72.4 cfs at 1:15AM Apr 16, 2024Observed: 72.4 cfs at 1:30AM Apr 16, 2024Observed: 70.8 cfs at 1:45AM Apr 16, 2024Observed: 72.4 cfs at 2:00AM Apr 16, 2024Observed: 72.4 cfs at 2:15AM Apr 16, 2024Observed: 72.4 cfs at 3:30AM Apr 16, 2024Observed: 72.4 cfs at 3:45AM Apr 16, 2024Observed: 74.1 cfs at 4:00AM Apr 16, 2024Observed: 77.5 cfs at 4:15AM Apr 16, 2024Observed: 79.2 cfs at 4:30AM Apr 16, 2024Observed: 79.2 cfs at 4:45AM Apr 16, 2024Observed: 77.5 cfs at 5:00AM Apr 16, 2024Observed: 77.5 cfs at 5:15AM Apr 16, 2024Observed: 77.5 cfs at 5:30AM Apr 16, 2024Observed: 75.7 cfs at 5:45AM Apr 16, 2024Observed: 75.7 cfs at 6:00AM Apr 16, 2024Observed: 75.7 cfs at 6:15AM Apr 16, 2024Observed: 75.7 cfs at 6:30AM Apr 16, 2024Observed: 75.7 cfs at 6:45AM Apr 16, 2024Observed: 75.7 cfs at 7:00AM Apr 16, 2024Observed: 75.7 cfs at 7:15AM Apr 16, 2024Observed: 74.1 cfs at 7:30AM Apr 16, 2024Observed: 74.1 cfs at 7:45AM Apr 16, 2024Observed: 74.1 cfs at 8:00AM Apr 16, 2024Observed: 74.1 cfs at 8:15AM Apr 16, 2024Highest Forecast: 79.63 cfs 11:00AM Apr 16, 2024Forecast: 79.09 cfs 5:00PM Apr 16, 2024Forecast: 77.23 cfs 11:00PM Apr 16, 2024Forecast: 75.82 cfs 5:00AM Apr 17, 2024Forecast: 74.67 cfs 11:00AM Apr 17, 2024Forecast: 73.27 cfs 5:00PM Apr 17, 2024Forecast: 71.96 cfs 11:00PM Apr 17, 2024Forecast: 70.88 cfs 5:00AM Apr 18, 2024Forecast: 70.21 cfs 11:00AM Apr 18, 2024Forecast: 69.59 cfs 5:00PM Apr 18, 2024Forecast: 69.08 cfs 11:00PM Apr 18, 2024Forecast: 68.68 cfs 5:00AM Apr 19, 2024Forecast: 68.34 cfs 11:00AM Apr 19, 2024Forecast: 67.97 cfs 5:00PM Apr 19, 2024Forecast: 67.63 cfs 11:00PM Apr 19, 2024Forecast: 67.31 cfs 5:00AM Apr 20, 2024Forecast: 66.95 cfs 11:00AM Apr 20, 2024Forecast: 66.62 cfs 5:00PM Apr 20, 2024Forecast: 66.63 cfs 11:00PM Apr 20, 2024Forecast: 67.85 cfs 5:00AM Apr 21, 2024Forecast: 67.11 cfs 11:00AM Apr 21, 2024Forecast: 66.46 cfs 5:00PM Apr 21, 2024Forecast: 65.91 cfs 11:00PM Apr 21, 2024Forecast: 65.44 cfs 5:00AM Apr 22, 2024Forecast: 65.02 cfs 11:00AM Apr 22, 2024Forecast: 64.58 cfs 5:00PM Apr 22, 2024Forecast: 64.15 cfs 11:00PM Apr 22, 2024Forecast: 63.75 cfs 5:00AM Apr 23, 2024USGS--Water Resources of the United StatesISSW1(plotting QRIRZ) Graph Created (10:05AM Apr 16, 2024)ObservedForecast (issued 2:22PM Apr 15)Latest observed value: 74.1 cfs at 8:15 AM PDT 16-Apr-2024. Flood Flow is 2 kcfs
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.

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

NOTE: Forecasts for the Issaquah Creek near Issaquah are issued routinely year-round.

Return to Area Map
Flood Categories (in KCFS)
Major Flood Flow: 2.8
Moderate Flood Flow: 2.3
Flood Flow: 2
Action Flow: 1.34
Low Stage (in feet): 0

Historic Crests
(1) 3,200 cfs on 01/09/1990
(2) 3,100 cfs on 11/24/1986
(3) 2,870 cfs on 12/03/1975
(4) 2,620 cfs on 02/06/2020
(5) 2,450 cfs on 01/08/2009
(6) 2,420 cfs on 02/08/1996
(7) 2,410 cfs on 11/24/1990
(8) 2,330 cfs on 01/25/1984
(9) 2,300 cfs on 01/19/1986
(10) 2,260 cfs on 02/28/1972
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 2,110 cfs on 03/01/2022 (P)
(2) 1,350 cfs on 01/13/2021 (P)
(3) 1,320 cfs on 01/03/2021 (P)
(4) 2,620 cfs on 02/06/2020
(5) 1,290 cfs on 02/01/2020
(6) 1,930 cfs on 12/20/2019
(7) 1,510 cfs on 02/09/2017
(8) 2,010 cfs on 12/09/2015 (P)
(9) 1,460 cfs on 11/14/2015
(10) 1,020 cfs on 01/05/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 10 cfs on 09/29/1994
Zoom Level:16
KML Image
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
2800 Issaquah Creek will cause severe near record flooding in Issaquah valley. Deep and swift flood waters will inundate residential and business areas and numerous roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Issaquah Creek Basin.
2300 Issaquah Creek will cause major flooding in most of the valley. Deep and swift flood waters will inundate residential and business areas and numerous roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Issaquah Creek Basin.
2000 Issaquah Creek will flood most low areas in the valley. Swift waters will flood residential and business areas and roads including Newport Way.
1200 Issaquah Creek will spill over its banks into low flood prone areas of the valley.
About This Location Collapse

Latitude: 47.552500° N, Longitude: 122.046667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS flow Not Available 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 35.99 ft 46.49 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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
Seattle Weather Forecast Office
7600 Sandpoint Way NE
Seattle, WA 98115-6349
(206) 526-6087
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:27 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities