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Hydrograph River at a Glance Download
South Fork Snoqualmie River near South Fork Snoqualmie R near Garcia Stage (ft)Flow (kcfs)Observed: 11.07 ft at 8:00AM Oct 17, 2021Highest Observation: 11.08 ft at 8:15AM Oct 17, 2021Observed: 11.07 ft at 8:30AM Oct 17, 2021Observed: 11.07 ft at 8:45AM Oct 17, 2021Observed: 11.07 ft at 9:00AM Oct 17, 2021Observed: 11.07 ft at 9:15AM Oct 17, 2021Observed: 11.06 ft at 9:30AM Oct 17, 2021Observed: 11.06 ft at 9:45AM Oct 17, 2021Observed: 11.06 ft at 10:00AM Oct 17, 2021Observed: 11.06 ft at 10:15AM Oct 17, 2021Observed: 11.06 ft at 10:30AM Oct 17, 2021Observed: 11.06 ft at 10:45AM Oct 17, 2021Observed: 11.05 ft at 11:00AM Oct 17, 2021Observed: 11.05 ft at 11:15AM Oct 17, 2021Observed: 11.05 ft at 11:30AM Oct 17, 2021Observed: 11.05 ft at 11:45AM Oct 17, 2021Observed: 11.05 ft at 12:00PM Oct 17, 2021Observed: 11.05 ft at 12:15PM Oct 17, 2021Observed: 11.04 ft at 12:30PM Oct 17, 2021Observed: 11.04 ft at 12:45PM Oct 17, 2021Observed: 11.04 ft at 1:00PM Oct 17, 2021Observed: 11.04 ft at 1:15PM Oct 17, 2021Observed: 11.03 ft at 1:30PM Oct 17, 2021Observed: 11.03 ft at 1:45PM Oct 17, 2021Observed: 11.03 ft at 2:00PM Oct 17, 2021Observed: 11.03 ft at 2:15PM Oct 17, 2021Observed: 11.03 ft at 2:30PM Oct 17, 2021Observed: 11.03 ft at 2:45PM Oct 17, 2021Observed: 11.03 ft at 3:00PM Oct 17, 2021Observed: 11.03 ft at 3:15PM Oct 17, 2021Observed: 11.03 ft at 3:30PM Oct 17, 2021Observed: 11.03 ft at 3:45PM Oct 17, 2021Observed: 11.02 ft at 4:00PM Oct 17, 2021Observed: 11.02 ft at 4:15PM Oct 17, 2021Observed: 11.02 ft at 4:30PM Oct 17, 2021Observed: 11.01 ft at 4:45PM Oct 17, 2021Observed: 11.01 ft at 5:00PM Oct 17, 2021Observed: 11.02 ft at 5:15PM Oct 17, 2021Observed: 11.01 ft at 5:30PM Oct 17, 2021Observed: 11 ft at 5:45PM Oct 17, 2021Observed: 11.01 ft at 6:00PM Oct 17, 2021Observed: 11.01 ft at 6:15PM Oct 17, 2021Observed: 11.01 ft at 6:30PM Oct 17, 2021Observed: 11.01 ft at 6:45PM Oct 17, 2021Observed: 11 ft at 7:00PM Oct 17, 2021Observed: 11 ft at 7:15PM Oct 17, 2021Observed: 11 ft at 7:30PM Oct 17, 2021Observed: 11 ft at 7:45PM Oct 17, 2021Observed: 10.99 ft at 8:00PM Oct 17, 2021Observed: 11 ft at 8:15PM Oct 17, 2021Observed: 10.99 ft at 8:30PM Oct 17, 2021Observed: 11 ft at 8:45PM Oct 17, 2021Observed: 11 ft at 9:00PM Oct 17, 2021Observed: 10.99 ft at 9:15PM Oct 17, 2021Observed: 10.99 ft at 9:30PM Oct 17, 2021Observed: 10.99 ft at 9:45PM Oct 17, 2021Observed: 10.99 ft at 10:00PM Oct 17, 2021Observed: 10.99 ft at 10:15PM Oct 17, 2021Observed: 10.98 ft at 10:30PM Oct 17, 2021Observed: 10.98 ft at 10:45PM Oct 17, 2021Observed: 10.98 ft at 11:00PM Oct 17, 2021Observed: 10.98 ft at 11:15PM Oct 17, 2021Observed: 10.99 ft at 11:30PM Oct 17, 2021Observed: 10.98 ft at 11:45PM Oct 17, 2021Observed: 10.98 ft at 12:00AM Oct 18, 2021Observed: 10.98 ft at 12:15AM Oct 18, 2021Observed: 10.98 ft at 12:30AM Oct 18, 2021Observed: 10.97 ft at 12:45AM Oct 18, 2021Observed: 10.97 ft at 1:00AM Oct 18, 2021Observed: 10.97 ft at 1:15AM Oct 18, 2021Observed: 10.97 ft at 1:30AM Oct 18, 2021Observed: 10.97 ft at 1:45AM Oct 18, 2021Observed: 10.97 ft at 2:00AM Oct 18, 2021Observed: 10.97 ft at 2:15AM Oct 18, 2021Observed: 10.97 ft at 2:30AM Oct 18, 2021Observed: 10.97 ft at 2:45AM Oct 18, 2021Observed: 10.97 ft at 3:00AM Oct 18, 2021Observed: 10.96 ft at 3:15AM Oct 18, 2021Observed: 10.96 ft at 3:30AM Oct 18, 2021Observed: 10.96 ft at 3:45AM Oct 18, 2021Observed: 10.96 ft at 4:00AM Oct 18, 2021Observed: 10.96 ft at 4:15AM Oct 18, 2021Observed: 10.96 ft at 4:30AM Oct 18, 2021Observed: 10.96 ft at 4:45AM Oct 18, 2021Observed: 10.96 ft at 5:00AM Oct 18, 2021Observed: 10.96 ft at 5:15AM Oct 18, 2021Observed: 10.96 ft at 5:30AM Oct 18, 2021Observed: 10.96 ft at 5:45AM Oct 18, 2021Observed: 10.95 ft at 6:00AM Oct 18, 2021Observed: 10.95 ft at 6:15AM Oct 18, 2021Observed: 10.95 ft at 6:30AM Oct 18, 2021Observed: 10.95 ft at 6:45AM Oct 18, 2021Observed: 10.94 ft at 7:00AM Oct 18, 2021Observed: 10.95 ft at 7:15AM Oct 18, 2021Observed: 10.95 ft at 7:30AM Oct 18, 2021Observed: 10.95 ft at 7:45AM Oct 18, 2021Observed: 10.94 ft at 8:00AM Oct 18, 2021Observed: 10.94 ft at 8:15AM Oct 18, 2021Observed: 10.94 ft at 8:30AM Oct 18, 2021Observed: 10.94 ft at 8:45AM Oct 18, 2021Observed: 10.94 ft at 9:00AM Oct 18, 2021Observed: 10.94 ft at 9:15AM Oct 18, 2021Observed: 10.94 ft at 9:30AM Oct 18, 2021Observed: 10.94 ft at 9:45AM Oct 18, 2021Observed: 10.94 ft at 10:00AM Oct 18, 2021Observed: 10.94 ft at 10:15AM Oct 18, 2021Observed: 10.93 ft at 10:30AM Oct 18, 2021Observed: 10.93 ft at 10:45AM Oct 18, 2021Observed: 10.94 ft at 11:00AM Oct 18, 2021Observed: 10.94 ft at 11:15AM Oct 18, 2021Observed: 10.92 ft at 11:30AM Oct 18, 2021Observed: 10.93 ft at 11:45AM Oct 18, 2021Observed: 10.93 ft at 12:00PM Oct 18, 2021Observed: 10.93 ft at 12:15PM Oct 18, 2021Observed: 10.93 ft at 12:30PM Oct 18, 2021Observed: 10.93 ft at 12:45PM Oct 18, 2021Observed: 10.92 ft at 1:00PM Oct 18, 2021Observed: 10.93 ft at 1:15PM Oct 18, 2021Observed: 10.92 ft at 1:30PM Oct 18, 2021Observed: 10.92 ft at 1:45PM Oct 18, 2021Observed: 10.91 ft at 2:00PM Oct 18, 2021Observed: 10.92 ft at 2:15PM Oct 18, 2021Observed: 10.91 ft at 2:30PM Oct 18, 2021Observed: 10.92 ft at 2:45PM Oct 18, 2021Observed: 10.92 ft at 3:00PM Oct 18, 2021Observed: 10.92 ft at 3:15PM Oct 18, 2021Observed: 10.92 ft at 3:30PM Oct 18, 2021Observed: 10.91 ft at 3:45PM Oct 18, 2021Observed: 10.91 ft at 4:00PM Oct 18, 2021Observed: 10.92 ft at 4:15PM Oct 18, 2021Observed: 10.91 ft at 4:30PM Oct 18, 2021Observed: 10.91 ft at 4:45PM Oct 18, 2021Observed: 10.91 ft at 5:00PM Oct 18, 2021Observed: 10.91 ft at 5:15PM Oct 18, 2021Observed: 10.91 ft at 5:30PM Oct 18, 2021Observed: 10.91 ft at 5:45PM Oct 18, 2021Observed: 10.91 ft at 6:00PM Oct 18, 2021Observed: 10.91 ft at 6:15PM Oct 18, 2021Observed: 10.91 ft at 6:30PM Oct 18, 2021Observed: 10.91 ft at 6:45PM Oct 18, 2021Observed: 10.9 ft at 7:00PM Oct 18, 2021Observed: 10.9 ft at 7:15PM Oct 18, 2021Observed: 10.9 ft at 7:30PM Oct 18, 2021Observed: 10.91 ft at 7:45PM Oct 18, 2021Observed: 10.9 ft at 8:00PM Oct 18, 2021Observed: 10.9 ft at 8:15PM Oct 18, 2021Observed: 10.9 ft at 8:30PM Oct 18, 2021Observed: 10.9 ft at 8:45PM Oct 18, 2021Observed: 10.89 ft at 9:00PM Oct 18, 2021Observed: 10.9 ft at 9:15PM Oct 18, 2021Observed: 10.9 ft at 9:30PM Oct 18, 2021Observed: 10.89 ft at 9:45PM Oct 18, 2021Observed: 10.9 ft at 10:00PM Oct 18, 2021Observed: 10.9 ft at 10:15PM Oct 18, 2021Observed: 10.9 ft at 10:30PM Oct 18, 2021Observed: 10.89 ft at 10:45PM Oct 18, 2021Observed: 10.89 ft at 11:00PM Oct 18, 2021Observed: 10.89 ft at 11:15PM Oct 18, 2021Observed: 10.89 ft at 11:30PM Oct 18, 2021Observed: 10.89 ft at 11:45PM Oct 18, 2021Observed: 10.89 ft at 12:00AM Oct 19, 2021Observed: 10.89 ft at 12:15AM Oct 19, 2021Observed: 10.89 ft at 12:30AM Oct 19, 2021Observed: 10.89 ft at 12:45AM Oct 19, 2021Observed: 10.89 ft at 1:00AM Oct 19, 2021Observed: 10.88 ft at 1:15AM Oct 19, 2021Observed: 10.89 ft at 1:30AM Oct 19, 2021Observed: 10.88 ft at 1:45AM Oct 19, 2021Observed: 10.88 ft at 2:00AM Oct 19, 2021Observed: 10.88 ft at 2:15AM Oct 19, 2021Observed: 10.89 ft at 2:30AM Oct 19, 2021Observed: 10.88 ft at 2:45AM Oct 19, 2021Observed: 10.88 ft at 3:00AM Oct 19, 2021Observed: 10.88 ft at 3:15AM Oct 19, 2021Observed: 10.88 ft at 3:30AM Oct 19, 2021Observed: 10.88 ft at 3:45AM Oct 19, 2021Observed: 10.88 ft at 4:00AM Oct 19, 2021Observed: 10.88 ft at 4:15AM Oct 19, 2021Observed: 10.88 ft at 4:30AM Oct 19, 2021Observed: 10.88 ft at 4:45AM Oct 19, 2021Observed: 10.88 ft at 5:00AM Oct 19, 2021Observed: 10.88 ft at 5:15AM Oct 19, 2021Observed: 10.88 ft at 5:30AM Oct 19, 2021Observed: 10.88 ft at 5:45AM Oct 19, 2021Observed: 10.87 ft at 6:00AM Oct 19, 2021Observed: 10.87 ft at 6:15AM Oct 19, 2021Observed: 10.87 ft at 6:30AM Oct 19, 2021Observed: 10.88 ft at 6:45AM Oct 19, 2021Observed: 10.87 ft at 7:00AM Oct 19, 2021Observed: 10.87 ft at 7:15AM Oct 19, 2021Observed: 10.87 ft at 7:30AM Oct 19, 2021Observed: 10.87 ft at 7:45AM Oct 19, 2021Observed: 10.87 ft at 8:00AM Oct 19, 2021Observed: 10.87 ft at 8:15AM Oct 19, 2021Observed: 10.87 ft at 8:30AM Oct 19, 2021Observed: 10.86 ft at 8:45AM Oct 19, 2021Observed: 10.86 ft at 9:00AM Oct 19, 2021Observed: 10.87 ft at 9:15AM Oct 19, 2021Observed: 10.86 ft at 9:30AM Oct 19, 2021Observed: 10.86 ft at 9:45AM Oct 19, 2021Observed: 10.86 ft at 10:00AM Oct 19, 2021Observed: 10.86 ft at 10:15AM Oct 19, 2021Observed: 10.86 ft at 10:30AM Oct 19, 2021Observed: 10.86 ft at 10:45AM Oct 19, 2021Observed: 10.86 ft at 11:00AM Oct 19, 2021Observed: 10.86 ft at 11:15AM Oct 19, 2021Observed: 10.86 ft at 11:30AM Oct 19, 2021Observed: 10.86 ft at 11:45AM Oct 19, 2021Observed: 10.85 ft at 12:00PM Oct 19, 2021Observed: 10.85 ft at 12:15PM Oct 19, 2021Observed: 10.85 ft at 12:30PM Oct 19, 2021Observed: 10.85 ft at 12:45PM Oct 19, 2021Observed: 10.85 ft at 1:00PM Oct 19, 2021Observed: 10.85 ft at 1:15PM Oct 19, 2021Observed: 10.85 ft at 1:30PM Oct 19, 2021Observed: 10.85 ft at 1:45PM Oct 19, 2021Observed: 10.84 ft at 2:00PM Oct 19, 2021Observed: 10.85 ft at 2:15PM Oct 19, 2021Observed: 10.84 ft at 2:30PM Oct 19, 2021Observed: 10.84 ft at 2:45PM Oct 19, 2021Observed: 10.84 ft at 3:00PM Oct 19, 2021Observed: 10.85 ft at 3:15PM Oct 19, 2021Observed: 10.83 ft at 3:30PM Oct 19, 2021Observed: 10.84 ft at 3:45PM Oct 19, 2021Observed: 10.84 ft at 4:00PM Oct 19, 2021Observed: 10.84 ft at 4:15PM Oct 19, 2021Observed: 10.84 ft at 4:30PM Oct 19, 2021Observed: 10.84 ft at 4:45PM Oct 19, 2021Observed: 10.84 ft at 5:00PM Oct 19, 2021Observed: 10.84 ft at 5:15PM Oct 19, 2021Observed: 10.84 ft at 5:30PM Oct 19, 2021Observed: 10.84 ft at 5:45PM Oct 19, 2021Observed: 10.84 ft at 6:00PM Oct 19, 2021Observed: 10.84 ft at 6:15PM Oct 19, 2021Observed: 10.84 ft at 6:30PM Oct 19, 2021Observed: 10.83 ft at 6:45PM Oct 19, 2021Observed: 10.83 ft at 7:00PM Oct 19, 2021Observed: 10.83 ft at 7:15PM Oct 19, 2021Observed: 10.83 ft at 7:30PM Oct 19, 2021Observed: 10.83 ft at 7:45PM Oct 19, 2021Observed: 10.83 ft at 8:00PM Oct 19, 2021Observed: 10.83 ft at 8:15PM Oct 19, 2021Observed: 10.83 ft at 8:30PM Oct 19, 2021Observed: 10.83 ft at 8:45PM Oct 19, 2021Observed: 10.83 ft at 9:00PM Oct 19, 2021Observed: 10.83 ft at 9:15PM Oct 19, 2021Observed: 10.83 ft at 9:30PM Oct 19, 2021Observed: 10.83 ft at 9:45PM Oct 19, 2021Observed: 10.82 ft at 10:00PM Oct 19, 2021Observed: 10.82 ft at 10:15PM Oct 19, 2021Observed: 10.82 ft at 10:30PM Oct 19, 2021Observed: 10.82 ft at 10:45PM Oct 19, 2021Observed: 10.82 ft at 11:00PM Oct 19, 2021Observed: 10.82 ft at 11:15PM Oct 19, 2021Observed: 10.83 ft at 11:30PM Oct 19, 2021Observed: 10.82 ft at 11:45PM Oct 19, 2021Observed: 10.82 ft at 12:00AM Oct 20, 2021Observed: 10.82 ft at 12:15AM Oct 20, 2021Observed: 10.82 ft at 12:30AM Oct 20, 2021Observed: 10.79 ft at 12:45AM Oct 20, 2021Observed: 10.82 ft at 1:00AM Oct 20, 2021Observed: 10.81 ft at 1:15AM Oct 20, 2021Observed: 10.81 ft at 1:30AM Oct 20, 2021Observed: 10.81 ft at 1:45AM Oct 20, 2021Observed: 10.82 ft at 2:00AM Oct 20, 2021Observed: 10.82 ft at 2:15AM Oct 20, 2021Observed: 10.82 ft at 2:30AM Oct 20, 2021Observed: 10.81 ft at 2:45AM Oct 20, 2021Observed: 10.81 ft at 3:00AM Oct 20, 2021Observed: 10.81 ft at 3:15AM Oct 20, 2021Observed: 10.81 ft at 3:30AM Oct 20, 2021Observed: 10.81 ft at 3:45AM Oct 20, 2021Observed: 10.81 ft at 4:00AM Oct 20, 2021Observed: 10.81 ft at 4:15AM Oct 20, 2021Observed: 10.81 ft at 4:30AM Oct 20, 2021Observed: 10.81 ft at 4:45AM Oct 20, 2021Observed: 10.81 ft at 5:00AM Oct 20, 2021Observed: 10.81 ft at 5:15AM Oct 20, 2021Observed: 10.81 ft at 6:30AM Oct 20, 2021Observed: 10.81 ft at 6:45AM Oct 20, 2021Observed: 10.81 ft at 7:00AM Oct 20, 2021Observed: 10.81 ft at 7:15AM Oct 20, 2021Forecast: 10.79 ft 11:00AM Oct 20, 2021Forecast: 10.84 ft 5:00PM Oct 20, 2021Forecast: 10.85 ft 11:00PM Oct 20, 2021Forecast: 10.8 ft 5:00AM Oct 21, 2021Forecast: 10.8 ft 11:00AM Oct 21, 2021Forecast: 10.79 ft 5:00PM Oct 21, 2021Forecast: 10.78 ft 11:00PM Oct 21, 2021Forecast: 11.13 ft 5:00AM Oct 22, 2021Forecast: 11.47 ft 11:00AM Oct 22, 2021Forecast: 11.43 ft 5:00PM Oct 22, 2021Forecast: 11.35 ft 11:00PM Oct 22, 2021Forecast: 11.24 ft 5:00AM Oct 23, 2021Forecast: 11.18 ft 11:00AM Oct 23, 2021Forecast: 11.22 ft 5:00PM Oct 23, 2021Forecast: 11.41 ft 11:00PM Oct 23, 2021Highest Forecast: 11.54 ft 5:00AM Oct 24, 2021Forecast: 11.49 ft 11:00AM Oct 24, 2021Forecast: 11.35 ft 5:00PM Oct 24, 2021Forecast: 11.32 ft 11:00PM Oct 24, 2021Forecast: 11.33 ft 5:00AM Oct 25, 2021USGS--Water Resources of the United StatesGARW1(plotting HGIRG) Graph Created (7:50AM Oct 20, 2021)ObservedForecast (issued 4:06PM Oct 19)Latest observed value: 10.81 ft at 7:15 AM PDT 20-Oct-2021.
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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 South Fork Snoqualmie River near South Fork Snoqualmie R near Garcia are issued routinely year-round.

Return to Area Map
Flood Categories (in feet)
Not Available

Historic Crests
(1) 8,910 cfs on 11/06/2006
(2) 7,440 cfs on 01/07/2009
(3) 6,370 cfs on 11/12/2008
(4) 5,450 cfs on 11/18/2003
(5) 5,440 cfs on 01/17/2011
(6) 4,960 cfs on 12/15/1999
(7) 4,540 cfs on 12/11/2004
(8) 4,460 cfs on 01/18/2005
(9) 4,070 cfs on 01/30/2003
(10) 3,750 cfs on 03/31/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 3,040 cfs on 02/22/2012
(2) 3,470 cfs on 12/29/2011
(3) 1,960 cfs on 05/15/2011
(4) 3,750 cfs on 03/31/2011
(5) 5,440 cfs on 01/17/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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.
About This Location Collapse

Latitude: 47.415278° N, Longitude: 121.586111° 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 Not Available Not Available  

Current/Historical Observations:

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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
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Seattle, WA 98115-6349
(206) 526-6087
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Page last modified: 2-Nov-2020 7:27 PM
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