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Hydrograph River at a Glance Download
Wynoochee River near Montesano Stage (ft)Flow (kcfs)Observed: 28.9 ft at 5:00PM May 06, 2024Observed: 28.9 ft at 5:15PM May 06, 2024Observed: 28.91 ft at 5:30PM May 06, 2024Observed: 28.9 ft at 5:45PM May 06, 2024Observed: 28.91 ft at 6:00PM May 06, 2024Observed: 28.9 ft at 6:15PM May 06, 2024Observed: 28.91 ft at 6:30PM May 06, 2024Observed: 28.91 ft at 6:45PM May 06, 2024Observed: 28.91 ft at 7:00PM May 06, 2024Observed: 28.91 ft at 7:15PM May 06, 2024Observed: 28.91 ft at 7:30PM May 06, 2024Observed: 28.91 ft at 7:45PM May 06, 2024Observed: 28.9 ft at 8:00PM May 06, 2024Observed: 28.91 ft at 8:15PM May 06, 2024Observed: 28.9 ft at 8:30PM May 06, 2024Highest Observation: 28.92 ft at 8:45PM May 06, 2024Observed: 28.9 ft at 9:00PM May 06, 2024Observed: 28.91 ft at 9:15PM May 06, 2024Highest Observation: 28.92 ft at 9:30PM May 06, 2024Highest Observation: 28.92 ft at 9:45PM May 06, 2024Observed: 28.91 ft at 10:00PM May 06, 2024Observed: 28.91 ft at 10:15PM May 06, 2024Observed: 28.91 ft at 10:30PM May 06, 2024Observed: 28.91 ft at 10:45PM May 06, 2024Observed: 28.91 ft at 11:00PM May 06, 2024Observed: 28.9 ft at 11:15PM May 06, 2024Observed: 28.91 ft at 11:30PM May 06, 2024Observed: 28.91 ft at 11:45PM May 06, 2024Observed: 28.91 ft at 12:00AM May 07, 2024Observed: 28.91 ft at 12:15AM May 07, 2024Observed: 28.9 ft at 12:30AM May 07, 2024Observed: 28.91 ft at 12:45AM May 07, 2024Observed: 28.9 ft at 1:00AM May 07, 2024Observed: 28.9 ft at 1:15AM May 07, 2024Observed: 28.9 ft at 1:30AM May 07, 2024Observed: 28.9 ft at 1:45AM May 07, 2024Observed: 28.89 ft at 2:00AM May 07, 2024Observed: 28.9 ft at 2:15AM May 07, 2024Observed: 28.9 ft at 2:30AM May 07, 2024Observed: 28.9 ft at 2:45AM May 07, 2024Observed: 28.9 ft at 3:00AM May 07, 2024Observed: 28.9 ft at 3:15AM May 07, 2024Observed: 28.9 ft at 3:30AM May 07, 2024Observed: 28.9 ft at 3:45AM May 07, 2024Observed: 28.9 ft at 4:00AM May 07, 2024Observed: 28.89 ft at 4:15AM May 07, 2024Observed: 28.88 ft at 4:30AM May 07, 2024Observed: 28.89 ft at 4:45AM May 07, 2024Observed: 28.89 ft at 5:00AM May 07, 2024Observed: 28.89 ft at 5:15AM May 07, 2024Observed: 28.89 ft at 5:30AM May 07, 2024Observed: 28.88 ft at 5:45AM May 07, 2024Observed: 28.88 ft at 6:00AM May 07, 2024Observed: 28.88 ft at 6:15AM May 07, 2024Observed: 28.88 ft at 6:30AM May 07, 2024Observed: 28.88 ft at 6:45AM May 07, 2024Observed: 28.88 ft at 7:00AM May 07, 2024Observed: 28.88 ft at 7:15AM May 07, 2024Observed: 28.87 ft at 7:30AM May 07, 2024Observed: 28.86 ft at 7:45AM May 07, 2024Observed: 28.87 ft at 8:00AM May 07, 2024Observed: 28.87 ft at 8:15AM May 07, 2024Observed: 28.87 ft at 8:30AM May 07, 2024Observed: 28.87 ft at 8:45AM May 07, 2024Observed: 28.86 ft at 9:00AM May 07, 2024Observed: 28.86 ft at 9:15AM May 07, 2024Observed: 28.85 ft at 9:30AM May 07, 2024Observed: 28.86 ft at 9:45AM May 07, 2024Observed: 28.86 ft at 10:00AM May 07, 2024Observed: 28.85 ft at 10:15AM May 07, 2024Observed: 28.86 ft at 10:30AM May 07, 2024Observed: 28.86 ft at 10:45AM May 07, 2024Observed: 28.86 ft at 11:00AM May 07, 2024Observed: 28.84 ft at 11:15AM May 07, 2024Observed: 28.84 ft at 11:30AM May 07, 2024Observed: 28.84 ft at 11:45AM May 07, 2024Observed: 28.84 ft at 12:00PM May 07, 2024Observed: 28.84 ft at 12:15PM May 07, 2024Observed: 28.84 ft at 12:30PM May 07, 2024Observed: 28.84 ft at 12:45PM May 07, 2024Observed: 28.84 ft at 1:00PM May 07, 2024Observed: 28.84 ft at 1:15PM May 07, 2024Observed: 28.83 ft at 1:30PM May 07, 2024Observed: 28.84 ft at 1:45PM May 07, 2024Observed: 28.84 ft at 2:00PM May 07, 2024Observed: 28.84 ft at 2:15PM May 07, 2024Observed: 28.83 ft at 2:30PM May 07, 2024Observed: 28.84 ft at 2:45PM May 07, 2024Observed: 28.84 ft at 3:00PM May 07, 2024Observed: 28.82 ft at 3:15PM May 07, 2024Observed: 28.84 ft at 3:30PM May 07, 2024Observed: 28.83 ft at 3:45PM May 07, 2024Observed: 28.83 ft at 4:00PM May 07, 2024Observed: 28.82 ft at 4:15PM May 07, 2024Observed: 28.82 ft at 4:30PM May 07, 2024Observed: 28.82 ft at 4:45PM May 07, 2024Observed: 28.82 ft at 5:00PM May 07, 2024Observed: 28.82 ft at 5:15PM May 07, 2024Observed: 28.81 ft at 5:30PM May 07, 2024Observed: 28.81 ft at 5:45PM May 07, 2024Observed: 28.8 ft at 6:00PM May 07, 2024Observed: 28.8 ft at 6:15PM May 07, 2024Observed: 28.81 ft at 6:30PM May 07, 2024Observed: 28.8 ft at 6:45PM May 07, 2024Observed: 28.79 ft at 7:00PM May 07, 2024Observed: 28.8 ft at 7:15PM May 07, 2024Observed: 28.79 ft at 7:30PM May 07, 2024Observed: 28.8 ft at 7:45PM May 07, 2024Observed: 28.78 ft at 8:00PM May 07, 2024Observed: 28.79 ft at 8:15PM May 07, 2024Observed: 28.78 ft at 8:30PM May 07, 2024Observed: 28.78 ft at 8:45PM May 07, 2024Observed: 28.79 ft at 9:00PM May 07, 2024Observed: 28.78 ft at 9:15PM May 07, 2024Observed: 28.78 ft at 9:30PM May 07, 2024Observed: 28.78 ft at 9:45PM May 07, 2024Observed: 28.78 ft at 10:00PM May 07, 2024Observed: 28.77 ft at 10:15PM May 07, 2024Observed: 28.77 ft at 10:30PM May 07, 2024Observed: 28.76 ft at 10:45PM May 07, 2024Observed: 28.77 ft at 11:00PM May 07, 2024Observed: 28.76 ft at 11:15PM May 07, 2024Observed: 28.75 ft at 11:30PM May 07, 2024Observed: 28.75 ft at 11:45PM May 07, 2024Observed: 28.76 ft at 12:00AM May 08, 2024Observed: 28.75 ft at 12:15AM May 08, 2024Observed: 28.75 ft at 12:30AM May 08, 2024Observed: 28.75 ft at 12:45AM May 08, 2024Observed: 28.74 ft at 1:00AM May 08, 2024Observed: 28.74 ft at 1:15AM May 08, 2024Observed: 28.75 ft at 1:30AM May 08, 2024Observed: 28.74 ft at 1:45AM May 08, 2024Observed: 28.74 ft at 2:00AM May 08, 2024Observed: 28.73 ft at 2:15AM May 08, 2024Observed: 28.73 ft at 2:30AM May 08, 2024Observed: 28.73 ft at 2:45AM May 08, 2024Observed: 28.72 ft at 3:00AM May 08, 2024Observed: 28.73 ft at 3:15AM May 08, 2024Observed: 28.72 ft at 3:30AM May 08, 2024Observed: 28.72 ft at 3:45AM May 08, 2024Observed: 28.72 ft at 4:00AM May 08, 2024Observed: 28.72 ft at 4:15AM May 08, 2024Observed: 28.71 ft at 4:30AM May 08, 2024Observed: 28.72 ft at 4:45AM May 08, 2024Observed: 28.72 ft at 5:00AM May 08, 2024Observed: 28.71 ft at 5:15AM May 08, 2024Observed: 28.71 ft at 5:30AM May 08, 2024Observed: 28.71 ft at 5:45AM May 08, 2024Observed: 28.71 ft at 6:00AM May 08, 2024Observed: 28.7 ft at 6:15AM May 08, 2024Observed: 28.7 ft at 6:30AM May 08, 2024Observed: 28.7 ft at 6:45AM May 08, 2024Observed: 28.7 ft at 7:00AM May 08, 2024Observed: 28.7 ft at 7:15AM May 08, 2024Observed: 28.69 ft at 7:30AM May 08, 2024Observed: 28.69 ft at 7:45AM May 08, 2024Observed: 28.69 ft at 8:00AM May 08, 2024Observed: 28.69 ft at 8:15AM May 08, 2024Observed: 28.69 ft at 8:30AM May 08, 2024Observed: 28.68 ft at 8:45AM May 08, 2024Observed: 28.68 ft at 9:00AM May 08, 2024Observed: 28.67 ft at 9:15AM May 08, 2024Observed: 28.67 ft at 9:30AM May 08, 2024Observed: 28.67 ft at 9:45AM May 08, 2024Observed: 28.67 ft at 10:00AM May 08, 2024Observed: 28.66 ft at 10:15AM May 08, 2024Observed: 28.66 ft at 10:30AM May 08, 2024Observed: 28.66 ft at 10:45AM May 08, 2024Observed: 28.66 ft at 11:00AM May 08, 2024Observed: 28.65 ft at 11:15AM May 08, 2024Observed: 28.66 ft at 11:30AM May 08, 2024Observed: 28.66 ft at 11:45AM May 08, 2024Observed: 28.66 ft at 12:00PM May 08, 2024Observed: 28.65 ft at 12:15PM May 08, 2024Observed: 28.66 ft at 12:30PM May 08, 2024Observed: 28.65 ft at 12:45PM May 08, 2024Observed: 28.64 ft at 1:00PM May 08, 2024Observed: 28.65 ft at 1:15PM May 08, 2024Observed: 28.65 ft at 1:30PM May 08, 2024Observed: 28.65 ft at 1:45PM May 08, 2024Observed: 28.64 ft at 2:00PM May 08, 2024Observed: 28.64 ft at 2:15PM May 08, 2024Observed: 28.65 ft at 2:30PM May 08, 2024Observed: 28.65 ft at 2:45PM May 08, 2024Observed: 28.64 ft at 3:00PM May 08, 2024Observed: 28.63 ft at 3:15PM May 08, 2024Observed: 28.64 ft at 3:30PM May 08, 2024Observed: 28.64 ft at 3:45PM May 08, 2024Observed: 28.63 ft at 4:00PM May 08, 2024Observed: 28.64 ft at 4:15PM May 08, 2024Observed: 28.63 ft at 4:30PM May 08, 2024Observed: 28.63 ft at 4:45PM May 08, 2024Observed: 28.62 ft at 5:00PM May 08, 2024Observed: 28.62 ft at 5:15PM May 08, 2024Observed: 28.62 ft at 5:30PM May 08, 2024Observed: 28.62 ft at 5:45PM May 08, 2024Observed: 28.61 ft at 6:00PM May 08, 2024Observed: 28.62 ft at 6:15PM May 08, 2024Observed: 28.61 ft at 6:30PM May 08, 2024Observed: 28.62 ft at 6:45PM May 08, 2024Observed: 28.61 ft at 7:00PM May 08, 2024Observed: 28.6 ft at 7:15PM May 08, 2024Observed: 28.6 ft at 7:30PM May 08, 2024Observed: 28.6 ft at 7:45PM May 08, 2024Observed: 28.59 ft at 8:00PM May 08, 2024Observed: 28.6 ft at 8:15PM May 08, 2024Observed: 28.59 ft at 8:30PM May 08, 2024Observed: 28.59 ft at 8:45PM May 08, 2024Observed: 28.6 ft at 9:00PM May 08, 2024Observed: 28.59 ft at 9:15PM May 08, 2024Observed: 28.58 ft at 9:30PM May 08, 2024Observed: 28.58 ft at 9:45PM May 08, 2024Observed: 28.59 ft at 10:00PM May 08, 2024Observed: 28.58 ft at 10:15PM May 08, 2024Observed: 28.58 ft at 10:30PM May 08, 2024Observed: 28.58 ft at 10:45PM May 08, 2024Observed: 28.58 ft at 11:00PM May 08, 2024Observed: 28.58 ft at 11:15PM May 08, 2024Observed: 28.57 ft at 11:30PM May 08, 2024Observed: 28.58 ft at 11:45PM May 08, 2024Observed: 28.57 ft at 12:00AM May 09, 2024Observed: 28.57 ft at 12:15AM May 09, 2024Observed: 28.57 ft at 12:30AM May 09, 2024Observed: 28.56 ft at 12:45AM May 09, 2024Observed: 28.56 ft at 1:00AM May 09, 2024Observed: 28.56 ft at 1:15AM May 09, 2024Observed: 28.56 ft at 1:30AM May 09, 2024Observed: 28.56 ft at 1:45AM May 09, 2024Observed: 28.56 ft at 2:00AM May 09, 2024Observed: 28.56 ft at 2:15AM May 09, 2024Observed: 28.55 ft at 2:30AM May 09, 2024Observed: 28.55 ft at 2:45AM May 09, 2024Observed: 28.55 ft at 3:00AM May 09, 2024Observed: 28.55 ft at 3:15AM May 09, 2024Observed: 28.55 ft at 3:30AM May 09, 2024Observed: 28.55 ft at 3:45AM May 09, 2024Observed: 28.55 ft at 4:00AM May 09, 2024Observed: 28.54 ft at 4:15AM May 09, 2024Observed: 28.54 ft at 4:30AM May 09, 2024Observed: 28.54 ft at 4:45AM May 09, 2024Observed: 28.54 ft at 5:00AM May 09, 2024Observed: 28.54 ft at 5:15AM May 09, 2024Observed: 28.53 ft at 5:30AM May 09, 2024Observed: 28.53 ft at 5:45AM May 09, 2024Observed: 28.53 ft at 6:00AM May 09, 2024Observed: 28.52 ft at 6:15AM May 09, 2024Observed: 28.53 ft at 6:30AM May 09, 2024Observed: 28.53 ft at 6:45AM May 09, 2024Observed: 28.53 ft at 7:00AM May 09, 2024Observed: 28.52 ft at 7:15AM May 09, 2024Observed: 28.53 ft at 7:30AM May 09, 2024Observed: 28.53 ft at 7:45AM May 09, 2024Observed: 28.52 ft at 8:00AM May 09, 2024Observed: 28.52 ft at 8:15AM May 09, 2024Observed: 28.51 ft at 8:30AM May 09, 2024Observed: 28.51 ft at 8:45AM May 09, 2024Observed: 28.5 ft at 9:00AM May 09, 2024Observed: 28.5 ft at 9:15AM May 09, 2024Observed: 28.51 ft at 9:30AM May 09, 2024Observed: 28.5 ft at 9:45AM May 09, 2024Observed: 28.5 ft at 10:00AM May 09, 2024Observed: 28.49 ft at 10:15AM May 09, 2024Observed: 28.51 ft at 10:30AM May 09, 2024Observed: 28.5 ft at 10:45AM May 09, 2024Observed: 28.49 ft at 11:00AM May 09, 2024Observed: 28.5 ft at 11:15AM May 09, 2024Observed: 28.49 ft at 11:30AM May 09, 2024Observed: 28.49 ft at 11:45AM May 09, 2024Observed: 28.49 ft at 12:00PM May 09, 2024Observed: 28.49 ft at 12:15PM May 09, 2024Observed: 28.48 ft at 12:30PM May 09, 2024Observed: 28.49 ft at 12:45PM May 09, 2024Observed: 28.48 ft at 1:00PM May 09, 2024Observed: 28.48 ft at 1:15PM May 09, 2024Observed: 28.48 ft at 1:30PM May 09, 2024Observed: 28.48 ft at 1:45PM May 09, 2024Observed: 28.47 ft at 2:00PM May 09, 2024Observed: 28.48 ft at 2:15PM May 09, 2024Observed: 28.47 ft at 2:30PM May 09, 2024Observed: 28.48 ft at 2:45PM May 09, 2024Observed: 28.47 ft at 3:00PM May 09, 2024Observed: 28.47 ft at 3:15PM May 09, 2024Observed: 28.47 ft at 3:30PM May 09, 2024Observed: 28.47 ft at 3:45PM May 09, 2024Highest Forecast: 28.46 ft 5:00PM May 09, 2024Forecast: 28.42 ft 11:00PM May 09, 2024Forecast: 28.39 ft 5:00AM May 10, 2024Forecast: 28.34 ft 11:00AM May 10, 2024Forecast: 28.3 ft 5:00PM May 10, 2024Forecast: 28.26 ft 11:00PM May 10, 2024Forecast: 28.22 ft 5:00AM May 11, 2024Forecast: 28.19 ft 11:00AM May 11, 2024Forecast: 28.16 ft 5:00PM May 11, 2024Forecast: 28.13 ft 11:00PM May 11, 2024Forecast: 28.1 ft 5:00AM May 12, 2024Forecast: 28.07 ft 11:00AM May 12, 2024Forecast: 28.05 ft 5:00PM May 12, 2024Forecast: 28.03 ft 11:00PM May 12, 2024Forecast: 28 ft 5:00AM May 13, 2024Forecast: 27.98 ft 11:00AM May 13, 2024Forecast: 27.96 ft 5:00PM May 13, 2024Forecast: 27.94 ft 11:00PM May 13, 2024Forecast: 27.92 ft 5:00AM May 14, 2024Forecast: 27.9 ft 11:00AM May 14, 2024Forecast: 27.88 ft 5:00PM May 14, 2024Forecast: 27.86 ft 11:00PM May 14, 2024Forecast: 27.85 ft 5:00AM May 15, 2024Forecast: 27.83 ft 11:00AM May 15, 2024Forecast: 27.81 ft 5:00PM May 15, 2024Forecast: 27.8 ft 11:00PM May 15, 2024Forecast: 27.78 ft 5:00AM May 16, 2024Forecast: 27.77 ft 11:00AM May 16, 2024USGS--Water Resources of the United StatesMNSW1(plotting HGIRG) Graph Created (4:50PM May 9, 2024)ObservedForecast (issued 3:12PM May 9)Latest observed value: 28.47 ft at 3:45 PM PDT 9-May-2024. Flood Stage is 42.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: NAVD88
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 Wynoochee River near Montesano are issued routinely year-round.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 44.5
Moderate Flood Stage: 43.5
Flood Stage: 42.5
Action Stage: 39
Low Stage (in feet): -9999

Historic Crests
(1) 45.02 ft on 12/10/1956
(2) 20.54 ft on 12/10/1956
(3) 20.21 ft on 03/19/1997
(4) 20.19 ft on 01/19/1968
(5) 20.12 ft on 01/16/1961
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.18 ft on 01/05/2015
(2) 13.85 ft on 03/06/2014
(3) 13.40 ft on 11/19/2012
(4) 10.81 ft on 11/23/2011
(5) 15.90 ft on 12/12/2010
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.86 ft on 08/30/1967
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
44.5 the Wynoochee River will cause major flooding in the Wynoochee Valley...with deep and swift flood waters inundating farms...residences...and roads. Damage from erosion could be significant. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Wynoochee River Basin.
43.5 the Wynoochee River will flood much of the low area of the Wynoochee Valley with moderate flooding. Deep and swift flood waters will inundate farms...residential areas...and roads.
42.5 the Wynoochee River will flood much of the low area of the Wynoochee Valley...with deep and swift flood waters inundating farms...residential areas...and roads.
39.5 the Wynoochee River will locally spill over its banks into fields in the Wynoochee Valley. Flooding threatens residences and roads upper part of river.
About This Location Collapse

Latitude: 47.011667° N, Longitude: 123.654167° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 42.5 ft 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 0.0 ft 42.5 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 40 ft 58 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:
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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
Seattle Weather Forecast Office
7600 Sandpoint Way NE
Seattle, WA 98115-6349
(206) 526-6087
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