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Hydrograph River at a Glance Download
Willapa River at Willapa Stage (ft)Flow (kcfs)Observed: 3.06 ft at 11:30PM Aug 17, 2014Observed: 3.06 ft at 11:45PM Aug 17, 2014Observed: 3.06 ft at 12:00AM Aug 18, 2014Observed: 3.06 ft at 12:15AM Aug 18, 2014Observed: 3.06 ft at 12:30AM Aug 18, 2014Observed: 3.06 ft at 12:45AM Aug 18, 2014Observed: 3.06 ft at 1:00AM Aug 18, 2014Observed: 3.06 ft at 1:15AM Aug 18, 2014Observed: 3.06 ft at 1:30AM Aug 18, 2014Observed: 3.06 ft at 1:45AM Aug 18, 2014Observed: 3.06 ft at 2:00AM Aug 18, 2014Observed: 3.06 ft at 2:15AM Aug 18, 2014Observed: 3.06 ft at 2:30AM Aug 18, 2014Observed: 3.06 ft at 2:45AM Aug 18, 2014Observed: 3.06 ft at 3:00AM Aug 18, 2014Observed: 3.06 ft at 3:15AM Aug 18, 2014Observed: 3.06 ft at 3:30AM Aug 18, 2014Observed: 3.06 ft at 3:45AM Aug 18, 2014Observed: 3.06 ft at 4:00AM Aug 18, 2014Observed: 3.06 ft at 4:15AM Aug 18, 2014Highest Observation: 3.07 ft at 4:30AM Aug 18, 2014Observed: 3.06 ft at 4:45AM Aug 18, 2014Highest Observation: 3.07 ft at 5:00AM Aug 18, 2014Observed: 3.06 ft at 5:15AM Aug 18, 2014Highest Observation: 3.07 ft at 5:30AM Aug 18, 2014Highest Observation: 3.07 ft at 5:45AM Aug 18, 2014Highest Observation: 3.07 ft at 6:00AM Aug 18, 2014Observed: 3.06 ft at 6:15AM Aug 18, 2014Observed: 3.06 ft at 6:30AM Aug 18, 2014Highest Observation: 3.07 ft at 6:45AM Aug 18, 2014Highest Observation: 3.07 ft at 7:00AM Aug 18, 2014Observed: 3.06 ft at 7:15AM Aug 18, 2014Observed: 3.06 ft at 7:30AM Aug 18, 2014Observed: 3.06 ft at 7:45AM Aug 18, 2014Observed: 3.06 ft at 8:00AM Aug 18, 2014Observed: 3.06 ft at 8:15AM Aug 18, 2014Observed: 3.06 ft at 8:30AM Aug 18, 2014Observed: 3.06 ft at 8:45AM Aug 18, 2014Observed: 3.06 ft at 9:00AM Aug 18, 2014Observed: 3.06 ft at 9:15AM Aug 18, 2014Observed: 3.06 ft at 9:30AM Aug 18, 2014Observed: 3.06 ft at 9:45AM Aug 18, 2014Observed: 3.06 ft at 10:00AM Aug 18, 2014Observed: 3.06 ft at 10:15AM Aug 18, 2014Observed: 3.06 ft at 10:30AM Aug 18, 2014Observed: 3.06 ft at 10:45AM Aug 18, 2014Observed: 3.06 ft at 11:00AM Aug 18, 2014Observed: 3.06 ft at 11:15AM Aug 18, 2014Observed: 3.06 ft at 11:30AM Aug 18, 2014Observed: 3.06 ft at 11:45AM Aug 18, 2014Observed: 3.06 ft at 12:00PM Aug 18, 2014Observed: 3.06 ft at 12:15PM Aug 18, 2014Observed: 3.06 ft at 12:30PM Aug 18, 2014Observed: 3.06 ft at 12:45PM Aug 18, 2014Observed: 3.06 ft at 1:00PM Aug 18, 2014Observed: 3.06 ft at 1:15PM Aug 18, 2014Observed: 3.06 ft at 1:30PM Aug 18, 2014Observed: 3.06 ft at 1:45PM Aug 18, 2014Observed: 3.06 ft at 2:00PM Aug 18, 2014Observed: 3.06 ft at 2:15PM Aug 18, 2014Observed: 3.06 ft at 2:30PM Aug 18, 2014Observed: 3.06 ft at 2:45PM Aug 18, 2014Observed: 3.06 ft at 3:00PM Aug 18, 2014Observed: 3.06 ft at 3:15PM Aug 18, 2014Observed: 3.06 ft at 3:30PM Aug 18, 2014Observed: 3.06 ft at 3:45PM Aug 18, 2014Observed: 3.06 ft at 4:00PM Aug 18, 2014Observed: 3.05 ft at 4:15PM Aug 18, 2014Observed: 3.04 ft at 4:30PM Aug 18, 2014Observed: 3.04 ft at 4:45PM Aug 18, 2014Observed: 3.06 ft at 5:00PM Aug 18, 2014Observed: 3.05 ft at 5:15PM Aug 18, 2014Observed: 3.05 ft at 5:30PM Aug 18, 2014Observed: 3.05 ft at 5:45PM Aug 18, 2014Observed: 3.05 ft at 6:00PM Aug 18, 2014Observed: 3.05 ft at 6:15PM Aug 18, 2014Observed: 3.05 ft at 6:30PM Aug 18, 2014Observed: 3.05 ft at 6:45PM Aug 18, 2014Observed: 3.04 ft at 7:00PM Aug 18, 2014Observed: 3.05 ft at 7:15PM Aug 18, 2014Observed: 3.04 ft at 7:30PM Aug 18, 2014Observed: 3.04 ft at 7:45PM Aug 18, 2014Observed: 3.04 ft at 8:00PM Aug 18, 2014Observed: 3.04 ft at 8:15PM Aug 18, 2014Observed: 3.04 ft at 8:30PM Aug 18, 2014Observed: 3.04 ft at 8:45PM Aug 18, 2014Observed: 3.04 ft at 9:00PM Aug 18, 2014Observed: 3.04 ft at 9:15PM Aug 18, 2014Observed: 3.04 ft at 9:30PM Aug 18, 2014Observed: 3.04 ft at 9:45PM Aug 18, 2014Observed: 3.04 ft at 10:00PM Aug 18, 2014Observed: 3.04 ft at 10:15PM Aug 18, 2014Observed: 3.04 ft at 10:30PM Aug 18, 2014Observed: 3.04 ft at 10:45PM Aug 18, 2014Observed: 3.04 ft at 11:00PM Aug 18, 2014Observed: 3.04 ft at 11:15PM Aug 18, 2014Observed: 3.04 ft at 11:30PM Aug 18, 2014Observed: 3.04 ft at 11:45PM Aug 18, 2014Observed: 3.04 ft at 12:00AM Aug 19, 2014Observed: 3.04 ft at 12:15AM Aug 19, 2014Observed: 3.04 ft at 12:30AM Aug 19, 2014Observed: 3.04 ft at 12:45AM Aug 19, 2014Observed: 3.04 ft at 1:00AM Aug 19, 2014Observed: 3.04 ft at 1:15AM Aug 19, 2014Observed: 3.04 ft at 1:30AM Aug 19, 2014Observed: 3.04 ft at 1:45AM Aug 19, 2014Observed: 3.04 ft at 2:00AM Aug 19, 2014Observed: 3.04 ft at 2:15AM Aug 19, 2014Observed: 3.04 ft at 2:30AM Aug 19, 2014Observed: 3.04 ft at 2:45AM Aug 19, 2014Observed: 3.04 ft at 3:00AM Aug 19, 2014Observed: 3.04 ft at 3:15AM Aug 19, 2014Observed: 3.04 ft at 3:30AM Aug 19, 2014Observed: 3.04 ft at 3:45AM Aug 19, 2014Observed: 3.04 ft at 4:00AM Aug 19, 2014Observed: 3.04 ft at 4:15AM Aug 19, 2014Observed: 3.04 ft at 4:30AM Aug 19, 2014Observed: 3.04 ft at 4:45AM Aug 19, 2014Observed: 3.04 ft at 5:00AM Aug 19, 2014Observed: 3.04 ft at 5:15AM Aug 19, 2014Observed: 3.04 ft at 5:30AM Aug 19, 2014Observed: 3.04 ft at 5:45AM Aug 19, 2014Observed: 3.03 ft at 6:00AM Aug 19, 2014Observed: 3.04 ft at 6:15AM Aug 19, 2014Observed: 3.04 ft at 6:30AM Aug 19, 2014Observed: 3.03 ft at 6:45AM Aug 19, 2014Observed: 3.03 ft at 7:00AM Aug 19, 2014Observed: 3.04 ft at 7:15AM Aug 19, 2014Observed: 3.03 ft at 7:30AM Aug 19, 2014Observed: 3.03 ft at 7:45AM Aug 19, 2014Observed: 3.03 ft at 8:00AM Aug 19, 2014Observed: 3.03 ft at 8:15AM Aug 19, 2014Observed: 3.03 ft at 8:30AM Aug 19, 2014Observed: 3.03 ft at 8:45AM Aug 19, 2014Observed: 3.03 ft at 9:00AM Aug 19, 2014Observed: 3.03 ft at 9:15AM Aug 19, 2014Observed: 3.03 ft at 9:30AM Aug 19, 2014Observed: 3.03 ft at 9:45AM Aug 19, 2014Observed: 3.03 ft at 10:00AM Aug 19, 2014Observed: 3.03 ft at 10:15AM Aug 19, 2014Observed: 3.03 ft at 10:30AM Aug 19, 2014Observed: 3.03 ft at 10:45AM Aug 19, 2014Observed: 3.03 ft at 11:00AM Aug 19, 2014Observed: 3.03 ft at 11:15AM Aug 19, 2014Observed: 3.02 ft at 11:30AM Aug 19, 2014Observed: 3.03 ft at 11:45AM Aug 19, 2014Observed: 3.02 ft at 12:00PM Aug 19, 2014Observed: 3.03 ft at 12:15PM Aug 19, 2014Observed: 3.02 ft at 12:30PM Aug 19, 2014Observed: 3.03 ft at 12:45PM Aug 19, 2014Observed: 3.03 ft at 1:00PM Aug 19, 2014Observed: 3.03 ft at 1:15PM Aug 19, 2014Observed: 3.02 ft at 1:30PM Aug 19, 2014Observed: 3.03 ft at 1:45PM Aug 19, 2014Observed: 3.01 ft at 2:00PM Aug 19, 2014Observed: 3.03 ft at 2:15PM Aug 19, 2014Observed: 3.03 ft at 2:30PM Aug 19, 2014Observed: 3 ft at 2:45PM Aug 19, 2014Observed: 3.02 ft at 3:00PM Aug 19, 2014Observed: 3.03 ft at 3:15PM Aug 19, 2014Observed: 3.03 ft at 3:30PM Aug 19, 2014Observed: 3.03 ft at 3:45PM Aug 19, 2014Observed: 3.03 ft at 4:00PM Aug 19, 2014Observed: 3.03 ft at 4:15PM Aug 19, 2014Observed: 3.03 ft at 4:30PM Aug 19, 2014Observed: 3.02 ft at 4:45PM Aug 19, 2014Observed: 3.03 ft at 5:00PM Aug 19, 2014Observed: 3.03 ft at 5:15PM Aug 19, 2014Observed: 3.03 ft at 5:30PM Aug 19, 2014Observed: 3.02 ft at 5:45PM Aug 19, 2014Observed: 3.03 ft at 6:00PM Aug 19, 2014Observed: 3.03 ft at 6:15PM Aug 19, 2014Observed: 3.02 ft at 6:30PM Aug 19, 2014Observed: 3.02 ft at 6:45PM Aug 19, 2014Observed: 3.02 ft at 7:00PM Aug 19, 2014Observed: 3.02 ft at 7:15PM Aug 19, 2014Observed: 3.02 ft at 7:30PM Aug 19, 2014Observed: 3.02 ft at 7:45PM Aug 19, 2014Observed: 3.02 ft at 8:00PM Aug 19, 2014Observed: 3.02 ft at 8:15PM Aug 19, 2014Observed: 3.02 ft at 8:30PM Aug 19, 2014Observed: 3.02 ft at 8:45PM Aug 19, 2014Observed: 3.02 ft at 9:00PM Aug 19, 2014Observed: 3.01 ft at 9:15PM Aug 19, 2014Observed: 3.01 ft at 9:30PM Aug 19, 2014Observed: 3.01 ft at 9:45PM Aug 19, 2014Observed: 3.01 ft at 10:00PM Aug 19, 2014Observed: 3.01 ft at 10:15PM Aug 19, 2014Observed: 3.01 ft at 10:30PM Aug 19, 2014Observed: 3.01 ft at 10:45PM Aug 19, 2014Observed: 3.01 ft at 11:00PM Aug 19, 2014Observed: 3.02 ft at 11:15PM Aug 19, 2014Observed: 3.01 ft at 11:30PM Aug 19, 2014Observed: 3.01 ft at 11:45PM Aug 19, 2014Observed: 3.02 ft at 12:00AM Aug 20, 2014Observed: 3.01 ft at 12:15AM Aug 20, 2014Observed: 3.01 ft at 12:30AM Aug 20, 2014Observed: 3.01 ft at 12:45AM Aug 20, 2014Observed: 3.01 ft at 1:00AM Aug 20, 2014Observed: 3.01 ft at 1:15AM Aug 20, 2014Observed: 3.01 ft at 1:30AM Aug 20, 2014Observed: 3.01 ft at 1:45AM Aug 20, 2014Observed: 3.01 ft at 2:00AM Aug 20, 2014Observed: 3.01 ft at 2:15AM Aug 20, 2014Observed: 3.01 ft at 2:30AM Aug 20, 2014Observed: 3.01 ft at 2:45AM Aug 20, 2014Observed: 3.01 ft at 3:00AM Aug 20, 2014Observed: 3.01 ft at 3:15AM Aug 20, 2014Observed: 3.01 ft at 3:30AM Aug 20, 2014Observed: 3.01 ft at 3:45AM Aug 20, 2014Observed: 3.01 ft at 4:00AM Aug 20, 2014Observed: 3.01 ft at 4:15AM Aug 20, 2014Observed: 3 ft at 4:30AM Aug 20, 2014Observed: 3.01 ft at 4:45AM Aug 20, 2014Observed: 3.01 ft at 5:00AM Aug 20, 2014Observed: 3.01 ft at 5:15AM Aug 20, 2014Observed: 3 ft at 5:30AM Aug 20, 2014Observed: 3 ft at 5:45AM Aug 20, 2014Observed: 3 ft at 6:00AM Aug 20, 2014Observed: 3 ft at 6:15AM Aug 20, 2014Observed: 3 ft at 6:30AM Aug 20, 2014Observed: 3 ft at 6:45AM Aug 20, 2014Observed: 3 ft at 7:00AM Aug 20, 2014Observed: 3 ft at 7:15AM Aug 20, 2014Observed: 3 ft at 7:30AM Aug 20, 2014Observed: 3 ft at 7:45AM Aug 20, 2014Observed: 3 ft at 8:00AM Aug 20, 2014Observed: 3 ft at 8:15AM Aug 20, 2014Observed: 3 ft at 8:30AM Aug 20, 2014Observed: 3 ft at 8:45AM Aug 20, 2014Observed: 3 ft at 9:00AM Aug 20, 2014Observed: 3 ft at 9:15AM Aug 20, 2014Observed: 3 ft at 9:30AM Aug 20, 2014Observed: 3 ft at 9:45AM Aug 20, 2014Observed: 3 ft at 10:00AM Aug 20, 2014Observed: 3 ft at 10:15AM Aug 20, 2014Observed: 3 ft at 10:30AM Aug 20, 2014Observed: 3 ft at 10:45AM Aug 20, 2014Observed: 3 ft at 11:00AM Aug 20, 2014Observed: 3.01 ft at 11:15AM Aug 20, 2014Observed: 3 ft at 11:30AM Aug 20, 2014Observed: 3.01 ft at 11:45AM Aug 20, 2014Observed: 3.01 ft at 12:00PM Aug 20, 2014Observed: 3.01 ft at 12:15PM Aug 20, 2014Observed: 3.01 ft at 12:30PM Aug 20, 2014Observed: 3.01 ft at 12:45PM Aug 20, 2014Observed: 3.01 ft at 1:00PM Aug 20, 2014Observed: 3.01 ft at 1:15PM Aug 20, 2014Observed: 3.01 ft at 1:30PM Aug 20, 2014Observed: 3.01 ft at 1:45PM Aug 20, 2014Observed: 3.01 ft at 2:00PM Aug 20, 2014Observed: 3.01 ft at 2:15PM Aug 20, 2014Observed: 3.01 ft at 2:30PM Aug 20, 2014Observed: 3.01 ft at 2:45PM Aug 20, 2014Observed: 3 ft at 3:00PM Aug 20, 2014Observed: 3.01 ft at 3:15PM Aug 20, 2014Observed: 3.01 ft at 3:30PM Aug 20, 2014Observed: 3.01 ft at 3:45PM Aug 20, 2014Observed: 3 ft at 4:00PM Aug 20, 2014Observed: 3 ft at 4:15PM Aug 20, 2014Observed: 3.01 ft at 4:30PM Aug 20, 2014Observed: 3 ft at 4:45PM Aug 20, 2014Observed: 3 ft at 5:00PM Aug 20, 2014Observed: 3 ft at 5:15PM Aug 20, 2014Observed: 3 ft at 5:30PM Aug 20, 2014Observed: 3 ft at 5:45PM Aug 20, 2014Observed: 2.99 ft at 6:00PM Aug 20, 2014Observed: 3 ft at 6:15PM Aug 20, 2014Observed: 3 ft at 6:30PM Aug 20, 2014Observed: 3 ft at 6:45PM Aug 20, 2014Observed: 3 ft at 7:00PM Aug 20, 2014Observed: 2.99 ft at 7:15PM Aug 20, 2014Observed: 2.99 ft at 7:30PM Aug 20, 2014Observed: 2.99 ft at 7:45PM Aug 20, 2014Observed: 2.99 ft at 8:00PM Aug 20, 2014Observed: 2.99 ft at 8:15PM Aug 20, 2014Observed: 2.99 ft at 8:30PM Aug 20, 2014Observed: 2.99 ft at 8:45PM Aug 20, 2014Observed: 2.99 ft at 9:00PM Aug 20, 2014Observed: 2.99 ft at 9:15PM Aug 20, 2014Observed: 2.99 ft at 9:30PM Aug 20, 2014Observed: 2.99 ft at 9:45PM Aug 20, 2014Observed: 2.98 ft at 10:00PM Aug 20, 2014Observed: 2.98 ft at 10:15PM Aug 20, 2014Observed: 2.98 ft at 10:30PM Aug 20, 2014Observed: 2.98 ft at 10:45PM Aug 20, 2014Highest Forecast: 3 ft 5:00AM Aug 21, 2014Highest Forecast: 3 ft 11:00AM Aug 21, 2014Highest Forecast: 3 ft 5:00PM Aug 21, 2014Highest Forecast: 3 ft 11:00PM Aug 21, 2014Forecast: 2.99 ft 5:00AM Aug 22, 2014Forecast: 2.98 ft 11:00AM Aug 22, 2014Forecast: 2.98 ft 5:00PM Aug 22, 2014Forecast: 2.97 ft 11:00PM Aug 22, 2014Forecast: 2.97 ft 5:00AM Aug 23, 2014Forecast: 2.96 ft 11:00AM Aug 23, 2014Forecast: 2.96 ft 5:00PM Aug 23, 2014Forecast: 2.96 ft 11:00PM Aug 23, 2014Forecast: 2.95 ft 5:00AM Aug 24, 2014Forecast: 2.95 ft 11:00AM Aug 24, 2014Forecast: 2.95 ft 5:00PM Aug 24, 2014Forecast: 2.94 ft 11:00PM Aug 24, 2014Forecast: 2.94 ft 5:00AM Aug 25, 2014Forecast: 2.94 ft 11:00AM Aug 25, 2014Forecast: 2.94 ft 5:00PM Aug 25, 2014Forecast: 2.93 ft 11:00PM Aug 25, 2014USGS--Water Resources of the United StatesWILW1(plotting HGIRG) Graph Created (11:19PM Aug 20, 2014)ObservedForecast (issued 8:57AM Aug 20)Latest observed value: 2.98 ft at 10:45 PM PDT 20-Aug-2014. Flood Stage is 21 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Willapa River at Willapa are issued routinely year-round.
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Flood Categories (in feet)
Major Flood Stage:24
Moderate Flood Stage:0
Flood Stage:21
Action Stage:20

Historical Crests
(1) 27.28 ft on 12/20/1994
(2) 26.60 ft on 12/04/2007
(3) 24.53 ft on 03/19/1997
(4) 24.48 ft on 01/08/2009
(5) 24.43 ft on 02/24/1999
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(P): Preliminary values subject to further review.

Low Water Records
(1) 4.99 ft on 09/01/1970
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
24 Above 24 ft, Expect major flooding. Historically, numerous homes and the Willapa Hatchery at Fork Creek have been completely flooded at this point, along with major flooding of numerous roads from Frances downstream to Raymond, including State Route 6 and US Hwy 101.
22 Above 22 ft, Expect widespread flooding. Numerous roads are flooded with deep and swiftly moving water, including Heckard Road and US Hwy 101. The magnitude of flooding on Hwy 101 will depend on the tide.
21 Above 21 ft, Expect flooding of several roads along the river, including Heckard Road. Portions of US Hwy 101 may be flooded as well if flood crest corresponds to high tide. Also expect minor flooding in Raymond.
19 At 19 ft, The river is at bankfull level. Above this level, it begins to spill over the banks into adjacent low lands. Some minor flooding is possible in Raymond if this river level accompanies the high tide.
About This Location Collapse

Latitude: 46.651111° N, Longitude: 123.651667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 21 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 3.57 ft 24.57 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:

Additional Information Collapse
Archived/Historical Data at USACE DataQuery
10-day Forecast/Trend, Northwest River Forecast Center
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
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Page last modified: 5-Aug-2014 6:36 PM
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