National Weather Service Advanced Hydrologic Prediction Service

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Weather Forecast Office Portland, OR

Northwest River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (PDT)

Datum: NGVD29

Metadata

NOTE: Forecasts for the Wilson River near Tillamook are issued routinely year-round.

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Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	19
Moderate Flood Stage:	15.5
Flood Stage:	12
Action Stage:	10.5
Low Stage (in feet):	-9999

Historic Crests
(1) 22.84 ft on 11/07/2006
(2) 20.60 ft on 12/09/2015
(3) 20.50 ft on 12/03/2007
(4) 20.26 ft on 12/22/1964
(5) 19.59 ft on 12/27/1998
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.46 ft on 12/18/2018
(2) 17.05 ft on 10/22/2017
(3) 15.70 ft on 02/09/2017
(4) 12.45 ft on 11/25/2016
(5) 20.60 ft on 12/09/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.96 ft on 08/12/2007
(2) 3.30 ft on 08/26/2015

Zoom Level:16

	Gauge Location	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

If you notice any errors in the below information, please contact our Webmaster
22.5	Above 22.5 feet, expect flooding similar to November 2006 flood, with widespread and damaging flooding along the lower Wilson river. Expect numerous road closures.
21.5	Above 21.5 ft, expect widespread and damaging flooding along the Wilson River. Expect numerous road closures.
19	Above 19.0 ft, expect widespread flooding in Tillamook and surrounding areas, along with the Wilson River RV park east of Tillamook. Hwy 101 through the northern portion of Tillamook has historically been closed at this and higher stages. The worst of the flooding can be expected during high tides.
17	Above 17.0 feet, expect flooding of the Wilson River RV park east of Tillamook. Portions of Hwy 101 north of downtown Tillamook are likely flooded and some structures are threatened. The worst of the flooding can be expected during high tides.
16.5	Above 16.5 feet, expect flooding to start in the Wilson River RV park east of Tillamook. Expect flooding of low areas on Hwy 101 and Hwy 6 in and near Tillamook, along with flooding of numerous low areas on rural roads and property in the area.
16	Above 16 feet, flood waters threaten the Wilson River RV Park east of Tillamook along Hwy 6. Flooding will also begin to impact low sections of Hwy 101, Hwy 6, and Wilson River Loop Road, especially during high tide.
15.5	Above 15.5 ft, expect widespread flooding in the north part of Tillamook along Hwy 101 to the vicinity of the Tillamook Cheese Factory, especially during high tides. The most noticable flood impacts are to low-lying roads and some buildings near Dougherty Slough and the lower Wilson River. Widespread flooding of low lying dairy and pasture land and some rural access roads outside of Tillamook can be expected as well.
14	Above 14 ft, widespread lowland and dairy land flooding begins. Sloughs north of the city, mainly Dougherty, begin to overflow. Minor flooding begins in the business district north of Tillamook and along Hwy 101, particularly during high tide.
12	Above 12 ft, minor flooding of low lying dairy and pasture land north and east of Tillamook can be expected, particularly during high tides.

About This Location

Latitude: 45.475833° N, Longitude: 123.725000° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	12 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	42.12 ft	54.12 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:

U.S. Geological Survey (USGS) Data and Site Info for Tillamook

Additional Information

Archived/Historical Data at USACE DataQuery
10-day Forecast/Trend, Northwest River Forecast Center

Resources

Hydrologic Resources

Additional Resources

Collaborative Agencies

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
Portland Weather Forecast Office
5241 NE 122nd Avenue
Portland, OR 97230-1089
(503) 261-9246
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Page last modified: 1-Mar-2019 12:32 AM

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