Trask River near Tillamook, OR

River level and flood forecast · Tillamook County

Normal5.6 ftas of Mon 9 PM

The river is 10.9 ft below flood stage (16.5 ft).

Forecast to hold near 5.6 ft through Mon, Oct 19, 5 PM.

Flow: 76 cubic feet per second (USGS).

The last 7 days and the forecast

0510152025TueThuSatMonWedFriSunAction 15 ftFlood 16.5 ftModerate 19 ftMajor 22 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 8:25 AM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Major flood stage22 ft
Moderate flood stage19 ft
Flood stage16.5 ft
Action stage15 ft
Record crest (February 8, 1996)23.2 ft

What floods at each level

From the National Weather Service, highest first.

  • 22 ftexpect major flooding along the lower Trask River. Dairy farms, buildings, and some residences adjacent to the Trask in the vicinity of Hwy 101 will be inundated, with flood water several feet deep in the lowest areas.
  • 19 ftexpect flooding along the lower Trask River. Dairy farms, buildings, and some residences adjacent to the Trask in the vicinity of Hwy 101 will be flooded.
  • 16.5 ftexpect minor flooding along the lower Trask River. Dairy farms, buildings, and a few residences adjacent to the Trask in the vicinity of Hwy 101 may be threatened.

Highest crests on record

  1. 23.2 ft — February 8, 1996
  2. 21.77 ft — November 25, 1999
  3. 21.32 ft — December 27, 1998
  4. 20.8 ft — December 3, 2007
  5. 19.6 ft — November 7, 2006

Recent crests: 18.34 ft (December 19, 2025) · 16.79 ft (December 9, 2025) · 16.94 ft (November 12, 2021) · 17.56 ft (October 22, 2017) · 18.3 ft (December 9, 2015)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (TRAO3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.