Skagit River near Concrete, WA

River level and flood forecast · Skagit County

Normal15.1 ftas of Mon 10:45 PM

The river is 12.9 ft below flood stage (28 ft).

Forecast to rise to 16.8 ft Sun 11 AM, below the 28 ft flood stage.

Flow: 6,430 cubic feet per second (USGS).

The last 7 days and the forecast

101520253035TueThuSatMonWedFriSunAction 24.5 ftFlood 28 ftModerate 30 ftMajor 32.5 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 8:15 AM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Major flood stage32.5 ft
Moderate flood stage30 ft
Flood stage28 ft
Action stage24.5 ft
Record crest (January 1, 1815)69.3 ft

What floods at each level

From the National Weather Service, highest first.

  • 40 ftthe Skagit River will cause severe near record flooding from Rockport downstream through Sedro Woolley. Deep and swift flood waters will inundate and damage roads...farms and business and residential areas...especially Cape Horn...Hamilton...and Thunderbird. Cockreham Island...the Nookachamps and the Sterling areas will be inundated. Levees east of Sedro Woolley may be damaged. This level at this location on the Skagit corresponds to a Phase 1 flood in the Skagit County flood system.
  • 37 ftthe Skagit River will cause major flooding from Rockport downstream through Sedro Woolley. Deep and swift flood waters will inundate many roads...farms...and some business and residential areas especially Cape Horn...Hamilton...and Thunderbird. Cockreham Island...the Nookachamps area and the Sterling area will be inundated. Levees east of Sedro Woolley may be damaged. This level for this location on the Skagit corresponds to a Phase 1 flood in the Skagit County flood system.
  • 32.5 ftthe Skagit River will cause flooding from Rockport downstream through Sedro Woolley. Flood waters will inundate low areas near the river...roads...and several residential areas mainly Cape Horn...Hamilton and Thunderbird. Some water will flow onto Cockreham Island and into the Nookachamps and Sterling areas. Flooding will also occur in headwaters...tributaries...and other streams within the Skagit Basin. This level for this location corresponds to a Phase 2 flood in the Skagit County flood system.
  • 28 ftthe Skagit River will flood low areas and sections of roads along the river from Rockport downstream to Sedro Woolley. This level for this location on the Skagit corresponds to a Phase 3 flood in the Skagit County flood system.

Highest crests on record

  1. 69.3 ft — January 1, 1815
  2. 42.21 ft — October 21, 2003
  3. 41.57 ft — November 29, 1995
  4. 41.03 ft — December 11, 2025
  5. 40.8 ft — November 27, 1949

Recent crests: 41.03 ft (December 11, 2025) · 28.26 ft (December 9, 2025) · 33.82 ft (December 6, 2023) · 29.49 ft (November 29, 2021) · 38.93 ft (November 15, 2021)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CONW1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.