Satsop River near Satsop, WA

River level and flood forecast · Grays Harbor County

Normal27.8 ftas of Mon 10:15 PM

The river is 10.2 ft below flood stage (38 ft).

Forecast to hold near 27.8 ft through Mon, Oct 19, 11 PM.

Flow: 293 cubic feet per second (USGS).

The last 7 days and the forecast

2530354045TueThuSatMonWedFriSunAction 36 ftFlood 38 ftModerate 40 ftMajor 42 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 8:27 AM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Major flood stage42 ft
Moderate flood stage40 ft
Flood stage38 ft
Action stage36 ft
Record crest (January 22, 1935)42.79 ft

What floods at each level

From the National Weather Service, highest first.

  • 44 ftthe Satsop River will cause severe record flooding...with deep and swift flood waters inundating farms...roads...and residential and commercial areas. Erosion could cause major damage to river banks. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Satsop River Basin.
  • 42 ftthe Satsop River will cause major near record flooding...with deep and swift flood waters inundating farms...roads...and residential areas. Erosion could cause significant damage to river banks. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Satsop River Basin.
  • 40 ftthe Satsop River will flood...inundating farms...roads...and some residential areas. Erosion will likely damage some areas along the river.
  • 38 ftthe Satsop River will flood low pasture lands and some roads along the river.

Highest crests on record

  1. 42.79 ft — January 22, 1935
  2. 41.77 ft — January 12, 2022
  3. 41.23 ft — January 7, 2022
  4. 40.31 ft — December 11, 2025
  5. 40.01 ft — January 3, 2021

Recent crests: 40.31 ft (December 11, 2025) · 39.21 ft (December 9, 2025) · 39.48 ft (December 5, 2023) · 38.01 ft (March 1, 2022) · 41.77 ft (January 12, 2022)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SATW1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.