Rivers in Washington

Satsop River near Satsop

Grays Harbor County, WashingtonNWS SATW1USGS 12035000Seattle office

Below flood stage
27.77ftStage

Observed Mon, Sep 21, 11:15 PM PDT

Flood stage
38.00 ft
Record crest
42.79 ft1935

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood42.00 ft
Moderate flood40.00 ft
Minor flood38.00 ft
Action36.00 ft
  1. 44.00 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.
  2. 42.00 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.
  3. 40.00 ftthe Satsop River will flood...inundating farms...roads...and some residential areas. Erosion will likely damage some areas along the river.
  4. 38.00 ftthe Satsop River will flood low pasture lands and some roads along the river.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding20%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.

Crest history

130 crests on NOAA’s list since 1931.

#DateStage
1January 22, 193542.79 ft
2January 12, 202241.77 ft
3January 7, 202241.23 ft
4December 11, 202540.31 ft
5January 3, 202140.01 ft
6January 12, 202139.65 ft
7December 5, 202339.48 ft
8January 7, 202039.22 ft
9December 9, 202539.21 ft
10January 22, 193538.90 ft
11February 1, 202038.88 ft
12March 19, 199738.74 ft
13January 7, 200938.12 ft
14March 1, 202238.01 ft
15December 16, 199937.78 ft
16December 13, 201837.34 ft
17December 20, 199437.28 ft
18November 7, 200637.26 ft
19February 9, 195136.91 ft
20December 12, 201036.84 ft
21February 26, 193236.70 ft
22December 3, 200736.63 ft
23October 21, 200336.54 ft
24November 22, 201736.45 ft
25January 19, 196836.43 ft

Most recent crests

  • December 11, 2025: 40.31 ft
  • December 9, 2025: 39.21 ft
  • December 5, 2023: 39.48 ft
  • March 1, 2022: 38.01 ft
  • January 12, 2022: 41.77 ft
  • January 7, 2022: 41.23 ft
  • January 12, 2021: 39.65 ft
  • January 3, 2021: 40.01 ft
  • February 1, 2020: 38.88 ft
  • January 7, 2020: 39.22 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round. River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.