Rivers in Washington

Samish River near Burlington

Skagit County, WashingtonNWS SMRW1USGS 12201500Seattle office

Below flood stage
0.01ftStage

Observed Wed, Sep 23, 12:00 PM PDT

Forecast crest
0.03 ftFri, Sep 25, 5:00 PM PDT
Record crest
14.18 ft2021

Open the live map with the river flood outlook

Flood stages and impacts

  1. 11000.0 ftthe Samish River will experience major flooding from Old Hwy 99 down to Samish Bay, with flooding of most areas of farm land along the river and further away, including Old Hwy 99. Samish Island Road will flood, cutting off Samish Island. There will also be flooding of residences, businesses, and the following roads: Sam Bell, Farm To Market, Allen, Thomas, Green, and Steelhead Lane. Levees will overtop and could breech.
  2. 9000.0 ftthe Samish River will cause moderate flooding from Old Hwy 99 down to Samish Bay, flooding many areas of farm land along the river and further away. Samish Island Road will flood, cutting off Samish Island. There will also be flooding of residences, businesses, and the following roads: Sam Bell, Farm To Market, Allen, Thomas, Green, and Steelhead Lane. Levees could breech as well.
  3. 7000.0 ftthe Samish River will cause moderate flooding from Old Hwy 99 down to Samish Bay, flooding many areas of farm land along the river and further away. There will also be flooding of residences, businesses, and the following roads: Sam Bell, Farm To Market, Allen, Thomas, Green, and Steelhead Lane. Levees could breech as well.
  4. 4500.0 ftthe Samish River will spill over its banks causing flood waters from west of Interstate 5 down to Samish Bay, flooding Sam Bell Rd., Farm To Market Rd., Allen Rd. near the town of Allen, and also Thomas Rd. and Green Rd.. Some residences, businesses, and farmland along the river will also be flooded.
  5. 3000.0 ftthe Samish River will spill over its banks causing flood waters over Sam Bell Rd., Farm To Market Rd., and Allen Rd. near the town of Allen. Some residences, businesses, and low-lying farm land along the river will also be flooded.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding11%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.

Crest history

42 crests on NOAA’s list since 1945.

#DateStage
1November 15, 202114.18 ft
2November 15, 202114.04 ft
3January 8, 200914.01 ft
4January 10, 198313.88 ft
5November 25, 200413.00 ft
6February 4, 201812.31 ft
7December 11, 202512.24 ft
8December 18, 197912.20 ft
9November 19, 200312.07 ft
10December 2, 197511.95 ft
11December 13, 201011.95 ft
12January 5, 201511.93 ft
13December 28, 194911.89 ft
14November 28, 202111.83 ft
15November 13, 201511.73 ft
16January 24, 198211.54 ft
17February 22, 201211.34 ft
18December 15, 199911.02 ft
19January 17, 201111.00 ft
20February 16, 201610.69 ft
21December 14, 200110.63 ft
22October 22, 201910.63 ft
23February 1, 202010.50 ft
24March 31, 201110.48 ft
25January 7, 202010.46 ft

Most recent crests

  • December 11, 2025: 12.24 ft
  • November 28, 2021: 11.83 ft
  • November 15, 2021: 14.18 ft
  • November 15, 2021: 14.04 ft
  • February 5, 2021: 10.23 ft
  • February 1, 2020: 10.50 ft
  • January 7, 2020: 10.46 ft
  • October 22, 2019: 10.63 ft
  • November 2, 2018: 9.84 ft
  • February 4, 2018: 12.31 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.