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Snohomish River at Snohomish water level

River gauge, Snohomish River, Washington, United States

Directions

Very low for mid-October

Water level

8.00ft Up 0.68 ft over the last 24 hours

10 20 30 Highest onrecord 34.15 ft Minor floodstage 25.00 ft

History

1020ftOct 12Oct 15Oct 19Oct 23Oct 27Minor flood stage1020ftOct 12Oct 19Oct 27Minor flood stage
1020ftSep 19Sep 28Oct 8Oct 17Oct 27Minor flood stage1020ftSep 19Oct 8Oct 27Minor flood stage
102030ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage102030ftOct 2025Apr 2026Oct 2026Minor flood stage
102030ftJanMarMayJulSepNov2026102030ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Forecast Minor flood stage

The forecast expects the river to rise to 15.94 ft by Monday, October 26 at 06:00 PM. Issued Saturday, October 17 at 01:49 PM by NOAA National Weather Service.

What this means

Low water at Snohomish River at Snohomish: the gauge reads 8.00 ft, far below normal for mid-October.

That puts it 4.12 ft below the median of 12.12 ft for mid-October, based on 15 years of readings. It is 17.00 ft below the flood stage of 25.00 ft. A year ago it stood at 11.30 ft (−3.30 ft).

It is on the way up, by 0.68 ft over the past 24 hours. The forecast expects the river to rise to 15.94 ft by Monday, October 26 at 06:00 PM. The 30-day range is 5.49 ft – 15.72 ft.

Compared with 15 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
12.12 ft4.12 ft below the median for this date
Normal for this date
10.97 ft – 16.55 ft8 years in 10 fall in this range (15 years of records)
Same day last year
11.30 ft−3.30 ft
Lowest and highest in 30 days
5.49 ft – 15.72 ft
Lowest and highest in 12 months
11.21 ft – 33.54 ft
Highest on record
34.15 ftDecember 11, 2025
Forecast peak
15.94 ftMonday, October 26 at 06:00 PM

Paddling and fishing conditions

At low levels, plan for shorter paddling trips and expect to walk your boat through a few shoals.

For reference, flood stage is 25.00 ft.

What happens at each level

33.00 ft
the Snohomish River will cause severe near record flooding. Flood waters will likely overtop levees...with major levee damage possible. Flood waters will inundate much of the river valley...including SR2 west of Monroe...SR9 and the Lowell-Snohomish River Rd. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 33 feet on the Snohomish River corresponds to a Phase 4 in the Snohomish County flood program.
32.00 ft
the Snohomish River will cause major flooding. Overtopping begins at French Slough area. Flood waters will likely overtop other levees...with major levee damage possible. Flood waters will inundate much of the lowlands and many roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 32 feet on the Snohomish River corresponds to a Phase 4 in the Snohomish County flood program.
31.00 ft
the Snohomish River will cause major flooding. Flood waters will likely overtop levees...with major levee damage possible. Flood waters will inundate much of the valley and many roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 31 feet on the Snohomish River corresponds to a Phase 4 in the Snohomish County flood program.
30.00 ft
the Snohomish River will flood low farm lands and several roads...including Riverview Rd and the Snohomish-Monroe highway. Hide tidal levels could worsen flooding on the lower delta and Ebey Island. Levees may be damaged. Berms start overtopping at this level. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. This stage on the Snohomish River corresponds to a Phase 4 in the Snohomish County flood program.
29.00 ft
the Snohomish River will flood low farm lands and several roads...including Riverview Rd and the Snohomish-Monroe highway. Hide tidal levels could worsen flooding on the lower delta and Ebey Island. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 29 feet on the Snohomish River corresponds to a Phase 3 in the Snohomish County flood program.
28.00 ft
the Snohomish River will flood several roads...including the Snohomish-Monroe highway and Riverview Road...and low areas of the lower Snohomish valley that are not protected by levees. A stage of 28 feet on the Snohomish River corresponds to a Phase 3 in the Snohomish County flood program.
27.00 ft
the Snohomish River will flood several roads...including the Snohomish-Monroe highway...and low areas of the lower Snohomish valley that are not protected by levees. A stage of 27 feet on the Snohomish River corresponds roughly to a Phase 2 in the Snohomish County flood program.
25.00 ft
the Snohomish River will cause minor flooding of lowlands not protected by levees and on the Old Snohomish-Monroe highway. A stage of 25 feet on the Snohomish River corresponds to a Phase 2 in the Snohomish County flood program.
8.00 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

RankLevelDate
134.15 ftDecember 11, 2025
233.50 ftNovember 25, 1990
333.49 ftNovember 8, 2006
433.47 ftJanuary 8, 2009
533.16 ftDecember 4, 1975
633.11 ftNovember 29, 1995
732.86 ftNovember 24, 1986
832.72 ftNovember 10, 1990
931.23 ftDecember 27, 1980
1030.90 ftNovember 18, 2015

Weather at the gauge

The forecast is not available right now.

Sunrise 07:33 AM Sunset 06:16 PM Daylight 10 hr, 43 min First quarter 49%

Map

Other gauges on the Snohomish River

Gauge Level Compared with normal 24 hours Distance
Snohomish River near MonroeRiver gauge, Snohomish River 0.37 ft Very low −0.09 ft 6.0 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Pilchuck River near SnohomishRiver gauge, Pilchuck River 9.94 ft Normal +0.03 ft 2.0 mi
Mission Creek near TulalipRiver gauge, Mission Creek 55.29 ft Very low −0.01 ft 13 mi
Sultan River below Powerplant near SultanRiver gauge, Sultan River 5.09 ft Low −0.48 ft 13 mi
Tulalip Creek near TulalipRiver gauge, Tulalip Creek 7.7 cfs Low −0.7 cfs 14 mi
Sultan River below Diversion Dam near SultanRiver gauge, Sultan River 26.16 ft Normal −0.01 ft 14 mi
Sf Stillaguamish River near Granite FallsRiver gauge, Sf Stillaguamish River 3.72 ft Low +0.34 ft 15 mi
East Fork Tulalip Creek near Mouth near TulalipRiver gauge, East Fork Tulalip Creek 1.8 cfs Very low −0.1 cfs 15 mi
West Fork Tulalip Creek near TulalipRiver gauge, West Fork Tulalip Creek 0.42 ft Low ±0 16 mi

Questions and answers

How does the Snohomish River at Snohomish compare with last year?

It is 3.30 ft lower than on the same day last year, when the reading was 11.30 ft.

What is flood stage for the Snohomish River at Snohomish?

The official flood stage is 25.00 ft. The level is currently 17.00 ft below it.

What is a normal level for the Snohomish River at Snohomish in mid-October?

The median for mid-October is 12.12 ft. In 8 years out of 10 the reading falls between 10.97 ft and 16.55 ft, based on 15 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Snohomish River at Snohomish today?

On Oct 18, 2026, 03:00 AM PDT, the water level was 8.00 ft. Up 0.68 ft over the last 24 hours.

Is Snohomish River at Snohomish rising or falling?

Up 0.68 ft over the last 24 hours. Down 4.36 ft over the last 7 days.

Is the level of Snohomish River at Snohomish normal?

Very low for mid-October. Compared with 15 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:12155500 (Agency page)
Coordinates
47.91100, -122.09875 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 8.00 ft 2026-10-18 10:00 Provisional

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How to cite

U.S. Geological Survey: Snohomish River at Snohomish (usgs:12155500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/snohomish-river-at-snohomish

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer