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Sultan River below Diversion Dam near Sultan water level

River gauge, Sultan River, Washington, United States

Directions

Right now

Normal for mid-October

Water level

26.15ft Steady over the last 24 hours

Flow
181 cfs
Water temperature
51 °F
26.0 26.5 27.0

History

History
26.026.527.0ftOct 13Oct 14Oct 16Oct 17Oct 1926.026.527.0ftOct 13Oct 16Oct 19
26272829ftSep 20Sep 27Oct 4Oct 11Oct 1926272829ftSep 20Oct 4Oct 19
102030ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026102030ftOct 2025Apr 2026Oct 2026
102030ftJanMarMayJulSepNov2026102030ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

The Sultan River below Diversion Dam near Sultan is at 26.15 ft, in the normal range for mid-October.

That puts it 0.06 ft below the median of 26.21 ft for mid-October, based on 34 years of readings. A year ago it stood at 26.21 ft (−0.06 ft).

The level has held steady over the past 24 hours. In the last month it has stayed between 26.15 ft and 26.36 ft.

Fall is often low-water season on rivers, until steadier rain returns. The sensor also reports a water temperature of 51 °F.

Compared with 34 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
26.21 ft0.06 ft below the median for this date
Normal for this date
26.07 ft – 27.16 ft8 years in 10 fall in this range (34 years of records)
Same day last year
26.21 ft−0.06 ft
Lowest and highest in 30 days
26.15 ft – 26.36 ft
Lowest and highest in 12 months
25.70 ft – 33.05 ft

Floating and fishing near Sultan River below Diversion Dam near Sultan

Normal flows mean predictable rapids and good access at most put-ins.

Weather at the gauge

Rain in the last 3 days: 0.71 in. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 56° 40° – Wind 6 mph
19 Mon 56° 47° – Wind 6 mph
20 Tue 62° 45° – Wind 7 mph
21 Wed 66° 48° – Wind 5 mph
22 Thu 56° 41° – Wind 7 mph
23 Fri 49° 40° 0.00 in, 33% Wind 5 mph
24 Sat 59° 38° 0.37 in, 31% Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:33 AM Sunset 06:13 PM Daylight 10 hr, 40 min First quarter 56%

Map

Other gauges on the Sultan River

Gauge Level Compared with normal 24 hours Distance
Sultan River below Powerplant near SultanRiver gauge, Sultan River 5.10 ft Low ±0 3.7 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
South Fork Sultan River near SultanRiver gauge, South Fork Sultan River 8.53 ft Normal −0.22 ft 8 mi
Skykomish River near Gold BarRiver gauge, Skykomish River 4.44 ft Normal +0.05 ft 10 mi
Sf Stillaguamish River near Granite FallsRiver gauge, Sf Stillaguamish River 3.63 ft Low −0.03 ft 12 mi
Pilchuck River near SnohomishRiver gauge, Pilchuck River 10.00 ft Normal +0.08 ft 13 mi
Snohomish River at SnohomishRiver gauge, Snohomish River 12.33 ft Normal −0.40 ft 14 mi
Snohomish River near MonroeRiver gauge, Snohomish River 0.39 ft Very low +0.09 ft 15 mi
Nf Tolt River above Yellow Creek near CarnationRiver gauge, Nf Tolt River 50.5 cfs Low −20.0 cfs 17 mi
Sf Tolt River below Regulating Basin near CarnationRiver gauge, Sf Tolt River 3.12 ft Very low −0.02 ft 18 mi

Questions and answers

How does the Sultan River below Diversion Dam near Sultan compare with last year?

It is 0.06 ft lower than on the same day last year, when the reading was 26.21 ft.

What is a normal level for the Sultan River below Diversion Dam near Sultan in mid-October?

The median for mid-October is 26.21 ft. In 8 years out of 10 the reading falls between 26.07 ft and 27.16 ft, based on 34 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 Sultan River below Diversion Dam near Sultan today?

On Oct 18, 2026, 10:15 PM PDT, the water level was 26.15 ft. Steady over the last 24 hours.

Is Sultan River below Diversion Dam near Sultan rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Sultan River below Diversion Dam near Sultan normal?

Normal for mid-October. Compared with 34 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:12137800 (Agency page)
Coordinates
47.95927, -121.79734 (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 26.15 ft 2026-10-19 05:15 Provisional
Flow 181 cfs 2026-10-19 05:15 Provisional
Water temperature 51 °F 2026-10-19 05:15 Provisional

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How to cite

U.S. Geological Survey: Sultan River below Diversion Dam near Sultan (usgs:12137800). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/sultan-river-below-diversion-dam-near-sultan

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.