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Tolt River near Carnation water level

River gauge, Tolt River, Washington, United States

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Right now

Low for mid-October

Water level

4.60ft Up 0.24 ft over the last 24 hours

Flow
163 cfs
Water temperature
51 °F
5 6

History

History
56ftOct 12Oct 13Oct 15Oct 16Oct 1856ftOct 12Oct 15Oct 18
56ftSep 19Sep 26Oct 3Oct 10Oct 1856ftSep 19Oct 3Oct 18
46810ftOct 2025Jan 2026Apr 2026Jul 2026Oct 202646810ftOct 2025Apr 2026Oct 2026
46810ftJanMarMayJulSepNov202646810ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

Low water at Tolt River near Carnation: the gauge reads 4.60 ft, below normal for mid-October.

The median for mid-October is 5.02 ft, based on 41 years of readings, so the river stage is 0.42 ft below typical. On the same day last year the reading was 4.54 ft, a difference of +0.06 ft.

It is on the way up, by 0.24 ft over the past 24 hours. The 30-day range is 4.30 ft – 5.11 ft.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that. The water temperature at the gauge is 51 °F.

Compared with 41 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
5.02 ft0.42 ft below the median for this date
Normal for this date
4.39 ft – 6.21 ft8 years in 10 fall in this range (41 years of records)
Same day last year
4.54 ft+0.06 ft
Lowest and highest in 30 days
4.30 ft – 5.11 ft
Lowest and highest in 12 months
4.30 ft – 9.65 ft

Paddling and fishing conditions

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

Weather at the gauge

Rain in the last 3 days: 0.03 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 59° 47° 0.16 in, 74% Wind 8 mph
18 Sun 58° 41° – Wind 5 mph
19 Mon 57° 44° – Wind 3 mph
20 Tue 58° 40° – Wind 5 mph
21 Wed 64° 44° – Wind 4 mph
22 Thu 57° 43° – Wind 5 mph
23 Fri 57° 38° – Wind 4 mph

Forecast: Open-Meteo

Sunrise 07:31 AM Sunset 06:15 PM Daylight 10 hr, 44 min First quarter 47%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Sf Tolt River below Regulating Basin near CarnationRiver gauge, Sf Tolt River 3.14 ft Very low +0.02 ft 1.7 mi
Nf Tolt River above Yellow Creek near CarnationRiver gauge, Nf Tolt River 72.0 cfs Low +40.6 cfs 4.1 mi
Snoqualmie River near CarnationRiver gauge, Snoqualmie River 44.61 ft Very low +0.09 ft 5.1 mi
South Fork Tolt River near CarnationRiver gauge, South Fork Tolt River 1.88 ft Low +0.01 ft 5.2 mi
Nf Snoqualmie River near Snoqualmie FallsRiver gauge, Nf Snoqualmie River 2.33 ft Low +0.24 ft 8 mi
Phelps Creek below Unnamed Tributary near IndexRiver gauge, Phelps Creek 5.80 ft Low +0.01 ft 10 mi
Snoqualmie River near SnoqualmieRiver gauge, Snoqualmie River 2.63 ft Very low +0.08 ft 10 mi
South Fork Tolt River near IndexRiver gauge, South Fork Tolt River 0.87 ft Low +0.17 ft 10 mi

Questions and answers

Is the Tolt River near Carnation higher than last year?

Yes, it is 0.06 ft higher than on the same day last year, when the reading was 4.54 ft.

What is a normal level for the Tolt River near Carnation in mid-October?

The median for mid-October is 5.02 ft. In 8 years out of 10 the reading falls between 4.39 ft and 6.21 ft, based on 41 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 Tolt River near Carnation today?

On Oct 17, 2026, 10:15 PM PDT, the water level was 4.60 ft. Up 0.24 ft over the last 24 hours.

Is Tolt River near Carnation rising or falling?

Up 0.24 ft over the last 24 hours. Steady over the last 7 days.

Is the level of Tolt River near Carnation normal?

Low for mid-October. Compared with 41 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:12148500 (Agency page)
Coordinates
47.69566, -121.82401 (WGS84)
Vertical datum
NGVD29
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 4.60 ft 2026-10-18 05:15 Provisional
Flow 163 cfs 2026-10-18 05:15 Provisional
Water temperature 51 °F 2026-10-18 05:15 Provisional

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How to cite

U.S. Geological Survey: Tolt River near Carnation (usgs:12148500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/tolt-river-near-carnation

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.