Cascade River at Marblemount water level

Name: Cascade River at Marblemount water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Cascade River, Washington, United States

Directions

Low for mid-October

Water level

11.79ft Up 0.44 ft over the last 24 hours

Measured Oct 17, 2026, 01:45 PM PDT (29 min ago)

Flow: 284 cfs
Water temperature: 51 °F

History

7 days

Water level

What this means

At 11.79 ft, the Cascade River at Marblemount is below normal for mid-October.

The water is rising: up 0.44 ft over the past 24 hours. Over the past 30 days it has moved between 11.33 ft and 11.79 ft.

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

Compared with 5 years of daily readings for this time of year. How to read levels

What the stage means on the water

Low water means more dragging on shallow riffles and slower floats. Fish crowd into the deeper runs, and warm, low water stresses them, so play and release them quickly.

Weather at the gauge

No rain in the last 3 days.

17 Sat 60° 48° 0.05 in, 84% Wind 10 mph

18 Sun 58° 41° – Wind 3 mph

19 Mon 60° 47° – Wind 4 mph

20 Tue 67° 46° – Wind 5 mph

21 Wed 69° 49° – Wind 6 mph

22 Thu 61° 48° 0.12 in, 52% Wind 5 mph

23 Fri 52° 43° 0.09 in, 49% Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:29 AM Sunset 06:14 PM Daylight 10 hr, 45 min First quarter 43%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Skagit River at MarblemountRiver gauge, Skagit River	3.54 ft	Normal	−0.24 ft	0.8 mi
Skagit River above Diobsud Creek near MarblemountRiver gauge, Skagit River	2.32 ft	Very low	−0.12 ft	2.4 mi
Skagit River at CorkindaleRiver gauge, Skagit River	2.14 ft	Low	−0.04 ft	2.7 mi
Bacon Creek below Oakes Creek near MarblemountRiver gauge, Bacon Creek	4.26 ft	Normal	+0.05 ft	5.5 mi
Skagit River below Damnation Creek near MarblemountRiver gauge, Skagit River	7.71 ft	High	+0.28 ft	8 mi
Sauk River near SaukRiver gauge, Sauk River	2.45 ft	Very low	+0.04 ft	10 mi
Skagit River below Babcock Creek near NewhalemRiver gauge, Skagit River	28.61 ft	High	−0.07 ft	11 mi
Skagit River at NewhalemRiver gauge, Skagit River	83.58 ft	High	−0.71 ft	13 mi

Questions and answers

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 Cascade River at Marblemount today?

On Oct 17, 2026, 01:45 PM PDT, the water level was 11.79 ft. Up 0.44 ft over the last 24 hours.

Is Cascade River at Marblemount rising or falling?

Up 0.44 ft over the last 24 hours.

Is the level of Cascade River at Marblemount normal?

Low for mid-October. Compared with 5 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.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:12182500 (Agency page)
Coordinates: 48.52623, -121.41540 (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

Parameter	Last value	Time (UTC)	Quality
Water level	11.79 ft	2026-10-17 20:45	Provisional
Flow	284 cfs	2026-10-17 20:45	Provisional
Water temperature	51 °F	2026-10-17 20:45	Provisional

Download

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How to cite

U.S. Geological Survey: Cascade River at Marblemount (usgs:12182500). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/cascade-river-at-marblemount

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