Siuslaw River near Alma water level

Name: Siuslaw River near Alma 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, Siuslaw River, Oregon, United States

Directions

Latest reading

Water level

10.33ft Steady over the last 24 hours

Measured Oct 19, 2026, 06:15 AM PDT (1 hour ago)

Flow: 45.1 cfs
Water temperature: 51 °F

History

7 days

Water level

What this means

The Siuslaw River near Alma reads 10.33 ft as of Oct 19, 2026, 06:15 AM PDT. The agency publishes no normal range or warning level for this river yet, so there is nothing to judge the number against.

The level has held steady over the past 24 hours. In the last month it has stayed between 10.27 ft and 10.33 ft.

The sensor also reports a water temperature of 51 °F.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Floating and fishing near Siuslaw River near Alma

Use the recent trend as your guide, and ask locally which gage height makes for a good float.

Weather at the gauge

No rain in the last 3 days.

19 Mon 65° 47° – Wind 6 mph

20 Tue 76° 47° – Wind 7 mph

21 Wed 76° 49° – Wind 4 mph

22 Thu 68° 44° – Wind 10 mph

23 Fri 62° 41° – Wind 6 mph

24 Sat 66° 37° – Wind 6 mph

25 Sun 73° 43° – Wind 4 mph

Forecast: Open-Meteo

Sunrise 07:35 AM Sunset 06:26 PM Daylight 10 hr, 51 min First quarter 59%

Map

Other gauges on the Siuslaw River

Gauge	Level	Compared with normal	24 hours	Distance
Siuslaw River near MapletonRiver gauge, Siuslaw River	2.87 ft	Below flood stage	±0	17 mi
Siuslaw River at Highway 101 Bridge, at FlorenceEstuary gauge, Siuslaw River	8.99 ft	No reference yet	−0.39 ft	25 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Long Tom River near NotiRiver gauge, Long Tom River	14.3 cfs	Low	±0	13 mi
Long Tom River near AlvadoreRiver gauge, Long Tom River	282 cfs	Low	−59.0 cfs	21 mi
East Fork Lobster Creek near AlseaRiver gauge, East Fork Lobster Creek	1.4 cfs	Normal	+0.1 cfs	23 mi
Umpqua River near ElktonRiver gauge, Umpqua River	2.88 ft	Below flood stage	−0.01 ft	23 mi
Willamette River at EugeneRiver gauge, Willamette River	9.76 ft	Low	±0	28 mi
McKenzie River near CoburgRiver gauge, McKenzie River	1,730 cfs	Low	−10.0 cfs	31 mi
Coast Fork Willamette River below Cottage Grove DamRiver gauge, Coast Fork Willamette River	113 cfs	Low	−2.0 cfs	31 mi
Long Tom River at MonroeRiver gauge, Long Tom River	5.23 ft	Below flood stage	−0.01 ft	31 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 Siuslaw River near Alma today?

On Oct 19, 2026, 06:15 AM PDT, the water level was 10.33 ft. Steady over the last 24 hours.

Is Siuslaw River near Alma rising or falling?

Steady over the last 24 hours.

Is the level of Siuslaw River near Alma normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

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:14306950 (Agency page)
Coordinates: 43.92114, -123.61158 (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	10.33 ft	2026-10-19 13:15	Provisional
Flow	45.1 cfs	2026-10-19 13:15	Provisional
Water temperature	51 °F	2026-10-19 13:15	Provisional

Download

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How to cite

U.S. Geological Survey: Siuslaw River near Alma (usgs:14306950). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/oregon/siuslaw-river-near-alma

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