South Branch Au Sable River near Luzerne water level

Name: South Branch Au Sable River near Luzerne 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, South Branch Au Sable River, Michigan, United States

Directions

Normal for mid-October

Water level

4.90ft Steady over the last 24 hours

Measured Oct 20, 2026, 01:30 PM EDT (57 min ago)

Flow: 213 cfs
Water temperature: 49 °F

History

7 days

Water level

What this means

The gauge at South Branch Au Sable River near Luzerne reads 4.90 ft, a normal level for mid-October.

It has barely moved over the past 24 hours. Over the past 30 days it has moved between 4.88 ft and 4.94 ft.

Fall is often low-water season on rivers, until steadier rain returns. The water temperature at the gauge is 49 °F.

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

Key numbers

Highest on record: 8.18 ftApril 15, 2026

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

Highest crests on record

Rank	Level	Date
1	8.18 ft	April 15, 2026
2	7.46 ft	April 17, 2014
3	7.30 ft	March 28, 1976
4	7.07 ft	April 21, 2013
5	6.87 ft	April 7, 1997
6	6.83 ft	April 14, 1971
7	6.82 ft	April 2, 1998
8	6.59 ft	April 25, 2018
9	6.57 ft	March 31, 2016
10	6.56 ft	April 22, 1992

Weather at the gauge

Rain in the last 3 days: 0.74 in. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 57° 41° – Wind 15 mph

19 Mon 62° 40° – Wind 10 mph

20 Tue 64° 45° – Wind 6 mph

21 Wed 65° 44° – Wind 7 mph

22 Thu 62° 48° – Wind 4 mph

23 Fri 64° 46° – Wind 7 mph

24 Sat 64° 50° – Wind 14 mph

Forecast: Open-Meteo

Sunrise 08:00 AM Sunset 06:47 PM Daylight 10 hr, 46 min Waxing gibbous 70%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Nb Au Sable River at Kelloggs Branch near LovellsRiver gauge, Nb Au Sable River	217 cfs	High	−5.0 cfs	7 mi
Au Sable River near Red OakRiver gauge, Au Sable River	3.29 ft	Below flood stage	−0.05 ft	9 mi
Au Sable River at MioRiver gauge, Au Sable River	1,020 cfs	High	−30.0 cfs	16 mi
Higgins Lake near RoscommonLake, Higgins Lake	5.32 ft	Very high	±0	17 mi
Lake St Helen at St HelenLake, Lake St Helen	6.32 ft	Very low	−0.02 ft	17 mi
Manistee River near GraylingRiver gauge, Manistee River	212 cfs	High	−6.0 cfs	20 mi
Houghton Lake near Houghton Lake HeightsLake, Houghton Lake	8.03 ft	Normal	−0.03 ft	22 mi
Otsego Lake near GaylordLake, Otsego Lake	3.69 ft	High	±0	25 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 South Branch Au Sable River near Luzerne today?

On Oct 20, 2026, 01:30 PM EDT, the water level was 4.90 ft. Steady over the last 24 hours.

Is South Branch Au Sable River near Luzerne rising or falling?

Steady over the last 24 hours.

Is the level of South Branch Au Sable River near Luzerne normal?

Normal for mid-October. Compared with 5 years of daily readings for this time of year.

What is the highest water level ever recorded at South Branch Au Sable River near Luzerne?

The highest level on record is 8.18 ft on April 15, 2026.

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:04135700 (Agency page)
Coordinates: 44.61474, -84.45557 (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	4.90 ft	2026-10-20 17:30	Provisional
Flow	213 cfs	2026-10-20 17:30	Provisional
Water temperature	49 °F	2026-10-20 17:30	Provisional

Download

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How to cite

U.S. Geological Survey: South Branch Au Sable River near Luzerne (usgs:04135700). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/michigan/south-branch-au-sable-river-near-luzerne

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