Au Sable River near Curtisville water level

Name: Au Sable River near Curtisville 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, Au Sable River, Michigan, United States

Directions

High for mid-October

Water level

8.42ft Down 0.16 ft over the last 24 hours

Measured Oct 20, 2026, 03:15 PM EDT (1 hour ago)

Flow: 1,260 cfs
Water temperature: 52 °F

History

7 days

Water level

What this means

High water at Au Sable River near Curtisville: the latest reading is 8.42 ft, above normal for mid-October.

It is still going down, by 0.16 ft over the past 24 hours. The 30-day range is 8.42 ft – 9.04 ft.

That stands out in fall, when many rivers are usually near their lowest. The water temperature at the gauge is 52 °F.

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

Key numbers

Highest on record: 15.31 ftApril 13, 2026

Paddling and fishing conditions

Above-normal flows push fish to the edges and make wading risky. Wait for the river to drop and clear.

Highest crests on record

Rank	Level	Date
1	15.31 ft	April 13, 2026
2	13.56 ft	April 1, 1998
3	13.54 ft	October 24, 2017
4	13.51 ft	April 1, 2016
5	13.46 ft	April 15, 2014
6	12.73 ft	April 7, 1997
7	12.61 ft	April 19, 2013
8	11.98 ft	April 6, 2023
9	11.96 ft	May 24, 2004
10	11.89 ft	April 28, 2011

Weather at the gauge

No rain in the last 3 days.

20 Tue 63° 38° – Wind 7 mph

21 Wed 64° 41° – Wind 7 mph

22 Thu 65° 43° – Wind 6 mph

23 Fri 65° 45° – Wind 5 mph

24 Sat 67° 47° – Wind 10 mph

25 Sun 71° 51° 0.01 in Wind 10 mph

26 Mon 50° 37° 0.21 in Wind 9 mph

Forecast: Open-Meteo

Sunrise 07:57 AM Sunset 06:44 PM Daylight 10 hr, 47 min Waxing gibbous 71%

Map

Other gauges on the Au Sable River

Gauge	Level	Compared with normal	24 hours	Distance
Au Sable River near Red OakRiver gauge, Au Sable River	3.29 ft	Below flood stage	−0.04 ft	25 mi
Au Sable River at MioRiver gauge, Au Sable River	1,020 cfs	High	−30.0 cfs	18 mi
Au Sable River near Mc KinleyRiver gauge, Au Sable River	1,180 cfs	High	−40.0 cfs	4.0 mi
Au Sable River near Au SableRiver gauge, Au Sable River	1,300 cfs	Normal	±0	20 mi
Au Sable River near Us23 at OscodaRiver gauge, Au Sable River	13.59 ft	No reference yet	−0.27 ft	25 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
East Branch Au Gres River at E Andrews Road near AlabasterRiver gauge, East Branch Au Gres River	41.3 cfs	High	−1.3 cfs	31 mi
Nb Au Sable River at Kelloggs Branch near LovellsRiver gauge, Nb Au Sable River	217 cfs	High	−3.0 cfs	32 mi
South Branch Au Sable River near LuzerneRiver gauge, South Branch Au Sable River	211 cfs	Normal	−7.0 cfs	32 mi
Lake St Helen at St HelenLake, Lake St Helen	6.33 ft	Low	−0.02 ft	34 mi
Rifle River near SterlingRiver gauge, Rifle River	2.25 ft	Below flood stage	+0.03 ft	35 mi
Thunder Bay River at Herron Road near BoltonRiver gauge, Thunder Bay River	676 cfs	Very high	−40.0 cfs	40 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 Au Sable River near Curtisville today?

On Oct 20, 2026, 03:15 PM EDT, the water level was 8.42 ft. Down 0.16 ft over the last 24 hours.

Is Au Sable River near Curtisville rising or falling?

Down 0.16 ft over the last 24 hours.

Is the level of Au Sable River near Curtisville normal?

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

What is the highest water level ever recorded at Au Sable River near Curtisville?

The highest level on record is 15.31 ft on April 13, 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:04137005 (Agency page)
Coordinates: 44.56085, -83.80276 (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	8.42 ft	2026-10-20 19:15	Provisional
Flow	1,260 cfs	2026-10-20 19:15	Provisional
Water temperature	52 °F	2026-10-20 19:15	Provisional

Download

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How to cite

U.S. Geological Survey: Au Sable River near Curtisville (usgs:04137005). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/michigan/au-sable-river-near-curtisville

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