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Au Sable River near Curtisville water level

River gauge, Au Sable River, Michigan, United States

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Right now

High for mid-October

Water level

8.58ft Down 0.09 ft over the last 24 hours

Flow
1,350 cfs
Water temperature
54 °F
10 13 15 Highest onrecord 15.31 ft

History

History
8.68.8ftOct 16Oct 16Oct 17Oct 18Oct 198.68.8ftOct 16Oct 17Oct 19
Water level

What this means

High water at Au Sable River near Curtisville: the latest reading is 8.58 ft, above normal for mid-October.

It is still going down, by 0.09 ft over the past 24 hours. The 30-day range is 8.57 ft – 9.04 ft.

That stands out in fall, when many rivers are usually near their lowest. The water temperature at the gauge is 54 °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

RankLevelDate
115.31 ftApril 13, 2026
213.56 ftApril 1, 1998
313.54 ftOctober 24, 2017
413.51 ftApril 1, 2016
513.46 ftApril 15, 2014
612.73 ftApril 7, 1997
712.61 ftApril 19, 2013
811.98 ftApril 6, 2023
911.96 ftMay 24, 2004
1011.89 ftApril 28, 2011

Weather at the gauge

The forecast is not available right now.

Sunrise 07:56 AM Sunset 06:46 PM Daylight 10 hr, 50 min First quarter 62%

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 3.33 ft Below flood stage −0.09 ft 25 mi
Au Sable River at MioRiver gauge, Au Sable River 1,040 cfs Normal −80.0 cfs 18 mi
Au Sable River near Mc KinleyRiver gauge, Au Sable River 1,220 cfs High −70.0 cfs 4.0 mi
Au Sable River near Au SableRiver gauge, Au Sable River 1,300 cfs Normal −50.0 cfs 20 mi
Au Sable River near Us23 at OscodaRiver gauge, Au Sable River 13.89 ft No reference yet +0.01 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 43.3 cfs High −3.5 cfs 31 mi
Nb Au Sable River at Kelloggs Branch near LovellsRiver gauge, Nb Au Sable River 222 cfs Very high −7.0 cfs 32 mi
South Branch Au Sable River near LuzerneRiver gauge, South Branch Au Sable River 218 cfs Normal ±0 32 mi
Lake St Helen at St HelenLake, Lake St Helen 6.35 ft Low −0.02 ft 34 mi
Rifle River near SterlingRiver gauge, Rifle River 2.22 ft Below flood stage −0.03 ft 35 mi
Thunder Bay River at Herron Road near BoltonRiver gauge, Thunder Bay River 716 cfs Very high −3.0 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 19, 2026, 03:15 PM EDT, the water level was 8.58 ft. Down 0.09 ft over the last 24 hours.

Is Au Sable River near Curtisville rising or falling?

Down 0.09 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

ParameterLast valueTime (UTC)Quality
Water level 8.58 ft 2026-10-19 19:15 Provisional
Flow 1,350 cfs 2026-10-19 19:15 Provisional
Water temperature 54 °F 2026-10-19 19:15 Provisional

Download

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How to cite

U.S. Geological Survey: Au Sable River near Curtisville (usgs:04137005). Accessed October 19, 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.