Canada
United States
Belgium
France
Ireland
Netherlands
United Kingdom
Austria
Czechia
Germany
Poland
Slovenia
Switzerland
Italy
Spain
Türkiye
Denmark
Finland
Norway
SwedenAu Sable River near Red Oak water level
River gauge, Au Sable River, Michigan, United States
Right now
Below flood stage
Water level
- Flow
- 917 cfs
- Water temperature
- 47 °F
History
The forecast expects the river to fall to 3.00 ft by Friday, October 23 at 02:00 AM. Issued Sunday, October 18 at 10:34 AM by NOAA National Weather Service.
What this means
The Au Sable River near Red Oak is at 3.34 ft, in the normal range.
It is 3.66 ft below the flood stage of 7.00 ft.
It has dropped 0.09 ft over the past 24 hours. The forecast expects the river to fall to 3.00 ft by Friday, October 23 at 02:00 AM. In the last month it has stayed between 3.34 ft and 3.59 ft.
The sensor also reports a water temperature of 47 °F.
Judged against the official flood stage for this gauge. How to read levels
Key numbers
- Highest on record
- 8.88 ftApril 14, 2026
- Forecast peak
- 3.40 ftMonday, October 19 at 08:00 AM
Floating and fishing near Au Sable River near Red Oak
Normal flows mean predictable rapids and good access at most put-ins.
Flood stage here is 7.00 ft, 3.66 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.
Highest crests on record
Chance of at least minor flooding in October to December: < 5 %.
| Rank | Level | Date |
|---|---|---|
| 1 | 8.88 ft | April 14, 2026 |
| 2 | 5.92 ft | April 1, 2025 |
| 3 | 5.79 ft | January 17, 2022 |
| 4 | 5.69 ft | March 31, 2022 |
| 5 | 5.42 ft | April 6, 2023 |
| 6 | 4.38 ft | March 5, 2024 |
| 7 | 4.26 ft | December 17, 2021 |
Weather at the gauge
The forecast is not available right now.
Map
Other gauges on the Au Sable River
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Au Sable River at MioRiver gauge, Au Sable River | 1,060 cfs | High | −80.0 cfs | 8 mi |
| Au Sable River near Mc KinleyRiver gauge, Au Sable River | 1,230 cfs | High | −80.0 cfs | 23 mi |
| Au Sable River near CurtisvilleRiver gauge, Au Sable River | 1,340 cfs | High | −70.0 cfs | 25 mi |
| Au Sable River near Au SableRiver gauge, Au Sable River | 1,300 cfs | Normal | −50.0 cfs | 45 mi |
| Au Sable River near Us23 at OscodaRiver gauge, Au Sable River | 13.91 ft | No reference yet | −0.02 ft | 51 mi |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Nb Au Sable River at Kelloggs Branch near LovellsRiver gauge, Nb Au Sable River | 223 cfs | Very high | −9.0 cfs | 7 mi |
| South Branch Au Sable River near LuzerneRiver gauge, South Branch Au Sable River | 220 cfs | Normal | +4.0 cfs | 9 mi |
| Lake St Helen at St HelenLake, Lake St Helen | 6.35 ft | Low | ±0 | 23 mi |
| Higgins Lake near RoscommonLake, Higgins Lake | 5.33 ft | Very high | +0.01 ft | 26 mi |
| Otsego Lake near GaylordLake, Otsego Lake | 3.70 ft | Very high | +0.02 ft | 26 mi |
| Manistee River near GraylingRiver gauge, Manistee River | 216 cfs | High | −8.0 cfs | 27 mi |
| Houghton Lake near Houghton Lake HeightsLake, Houghton Lake | 8.05 ft | Normal | −0.03 ft | 31 mi |
Questions and answers
What is flood stage for the Au Sable River near Red Oak?
The official flood stage is 7.00 ft. The level is currently 3.66 ft below it.
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 Red Oak today?
On Oct 19, 2026, 11:30 AM EDT, the water level was 3.34 ft. Down 0.09 ft over the last 24 hours.
Is Au Sable River near Red Oak rising or falling?
Down 0.09 ft over the last 24 hours.
Is the level of Au Sable River near Red Oak normal?
Below flood stage. Judged against the official flood stage for this gauge.
What is the highest water level ever recorded at Au Sable River near Red Oak?
The highest level on record is 8.88 ft on April 14, 2026.
Is Au Sable River near Red Oak expected to rise?
The forecast expects the river to fall to 3.00 ft by Friday, October 23 at 02:00 AM.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:04136000(Agency page)- Coordinates
44.67696, -84.29251(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 | 3.34 ft | 2026-10-19 15:30 | Provisional |
| Flow | 917 cfs | 2026-10-19 15:30 | Provisional |
| Water temperature | 47 °F | 2026-10-19 15:00 | Provisional |
Download
Embed this gauge
Add a live card for this gauge to your website. It updates on its own and links back here.
How to cite
U.S. Geological Survey: Au Sable River near Red Oak (usgs:04136000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/michigan/au-sable-river-near-red-oak
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