South Branch Au Sable River near Luzerne, MI
River level and flood forecast · Crawford County
Normal4.6 ftas of Tue 12:30 AM
Flow: 163 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Highest crests on record
- 8.18 ft — April 15, 2026
- 7.46 ft — April 17, 2014
- 7.3 ft — March 28, 1976
- 7.07 ft — April 21, 2013
- 6.87 ft — April 7, 1997
Recent crests: 8.18 ft (April 15, 2026) · 6.15 ft (April 6, 2023) · 6.3 ft (April 8, 2022) · 5.56 ft (December 16, 2021) · 5.27 ft (March 13, 2021)
Up and down the river, and nearby
- DownstreamAu Sable River near Red Oak, MI
- North Branch Au Sable River at Kellogg's Bridge near Lovells, MI
- Au Sable River at Mio (Mio Dam), MI
- Manistee River near Grayling, MI
- Au Sable River near McKinley, MI
- Au Sable River near Curtisville (Alcona Dam), MI
- Pigeon River (N Lower MI) near Vanderbilt, MI
- Tittabawassee River below Secord Dam near Gladwin, MI
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LUZM4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.