South Branch Au Sable River Near Luzerne, Mi Realtime Data
SOUTH BRANCH AU SABLE RIVER NEAR LUZERNE, MI
Realtime Data • Report • Conditions
218
Discharge (cfs)
4.8
Gauge Height (ft)
USGS 04135700
Streamflow discharge was last observed at 218 cfs, and a gauge height of 4.80 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 212 .
Weather today, Tomorrow,
The river is fed by several tributaries, including the East Branch, West Branch, and North Branch, and flows into Lake Huron. There are no major dams on the South Branch, but several smaller ones exist upstream. The river experiences seasonal trends with higher flows in the spring due to snowmelt and precipitation, and lower flows in the summer and fall. Interesting facts about the hydrology of the river include its popularity for fly fishing and the presence of endangered species such as the Michigan grayling.
August 11, 2026
| Elevation | 1,070.0 ft |
| Last Updated | |
| Gage height, ft | 4.8 ft |
| Stream water level elevation above NAVD 1988, in ft | 1063.77 ft |
| Temperature, water, °C | 16.9 deg C |
| Streamflow, ft³/s | 218.0 ft3/s |
| Percent of Normal | 196% |
| Year Over Year Average | 111 cfs |
| 24hr Flow Prediction | cfs |
| Maximum Recorded | 1,460 cfs |
| Geolocation | 44.61, -84.46 |
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