Au Sable River Near Au Sable, MI
USGS Site No: 04137500 • Au Sable River • Iosco County, MI
Au Sable River Near Au Sable, MI on the Au Sable River is currently at 1,510 cfs (Normal — 68th percentile for this date) . Gage height: 8.97 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 1,010 | |
| 25th | Low threshold | 1,170 | |
| 50th (Median) | Normal (median) | 1,340 | |
| 75th | High threshold | 1,580 | Today: 1,510 cfs |
| 95th | Very High threshold | 2,130 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 29, 2026 | 1,630 | — |
| May 28, 2026 | 1,830 | — |
| May 27, 2026 | 2,000 | — |
| May 26, 2026 | 2,000 | — |
| May 25, 2026 | 1,910 | — |
| May 24, 2026 | 1,830 | — |
| May 23, 2026 | 2,030 | — |
| May 22, 2026 | 2,130 | — |
| May 21, 2026 | 2,310 | — |
| May 20, 2026 | 2,560 | — |
| May 19, 2026 | 2,560 | — |
| May 18, 2026 | 1,790 | — |
| May 17, 2026 | 1,800 | — |
| May 16, 2026 | 1,800 | — |
| May 15, 2026 | 1,930 | — |
| Apr 21, 2026 | 3,010 | — |
| Apr 20, 2026 | 3,170 | — |
| Apr 19, 2026 | 3,860 | — |
| Apr 18, 2026 | 4,740 | — |
| Apr 17, 2026 | 5,090 | — |
| Apr 16, 2026 | 6,180 | — |
| Apr 15, 2026 | 7,500 | — |
| Apr 14, 2026 | 7,210 | — |
| Apr 13, 2026 | 7,230 | — |
| Apr 12, 2026 | 3,590 | — |
| Apr 11, 2026 | 2,580 | — |
| Apr 10, 2026 | 2,370 | — |
| Apr 9, 2026 | 2,410 | — |
| Apr 8, 2026 | 2,660 | — |
| Apr 7, 2026 | 2,470 | — |
Station Information
- USGS Site No
- 04137500
- State
- MI
- County
- Iosco County
- Coordinates
- 44.4364, -83.4339
- Drainage Area
- 1,739 mi²
- Datum (ft)
- 583.4
- HUC Code
- 04070007
Recent Extremes
- Max discharge
-
7,500 cfsApr 15, 2026
- Min discharge
-
499 cfsJan 21, 2026
Computed from the local daily-values archive.
Nearby Gauges
-
Van Etten Creek at Highway F-41 at Oscoda, MIVery High4.6 mi · 189 cfs
-
Pine River at Kings Corner Road near Oscoda, MIUnknown5.4 mi · 0 cfs
-
Au Sable River Near Curtisville, MIHigh20.1 mi · 1,430 cfs
-
East Branch Au Gres River at East Andrews Road near Alabaster, MIVery High21.6 mi · 66 cfs
-
Au Sable River Near Mc Kinley, MIHigh23.3 mi · 1,520 cfs