Alsea River Near Tidewater, OR
USGS Site No: 14306500 • Alsea River • Lincoln County, OR
Alsea River Near Tidewater, OR on the Alsea River is currently at 275 cfs (Normal — 45th percentile for this date) . Gage height: 2.12 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 88 | |
| 25th | Low threshold | 129 | |
| 50th (Median) | Normal (median) | 311 | Today: 275 cfs |
| 75th | High threshold | 668 | |
| 95th | Very High threshold | 2,070 |
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 28, 2026 | 287 | — |
| May 27, 2026 | 311 | — |
| May 26, 2026 | 330 | — |
| May 25, 2026 | 300 | — |
| May 24, 2026 | 302 | — |
| May 23, 2026 | 311 | — |
| May 22, 2026 | 320 | — |
| May 21, 2026 | 331 | — |
| May 20, 2026 | 341 | — |
| May 19, 2026 | 355 | — |
| May 18, 2026 | 381 | — |
| May 17, 2026 | 432 | — |
| May 16, 2026 | 431 | — |
| May 15, 2026 | 381 | — |
| Apr 20, 2026 | 1,050 | — |
| Apr 19, 2026 | 1,180 | — |
| Apr 18, 2026 | 1,380 | — |
| Apr 17, 2026 | 1,650 | — |
| Apr 16, 2026 | 2,150 | — |
| Apr 15, 2026 | 2,060 | — |
| Apr 14, 2026 | 689 | — |
| Apr 13, 2026 | 724 | — |
| Apr 12, 2026 | 763 | — |
| Apr 11, 2026 | 652 | — |
| Apr 10, 2026 | 648 | — |
| Apr 9, 2026 | 677 | — |
| Apr 8, 2026 | 710 | — |
| Apr 7, 2026 | 753 | — |
| Apr 6, 2026 | 812 | — |
| Apr 5, 2026 | 884 | — |
Station Information
- USGS Site No
- 14306500
- State
- OR
- County
- Lincoln County
- Coordinates
- 44.3860, -123.8318
- Drainage Area
- 334 mi²
- Datum (ft)
- 48.2
- HUC Code
- 17100205
Flood Stage Thresholds
- Action Stage
- 16.0 ft
- Flood Stage
- 18.0 ft
- Moderate Flood
- 21.0 ft
- Major Flood
- 23.0 ft
Currently 15.88 ft below flood stage.
Recent Extremes
- Max discharge
-
19,400 cfsDec 19, 2025
- Min discharge
-
62 cfsSep 28, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
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East Fork Lobster Creek Near Alsea, Or.Normal13.6 mi · 3 cfs
-
Big Elk Creek Near Elk City, ORUnknown15.1 mi · 53 cfs
-
Siuslaw River Near Mapleton, ORNormal22.5 mi · 358 cfs
-
Lake Creek at Swisshome, ORUnknown22.8 mi · 181 cfs
-
Siletz River at Siletz, ORNormal22.9 mi · 237 cfs