South Fork Skokomish River Near Union, WA
USGS Site No: 12060500 • South Fork Skokomish River • Mason County, WA
South Fork Skokomish River Near Union, WA on the South Fork Skokomish River is currently at 179 cfs (Very Low — 9th percentile for this date) . Gage height: 0.17 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 | 191 | Today: 179 cfs |
| 25th | Low threshold | 239 | |
| 50th (Median) | Normal (median) | 343 | |
| 75th | High threshold | 501 | |
| 95th | Very High threshold | 738 |
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 | 182 | 0.19 |
| May 27, 2026 | 186 | 0.21 |
| May 26, 2026 | 193 | 0.25 |
| May 25, 2026 | 186 | 0.21 |
| May 24, 2026 | 180 | 0.18 |
| May 23, 2026 | 182 | 0.19 |
| May 22, 2026 | 183 | 0.20 |
| May 21, 2026 | 185 | 0.21 |
| May 20, 2026 | 187 | 0.22 |
| May 19, 2026 | 189 | 0.24 |
| May 18, 2026 | 194 | 0.26 |
| May 17, 2026 | 203 | 0.29 |
| May 16, 2026 | 219 | 0.35 |
| May 15, 2026 | 205 | 0.30 |
| Apr 20, 2026 | 389 | 0.67 |
| Apr 19, 2026 | 402 | 0.69 |
| Apr 18, 2026 | 433 | 0.73 |
| Apr 17, 2026 | 488 | 0.81 |
| Apr 16, 2026 | 579 | 0.91 |
| Apr 15, 2026 | 808 | 1.15 |
| Apr 14, 2026 | 458 | 0.75 |
| Apr 13, 2026 | 351 | 0.62 |
| Apr 12, 2026 | 383 | 0.67 |
| Apr 11, 2026 | 399 | 0.69 |
| Apr 10, 2026 | 385 | 0.67 |
| Apr 9, 2026 | 409 | 0.70 |
| Apr 8, 2026 | 444 | 0.75 |
| Apr 7, 2026 | 490 | 0.81 |
| Apr 6, 2026 | 516 | 0.84 |
| Apr 5, 2026 | 532 | 0.86 |
Station Information
- USGS Site No
- 12060500
- State
- WA
- County
- Mason County
- Coordinates
- 47.3404, -123.2802
- Drainage Area
- 76 mi²
- Datum (ft)
- 105.9
- HUC Code
- 17110017
Recent Extremes
- Max discharge
-
4,930 cfsDec 17, 2025
- Min discharge
-
48 cfsSep 28, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
North Fork Skokomish River Near Potlatch, WAVery High1.9 mi · 261 cfs
-
Skokomish River Near Potlatch, WANormal5.3 mi · 512 cfs
-
Nf Skokomish River near Lwr Cushman Dam near Potlatch, WAVery High5.3 mi · 246 cfs
-
Weaver Creek at Highway 101 Near Potlatch, WAUnknown5.3 mi · 0 cfs
-
Purdy Creek at Hwy101 Near Union, WAUnknown5.3 mi · 0 cfs