South Fork Skykomish River at South Fork

WA · USGS gauge 12131500

Discharge

317

CFS

7-day range

321–352

CFS

Catalog range

200–4,000

CFS · reference

Flood stage

8,000

CFS · catalog

Last 7 days

7-day low 321 CFS high 352 CFS

Source: USGS National Water Information System, gauge 12131500

Reading Jul 26, 7:00 AM PDT

Catalog range and flood stage: Baseline Maps river catalog (reference data, updated with the app). USGS data is provisional and subject to revision.

Drainage

Reach data

  • Gauge location: 47.7110, -121.3607
  • Whitewater classification (catalog): Class III-IV — Expert whitewater; continuous rapids through canyon sections
  • Gauge data cadence: ~15-minute readings (USGS)

FAQ

What USGS gauge measures the South Fork Skykomish River at South Fork?
USGS gauge 12131500. It reports discharge in cubic feet per second (CFS), typically updating every 15 minutes, published by the USGS National Water Information System.
Where does the South Fork Skykomish River flow?
Per the Baseline Maps river catalog, this reach flows into Skykomish River.
What do the fishable-range numbers on this page mean?
They are reference figures from the Baseline Maps river catalog — a compiled low/high discharge range and flood stage for this reach. They are catalog data, not a recommendation; conditions, regulations, and safety are always the angler's own call.

Track this gauge with flow alerts.

Baseline Maps watches USGS gauge 12131500 for you — set a CFS range for the South Fork Skykomish River and get a push notification when the river enters it. Free for 14 days.

Baseline Maps flow alert setup — choosing a CFS range with the current reading shown