Washington · river

Snoqualmie River

The Snoqualmie River is a 45-mile (72 km) long river in King County and Snohomish County in the U.S. state of Washington. The river's three main tributaries are the North, Middle, and South Forks, which drain the west side of the Cascade Mountains near the town of North Bend and join near the town of Snoqualmie just above the Snoqualmie Falls. From Wikipedia

Length
43 mi
Elevation
16 ft
Flows into
Snohomish River

Flow now

Snoqualmie River Near Carnation, WA, 0 mi from the river.

2,750cfsat build, Nov 12, 11 AM MT

02,9705,940Oct 12Nov 11

The typical week here, from 10 years of record: 2,310 cfs to 5,940 cfs, around 3,690 cfs.

Also gauged at Tolt River Near Carnation, WA: 266 cfs, Nov 12.

Snowpack

0.0 in of water in the snow at Alpine Meadows and 2 more stations, against a median 0.2 in for the date (14 % of normal).

The snowpack here usually builds from Nov 13, peaks Apr 19 and is gone by Jun 28; runoff follows the melt.

The season, November

Usually workable this week. Pick your window and fish it well.

  • Midgessizes 18 to 22
  • Small eggs and worms
  • Pheasant tail and zebra midge nymphsunder an indicator

Typical for the week over 10 years: 2,310 to 5,940 cfs. Running 2,750 cfs today, inside that range. Flows are not forecast; check the gauge the day before.

Brown Trout are spawning (October to December). Stay off clean, light-coloured gravel in riffle tails and pool tailouts, and leave paired fish alone.

Brook Trout are spawning (September to November). Stay off clean, light-coloured gravel in riffle tails and pool tailouts, and leave paired fish alone.

Mountain Whitefish are spawning (October to December). The egg bite behind spawning whitefish is the best winter nymphing of the year: an egg pattern below the riffles.

  • Flows swing a lot this week most years. Carry both a heavy nymph rig and a dry-dropper and let the gauge decide.
  • Egg patterns in the runs below the spawning gravel, never on it.

Written by the app's rules engine from the calendar, the gauge record and the snowpack, not by hand, so it says only what the data says. The weather for the week comes with the app.

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Flows from the U.S. Geological Survey, snowpack from the NRCS SNOTEL network, text from Wikipedia (CC BY-SA 4.0). Built Nov 12.