Daily River Forecast

Green River

Flaming Gorge, Utah

Green River | Flaming Gorge, Utah | Updated October 28, 2026 | Station: Green River near Greendale, UT

  • Fish deep runs and slow seams with a slow drag-free drift close to the bottom.
  • Use Indicator Nymphing Rig.
  • Favor Heavy beadhead nymphs, slim profiles, realistic wingpads.
What's active
Fish this
BWOs, size 18-20, Midday (10:00 AM–2:00 PM)
Juju Baetis, size 18-20; Sparkle Dun, size 18-20, dry; RS2, size 18-20, emerger
Midges, size 20-22, Midday (10:00 AM–2:00 PM)
Zebra Midge, size 20-22, nymph; Disco Midge, size 20-22; Top Secret Midge, size 20-22
Scuds, size 16-18, Morning (6:00 AM–10:00 AM)
Olive Scud, size 16-18; Ray Charles, size 16-18; Apex Scud, size 16-18
Caddis, size 16-18, Midday (10:00 AM–2:00 PM)
No matching fly supplied
Stoneflies, size 12-14, Evening (6:00 PM–10:00 PM)
No matching fly supplied
Flow2,190 cfs and steady
Water Temp49°F
WeatherOvercast
Rating7/10 · Good

Clear water and moderate late-October flows require accurate subsurface presentations to target resident trout. BWOs and midges dominate the tailwater entomology under overcast skies.

The Green below Flaming Gorge Dam is one of the West's signature tailwaters, known for clear water, strong bug life, and high trout density. The river is split into recognizable sections, but the core pattern is the same: technical presentations in stable holding water.

Rainbows and browns are the primary quarry. Anglers know the river for productive nymphing, selective dry-fly fishing, and trout that feed heavily on small invertebrates year-round.