Flaming Gorge, Utah

Best Flies For Green River

Updated Apr 24, 2026, 8:21 AM MDT

Small bugs still win here: midges, BWOs, scuds, and sowbugs, fished on a precise nymph rig until the hatch gets obvious.

Current Conditions
  • Flow: Dam-regulated flows keep trout in repeatable holding water unless releases shift hard.
  • Water Temperature: Stable cold water means fish stay active and predictable through long parts of the day.
  • Weather: Light cloud cover helps the hatch and keeps fish less wary in the slicks.
  • Overall Rating: 8/10
Today's Read

Green River is fishing around blue-winged olives and midges. Start with the patterns below and adjust only after fish show you something different.

Best Flies Right Now
  • Pink or tan Scud, size 14-16, nymph
  • Sowbug gray or cream, size 14-18, nymph
  • Zebra Midge black, size 18-20, nymph
  • RS2 olive, size 18-20, emerger
  • CDC BWO, size 18-20, dry
What They Match
  • Blue-winged olives, size 18-20, midday and afternoon
  • Midges, size 18-22, morning and evening
  • Scuds and sowbugs, size 14-18, all day subsurface
How To Fish These Flies
  • Fish long drifts through weed lanes and the soft edges of deeper buckets with small flies and enough weight to stay in the lower half of the column.
  • Target seam lines off grass beds, transition shelves, and quiet slicks below riffle tongues.
  • When fish begin rising consistently, switch to a BWO or midge dry only after you have the right lane and angle. Green fish punish drag quickly.