Green River Fly Fishing Report
October 6th, 2025
Fall Fishing
The flows on the Green River have dropped down to base level and are running at 800cfs all day. The leaves are beautiful on out on the Green River, air temperatures are really nice, river traffic mild. The fish are a bit skittish in the low water - long casts will produce more fish. There are lots of tiny bugs hatching, size #20-28, and a majority of the fish are keyed into them. Tiny nymphs are producing. The terrestrial bite has been good, but requires persistence. Terrestrial patterns are fishing better later in the day as it warms up out there. Ants, beetles, crickets, & grasshoppers are all productive.
There are lots of 3-4 inch fish out there so small streamers will bring action as well.
The fish are in great shape and fighting hard.
Flaming Gorge Reservoir is at about 83% capacity.
800 CFS
Clearing up
Subject to daily change.
55 F
Temp will drop soon
Low flows likely for a couple of months
A Section : Nymph rigs and streamers have been productive. Dry flies fish well as the day warms up.
B Section: Streamers and nymph rigs have been best. Dry flies will produce with persistence.
C Section: Dry flies and streamers
Hatches:
- Some Tricos in the mornings
- Terrestrials - hoppers, crickets, ants, beetles
Dry Flies
Warm sunny days will fish the best for terrestrial dry flies. Look for tricos and Psuedocloens (small BWO's) - size #22
Best Patterns
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Water Walker all sizes and colors
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Micro Chubby #12
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Parachute Ant #16-22 black
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Triple Double #14-18 purple, black
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Grumpy Frumpy #12-14 royal
Streamers
The fish are looking to put on weight before the spawn and there are lots of little fish in the river right now.
As a general rule: Dark day, dark fly. Bright day, bright fly.
Retrieval speed - mix it up.
0-2x tippet
Best Patterns
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Flash a Bugger
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El Sculpito tan
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Cheech Leech - articulated all colors
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Complex Twist Bugger - all colors
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Tungsten Jig Bugger
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Galloup's Dungeon - articulated all colors
Nymphs
Double nymph rigs with an attractor pattern and a lighter pattern as the second fly. With the water levels dropped the fish are podded up. Some of the guides are nymphing a small streamer as well.
Use 5x tippet
Best Patterns
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Grey Soft Hackle #22
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Scuds #20-22 orange, grey, olive
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Black Beauty #20-24
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