Upper Delaware, New York
West Branch Delaware Fishing Report: August 30, 2026
The West Branch remains cold and fishable at Hale Eddy, with 591 cfs, 49.5 F water, a 500 cfs Cannonsville release, and late-summer olives, flying ants, Isonychias, Cahills, and tan caddis driving the plan.
- Status
- good
- Flow trend
- falling
- Best window
- Morning shade, then late afternoon into evening if showers stay light
- Best methods
- dry flies, wet flies, nymphs
Quick Summary
The West Branch is still the strongest trout option in this morning's New York set. USGS showed 591 cfs, 2.93 feet, and 49.5 F at Hale Eddy during the morning check, and current Upper Delaware source context reported a 500 cfs Cannonsville release with olives, flying ants, sporadic sulphurs, Isonychias, Cahills, and tan caddis in play. The river is down from yesterday morning and cold enough for all-day trout safety, but the best dry-fly window should still be shade, softer light, and any cloud or light shower period. Wade carefully at Hale Eddy and keep subsurface work lower on the West Branch if algae is fouling nymph rigs up top.
Conditions Snapshot
| Field | Value |
|---|---|
| Status | Good. Cold tailwater temperatures, moderate flow, and current hatch activity make the West Branch a practical go-to today |
| Flow | 591 cfs at Hale Eddy during the morning check |
| Gauge Height | 2.93 feet at Hale Eddy |
| Water Temp | 49.5 F at Hale Eddy |
| Clarity | Not reported by official gauges; current local context keeps the West Branch in fishable shape |
| Trend | Falling compared with yesterday morning |
| Best Window | Morning shade, then late afternoon into evening if showers stay light |
| Best Method | Dry flies and emergers for olives, flying ants, sulphurs, Isonychias, Cahills, and tan caddis; wet flies or light nymphs where algae is not a problem |
| Wadeability | Limited. Use known gravel, softer edges, and conservative crossings; boats still cover the river more efficiently |
Weather
For Hancock and Hale Eddy, the National Weather Service forecast calls for mostly cloudy skies with a high near 80 F, light southwest wind around 1 to 5 mph, and a 30 percent chance of showers after 4 p.m. Rainfall is expected to stay under a tenth of an inch if showers develop. The cloud cover and light wind help small dry-fly presentations, but check the sky before committing to a long float late in the day.
River Notes
Hale Eddy is lower than yesterday morning and sitting in a comfortable tailwater range. The temperature is excellent for trout, and the flow gives fish enough cover along banks, riffle edges, foam seams, and slicks without making the river unfishable. Wading is better than it was during the recent higher water, but it is still not a green light for casual crossings.
Current local context supports a dry-fly-first approach. The upper West Branch algae note matters: if nymphs are coming back dirty every few casts, stop forcing that rig and switch to dries, wets, or a lower-river lane where the drift stays cleaner. A short streamer test is reasonable under clouds or light rain, but the main program is still late-summer technical trout fishing.
Hatch Activity
Official gauges do not report hatches. Current Upper Delaware source context supports Blue Winged Olives, flying ants, sporadic Sulphurs, Isonychias, Light Cahills or Summer Stenos, and tan caddis.
| Hatch | Size | Notes |
|---|---|---|
| Blue Winged Olive | 16-24 | Best in shade, cloud cover, slicks, and softer seams; carry both larger olives and small technical patterns |
| Flying Ant | 18-24 | Key late-summer search pattern along banks, foam lines, tailouts, and selective risers |
| Sulphur | 16-20 | Sporadic, but still worth carrying for afternoon and evening tailwater fish |
| Isonychia or Slate Drake | 10-14 | Blind-cast dries, wets, or swimming nymphs along broken banks and riffle edges |
| Light Cahill or Summer Steno | 14-16 | Useful for mixed evening rise forms and searching faster edges |
| Tan Caddis | 16-20 | Fish pupa, soft hackles, or sparse dries around riffles and shaded seams |
Recommended Flies
| Category | Fly | Size | Notes |
|---|---|---|---|
| Dry | BWO Comparadun, CDC Olive, or olive emerger | 16-24 | Use on shaded slicks, soft seams, and small olive feeders |
| Dry | Flying Ant, foam ant, or small beetle | 18-24 | Fish banks, foam seams, and quiet tailouts before changing flies repeatedly |
| Dry | Sulphur Sparkle Dun or emerger | 16-20 | Keep ready for sporadic afternoon or evening sulphur feeders |
| Dry | Isonychia Parachute, Slate Drake, Light Cahill, or Summer Steno | 10-16 | Cover broken banks and mixed larger mayfly activity |
| Wet | Soft Hackle Pheasant Tail, Isonychia Wet, or partridge soft hackle | 12-18 | Swing riffle tails and bank seams when rises are scattered |
| Nymph | Pheasant Tail, Frenchie, caddis pupa, or Isonychia Nymph | 12-20 | Use where the bottom is cleaner; check often for algae, especially up top |
| Streamer | Small olive or black sculpin, Woolly Bugger, or sparse baitfish pattern | 4-8 | Worth a short low-light or shower-window test, especially from a boat |
Tactics
Start with observation, not weight. Watch banks, shade lines, foam seams, and slower slicks for ants or olives, then fish a long leader with a single dry or dry-and-emerger setup. Use an Isonychia dry or wet fly to search broken edges when rises are sparse. If you nymph, stay lower, keep the rig light, clean the flies often, and avoid grinding through algae-covered lanes.
Gauge Links
| Gauge | Flow | Temp | Link |
|---|---|---|---|
| WEST BRANCH DELAWARE RIVER AT HALE EDDY NY | 591 cfs | 49.5 F | USGS 01426500 |
Sources
Official sources checked: USGS station 01426500 and the National Weather Service forecast for the Hancock and Hale Eddy, NY area. This report is an original Custom FlyBox summary based on current official gauge and weather data, with local public conditions reports reviewed separately for hatch, method, clarity, and safety context.