Catskills, New York
Beaverkill-Willowemoc Fishing Report: September 4, 2026
The Beaverkill was still rising through 2,320 cfs at the 9 AM refresh, making routine wading unsafe; wait for the freestones to crest, fall, and clear.
- Status
- unsafe
- Flow trend
- rising
- Best window
- Wait for the Beaverkill to crest and both streams to clear
- Best methods
- streamers, nymphs
Quick Summary
The Beaverkill-Willowemoc system is not a routine wading choice this morning. At the 9 AM refresh, USGS showed the Beaverkill at Cooks Falls still rising through 2,320 cfs, 5.06 feet, and 62.6 F, while the Willowemoc near Livingston Manor was 235 cfs, 2.75 feet, and 61.7 F. The Beaverkill had gained another 270 cfs since the first report check, and current local river context describes storm-affected Catskills water as high and off-color. Wait for the Beaverkill to crest and inspect clarity before returning; the cold Upper Delaware tailwater near Stilesville is the safer regional alternative.
Conditions Snapshot
| Field | Value |
|---|---|
| Status | Unsafe for routine wading. The Beaverkill was rising rapidly during the morning check |
| Flow | 2,320 cfs at Beaverkill Cooks Falls; 235 cfs at Willowemoc Livingston Manor |
| Gauge Height | 5.06 feet at Cooks Falls; 2.75 feet at Livingston Manor |
| Water Temp | 62.6 F on the Beaverkill; 61.7 F on the Willowemoc |
| Clarity | Not reported by official gauges; current local context describes high, off-color storm runoff |
| Trend | Rising rapidly at Cooks Falls; falling on the Willowemoc |
| Best Window | Wait for the Beaverkill to crest and both streams to clear |
| Best Method | After flows fall, streamers or larger nymphs in soft edges; do not force a wading plan this morning |
| Wadeability | Unsafe on the Beaverkill and poor across unfamiliar freestone sections after runoff |
Weather
The National Weather Service forecast for Livingston Manor calls for mostly sunny skies, a high near 76 F, and northwest wind at 3 to 7 mph. Tonight should be partly cloudy near 52 F. No active NWS alerts were present during the morning check. Dry weather will help, but a clearing sky does not make a still-rising river safe.
River Notes
The Beaverkill climbed from 2,240 to 2,320 cfs over the final half hour of available USGS observations and had gained 270 cfs since the first report check, so its crest had not passed by the 9 AM refresh. The continued rise raises the risk from strong current, submerged banks, debris, and unstable footing. Do not cross the Beaverkill and do not step into unfamiliar edges simply because the sky has cleared.
The Willowemoc has fallen from yesterday's higher flow, but it still carries the uncertainty left by storm runoff. Give both streams time to clear. When safe conditions return, begin with short casts to inside bends, bank cushions, and slow tailouts. Streamers and larger nymphs will be more useful than small dries until visibility and fish position normalize.
Hatch Activity
Official gauges do not report hatches. Recent Catskills context supports Blue Winged Olives, sulphurs, tan caddis, Light Cahills, Isonychias, rusty spinners, and flying ants. High, stained water can interrupt surface activity, so use this list after the flow and clarity improve.
| Hatch | Size | Notes |
|---|---|---|
| Blue Winged Olive | 16-22 | Look in soft margins after the streams clear |
| Tan Caddis | 16-18 | Pupa and soft hackles can cover broken edge water |
| Light Cahill | 14-16 | Carry for evening mayfly activity after flows settle |
| Isonychia | 10-14 | A useful nymph, wet fly, or larger searching dry |
| Flying Ant | 16-22 | Check quiet banks and foam lines when fish resume surface feeding |
Recommended Flies
| Category | Fly | Size | Notes |
|---|---|---|---|
| Streamer | Black or olive Woolly Bugger or sculpin | 4-8 | Use only after safe access returns, tight to soft banks and inside seams |
| Nymph | Isonychia Nymph, Pheasant Tail, or caddis pupa | 10-18 | Fish close and controlled in slower edge water |
| Wet | Isonychia Wet or partridge soft hackle | 10-18 | Swing softer riffle margins after clarity improves |
| Dry | BWO Comparadun or CDC Olive | 16-22 | Reserve for sheltered risers after the runoff passes |
| Dry | Flying Ant, Light Cahill, or Isonychia Parachute | 10-22 | Carry for quiet bank water and evening rise forms |
Tactics
Wait for a clear crest and sustained drop at Cooks Falls before planning to fish. Recheck both gauges, inspect water color from the bank, and look for debris before entering any stream. When conditions become safe, fish the near bank first and keep every drift in water where a hooked trout can be landed without chasing it into heavy current. Carry a thermometer later in the day and stop targeting trout if shallow freestone water approaches 68 F.
Gauge Links
| Gauge | Flow | Temp | Link |
|---|---|---|---|
| BEAVER KILL AT COOKS FALLS NY | 2,320 cfs | 62.6 F | USGS 01420500 |
| WILLOWEMOC CREEK NEAR LIVINGSTON MANOR NY | 235 cfs | 61.7 F | USGS 01419500 |
Sources
Official sources checked: USGS stations 01420500 and 01419500, plus the National Weather Service forecast for the Livingston Manor and Roscoe, 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 clarity, hatch, method, and safety context.