New York ·
Neversink River Fly Fishing Report - May 31, 2026
NEVERSINK RIVER
ReportMAY 31 — JUN 7, 2026
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Flow
108CFS
NEVERSINK RIVER AT NEVERSINK NY
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Water Temp
42.4°F
Updated 2026-05-31
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Weather
39–69°F
Mostly Clear
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Clarity
Clear
Check post-storm
The Neversink is running at 108 CFS and 3.46 ft — a comfortable, wadeable flow with excellent clarity. Early-morning gauge temps read 42.4°F, with afternoon water temperatures climbing to the mid-50s, putting every major late-May hatch squarely in the zone.
What's Working — Hot Flies
Guides Choice Hare's Ear #18
#18
Egan's Thread Frenchie Jig - Olive #12
#12
Tasmanian Devil Hare's Ear #12
#12
Egan's Frenchie #12
#12
Pheasant Tail Tungsten #20
#20
Top Secret Baetis #16
#16
Soft Hackle Pheasant Tail Jig - Barbless #12
#12
Corn-fed Caddis (CDC) Tan #20
#20
Parachute - Blue Wing Olive #22
#22
Black Zebra Midge (TBH) #20
#20
Hatch Chart
| Insect | Size | Activity | Prime Time |
|---|---|---|---|
| Sulphur (Ephemerella) | #16–18 | 🟢 Active | Evening (dusk) |
| March Brown / Gray Fox | #10–12 | 🟢 Active | Midday–Afternoon |
| Tan Caddis | #16–18 | 🟢 Active | Afternoon–Evening |
| Blue-Winged Olive (Baetis) | #18–22 | 🟡 Sporadic | Overcast / Light Rain Periods |
| Midges | #20–24 | 🟢 Active | Early Morning |
| Green Drake | #8–10 | 🟡 Possible | Evening / After Dark |
Best Time Window
- Early Morning (6:00–9:00 AM): Midge activity in flat tailouts; nymph deep through pools with a Zebra Midge or Frenchie Jig before the crowds arrive.
- Midday–Afternoon (11:00 AM–4:00 PM): March Brown and Gray Fox hatch fires up; nymph the riffles and pocket water, or watch for opportunistic dry-fly takes on the bigger mayflies.
- Evening (5:00 PM–Dark): Prime time — Sulphur and tan caddis dominate the surface; stay through dusk for the best dry-fly action of the season, and watch for a possible Green Drake spinner fall after dark.
Guide's Tip
From the benchThe Neversink's wild browns are notoriously leader-shy — rig a minimum 12-foot leader tapered to 5X, and drop to 6X fluorocarbon for the evening dry-fly window. Plan to be wading by 5:00 PM to claim your run before the Sulphur and caddis rise peaks at dusk; the flat, glassy water above riffles is where the biggest fish will be sipping. Sunday night's slight chance of rain and Monday's overcast afternoon are your BWO triggers — don't leave the river just because the sky turns gray. During morning and midday hours, nymph deep through the pools and pocket water; stocked browns are stacked in the deeper runs while wild fish hold tight in the faster riffles, keyed to the naturals.
Main Species
Brown Trout
Brook Trout
Rainbow Trout
