W Br Neversink River At Winnisook L near Frost Valley
W Br Neversink River · Northeast · USGS gage 01434021
Coldwater (summer mean 13.3°C — prime coldwater; very low flow (1.8 cfs) — small/seasonal).
Water
43°F
Flow
2 cfs
Air
34°F
Sky
0%
Pressure
30.33 in
Wind
5 mph
Predicted hatches · 2026-10-31
PredictedBlue-Winged OliveBaetis spp.0.90
Predicted by conditions; no reports yet. water 6.3°C (43°F) sits in the prime band (6-11°C); peak season; 8 days sustained ≥4°C; bright high pressure — tougher; watch midday, especially overcast afternoons.
flies: BWO Sparkle Dun #18-22, RS2, Pheasant Tail #18
PredictedMidgeChironomidae0.45
Predicted by conditions; no reports yet. water 6.3°C (43°F) sits in the prime band (1-10°C); shoulder of the season; 8 days sustained ≥0°C; bright high pressure — tougher; watch midday, especially cold months.
flies: Zebra Midge #18-22, Griffith's Gnat, Disco Midge
PREDICTED from the first-principles model only. Report-confirmed signal (fly-shop & forum reports) is the next milestone.