West Branch Delaware River At Hale Eddy
West Branch Delaware River · Northeast · USGS gage 01426500
Coldwater (summer mean 12.2°C — prime coldwater).
Water
47°F
Flow
566 cfs
Air
57°F
Sky
0%
Pressure
29.75 in
Wind
10 mph
Predicted hatches · 2026-06-20
PredictedMidgeChironomidae0.50
Predicted by conditions; no reports yet. water 8.2°C (47°F) sits in the prime band (1-10°C); shoulder of the season; 8 days sustained ≥0°C; 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.