West Branch Delaware River At Hale Eddy
West Branch Delaware River · Northeast · USGS gage 01426500
Coldwater (summer mean 12.2°C — prime coldwater).
Water
52°F
Flow
810 cfs
Air
56°F
Sky
0%
Pressure
30.03 in
Wind
0 mph
Predicted hatches · 2026-08-04
PredictedMidgeChironomidae0.41
Predicted by conditions; no reports yet. water 11.1°C (52°F) is cooling past 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.