Catawba River At Sr1223 below Lake James near Bridgewater
Catawba River · Appalachia · USGS gage 02138520
Trout (marginal) (summer mean 17.8°C — trout, warm in summer).
Water
51°F
Flow
122 cfs
Air
67°F
Sky
0%
Pressure
29.97 in
Wind
1 mph
Predicted hatches · 2026-07-31
PredictedMidgeChironomidae0.44
Predicted by conditions; no reports yet. water 10.7°C (51°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
PredictedGreen DrakeDrunella spp.0.35
water 10.7°C (51°F) is warming toward the prime band (11-15°C); shoulder of the season; 8 days sustained ≥10°C; watch midday, often cloudy.
flies: Green Drake Parachute #10-12, Cripple, Hares Ear #10
PREDICTED from the first-principles model only. Report-confirmed signal (fly-shop & forum reports) is the next milestone.