North Fork Swannanoa River Near Walkertown
North Fork Swannanoa River · Appalachia · USGS gage 0344894205
Trout (marginal) (summer mean 19.2°C — trout, warm in summer).
Water
54°F
Flow
8 cfs
Air
56°F
Sky
0%
Pressure
30.19 in
Wind
1 mph
Predicted hatches · 2026-10-30
PredictedBlue-Winged OliveBaetis spp.0.61
Predicted by conditions; no reports yet. water 12.1°C (54°F) is cooling past the prime band (6-11°C); peak season; 8 days sustained ≥4°C; watch midday, especially overcast afternoons.
flies: BWO Sparkle Dun #18-22, RS2, Pheasant Tail #18
PredictedMidgeChironomidae0.31
water 12.1°C (54°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.