San Joaquin River below Friant
San Joaquin River · Sierra / West · USGS gage 11251000
Coldwater (summer mean 13.1°C — prime coldwater).
Water
58°F
Flow
405 cfs
Air
56°F
Sky
66%
Pressure
29.87 in
Wind
4 mph
Predicted hatches · 2026-10-31
No bugs scoring above the noise floor right now.
PREDICTED from the first-principles model only. Report-confirmed signal (fly-shop & forum reports) is the next milestone.