What is the current flow on St Marys River?

St Marys River was running 141 cubic feet per second as of Aug 1, 2026, 6:15 PM UTC, measured at USGS gauge 04182769. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

St Marys River

Indiana. Streamflow and water-temperature readings from USGS gauges. Running 141 cfs as of Aug 1, 2026, 6:15 PM UTC.

Latest Reading

141

cubic feet / second

USGS gauges

Flow measured Aug 1, 2026, 6:15 PM UTC at gauge 04182769. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on St Marys River

Gauge	Station	Water temp?
04181120	ST. MARYS RIVER AT PLEASANT MILLS, IN	—
04181500	ST. MARYS RIVER AT DECATUR, IN	—
04182000	ST. MARYS RIVER NEAR FORT WAYNE, IN	—
04182769	ST. MARYS RIVER AT MAIN ST. AT FORT WAYNE, IN	—

Fly fishing rivers →Indiana lakes →

Conditions: USGS NWIS (public domain).