What is the current flow on St Marks River?

St Marks River was running 648 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 02326900. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

St Marks River

Florida. Streamflow and water-temperature readings from USGS gauges. Running 648 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

648

cubic feet / second

USGS gauge

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 02326900. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on St Marks River

Gauge	Station	Water temp?
02326900	ST. MARKS RIVER NEAR NEWPORT, FLA.	—

Fly fishing rivers →Florida lakes →

Conditions: USGS NWIS (public domain).