St. Clair River at Port Huron, MI

St. Clair County, Michigan · USGS gauge 04159130 · Michigan river levels

Is St. Clair River at Port Huron, MI flooding right now?

St. Clair River at Port Huron, MI measured 577.86 ft on 2026-10-27 17:00:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height

577.86 ft

as of 59 min ago

Streamflow

204,000 cfs

data refreshed 13 min ago

No National Weather Service flood stage is published for this gauge, so no flood category can be shown — why some gauges have no flood stage.

Last 7 days

Past 7 days · 577.79–578.24 ft

Nearby gauges

Gauge	Distance	County
Pine River at Neuman Road near Marysville, MI	10.5 mi	St. Clair County
Black River near Fargo, MI	12.2 mi	St. Clair County
Black River near Jeddo, MI	15.2 mi	St. Clair County
Belle River at King Rd near Marine City, MI	15.7 mi	St. Clair County
Mill Creek near Avoca, MI	16.3 mi	St. Clair County

Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location