Mouth of Atchafalaya River at Atchafalaya Bay

St. Mary Parish, Louisiana · USGS gauge 073816525 · Louisiana river levels

Is Mouth of Atchafalaya River at Atchafalaya Bay flooding right now?

Mouth of Atchafalaya River at Atchafalaya Bay measured 4.11 ft on 2026-11-11 16:45:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height

4.11 ft

as of 46 min ago

Streamflow

—

data refreshed just now

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 · 3.91–6.15 ft

Nearby gauges

Gauge	Distance	County
Avoca Island Cutoff south of Morgan City, LA	9.2 mi	St. Mary Parish
Crewboat Channel at Wax Lake Outlet near Calumet, LA	9.7 mi	St. Mary Parish
Wax Lake Outlet at Calumet, LA	18.6 mi	St. Mary Parish
Bayou Teche E of Calumet Flood Gate at Calumet, LA	18.9 mi	St. Mary Parish
Bayou Teche W of Calumet Flood Gate at Calumet, LA	19.0 mi	St. Mary Parish

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