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Atchafalaya River at Simmesport — water level right now

Avoyelles Parish, Louisiana · NWS gauge SMML1
Loading the latest reading…
–
current stage (ft)
 
40
minor flood stage
 
59.13
record crest
set 1927-05-16
–
flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 35
minor · 40
moderate · 44
major · 50
Flood stageLevel (ft)What it means
Major flood stage50extensive inundation and significant evacuations — a serious event
Moderate flood stage44some buildings and roads inundated; evacuations possible
Minor flood stage40low-lying roads and fields near the river start to flood
Action stage35water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
159.131927-05-16+19.13 above
257.331922-05-16+17.33 above
357.141945-04-30+17.14 above
455.831912-05-13+15.83 above
555.031937-03-01+15.03 above
654.781973-05-15+14.78 above
754.231916-03-01+14.23 above
854.231950-03-04+14.23 above
953.431932-03-07+13.43 above
1052.631913-05-09+12.63 above
1152.231920-05-21+12.23 above
1252.131929-06-12+12.13 above

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Mississippi River at Red River Landing 8 mi away · loading… Bayou Des Glaises Diversion Ch near Moreauville 10 mi away · loading… Bayou Des Glaises Diversion Ch. at Moreauville 11 mi away · loading… Little River at Boggy Bayou Road 17 mi away · loading… Red River 6.5 Miles Below the Confluence of the Black 17 mi away · loading… Bayou Rouge near Palmetto 18 mi away · loading…

Gauge details

NWS gauge IDSMML1
USGS site07381490
CountyAvoyelles
StateLouisiana
NWS forecast officeLake Charles
River forecast centerLower Mississippi River Forecast Center
Coordinates30.983, -91.798
Time zoneCST6CDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Atchafalaya River at Simmesport

Is Atchafalaya River at Simmesport flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 40 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Atchafalaya River at Simmesport?

major flood stage 50 ft, moderate flood stage 44 ft, minor flood stage 40 ft, action stage 35 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Atchafalaya River at Simmesport?

The highest crest on file at this gauge is 59.13 ft, reached on 1927-05-16 — that is 19.13 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Lake Charles and local emergency management.