Rivers in Louisiana
Atchafalaya River at Bayou Sorrel Lock
Below flood stage
3.00ftStage
Observed Sun, Sep 27, 7:00 AM CDT
- Flood stage
- 12.00 ft
- Forecast crest
- 4.00 ftTue, Oct 6, 7:00 PM CDT
- Record crest
- 18.10 ft1973
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 30.00 ft |
| Moderate flood | 18.00 ft |
| Minor flood | 12.00 ft |
| Action | 10.00 ft |
- 30.00 ftThe top of the levee protecting the town of Bayou Sorrel will be reached. Evacuation is strongly recommended.
- 18.00 ftOver 500,000 acres on the Floodway Side of the levee will be inundated. Recreational areas will be closed.
- 12.00 ftOn the Floodway Side (FWS) of the protection levee, recreational activity and navigation on Grand River and the Atchafalaya River main channel may be curtailed because of increased flow.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 16, 2026.
Crest history
24 crests on NOAA’s list since 1973.
| # | Date | Stage |
|---|---|---|
| 1 | May 23, 1973 | 18.10 ft |
| 2 | May 28, 2011 | 17.40 ft |
| 3 | May 29, 2011 | 17.40 ft |
| 4 | March 16, 2019 | 13.71 ft |
| 5 | January 23, 2016 | 12.90 ft |
| 6 | April 28, 2008 | 12.40 ft |
| 7 | June 5, 1983 | 12.40 ft |
| 8 | March 31, 1997 | 12.00 ft |
| 9 | May 4, 1979 | 11.80 ft |
| 10 | January 29, 1991 | 10.70 ft |
| 11 | June 15, 1990 | 10.00 ft |
| 12 | May 1, 1993 | 9.80 ft |
| 13 | June 10, 2002 | 9.40 ft |
| 14 | February 22, 1999 | 9.40 ft |
| 15 | May 25, 1984 | 9.30 ft |
| 16 | May 18, 1998 | 9.10 ft |
| 17 | March 22, 1985 | 9.10 ft |
| 18 | March 17, 1989 | 9.10 ft |
| 19 | June 16, 1996 | 9.00 ft |
| 20 | March 19, 1987 | 8.00 ft |
| 21 | January 1, 1986 | 7.80 ft |
| 22 | January 13, 1988 | 7.50 ft |
| 23 | April 25, 2000 | 6.40 ft |
| 24 | January 25, 2001 | 4.50 ft |
Most recent crests
- March 16, 2019: 13.71 ft
- January 23, 2016: 12.90 ft
- May 29, 2011: 17.40 ft
- May 28, 2011: 17.40 ft
- April 28, 2008: 12.40 ft
- June 10, 2002: 9.40 ft
- January 25, 2001: 4.50 ft
- April 25, 2000: 6.40 ft
- February 22, 1999: 9.40 ft
- May 18, 1998: 9.10 ft
Nearby
Upstream, downstream and the gauges around this one.
- DownstreamAtchafalaya River at Morgan City
- Atchafalaya River at Bayou Sorrel Landside
- Lower Grand River at Bayou Sorrel
- Atchafalaya River at Murphy Lake near Bayou Sorrel
- Upper Grand River at Plaquemine
- Belle River at Pierre Part
- Bayou Lafourche at Donaldsonville
- Bayou Lafourche at Donaldsonville
- Bayou Lafourche at Napoleonville
What this means
Forecasts by the Lower Mississippi River Forecast Center. Forecasts are issued routinely year-round.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.