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Hydrograph River at a Glance Download
Mississippi River at Baton Rouge Stage (ft)Observed: 10.1 ft at 12:00PM Nov 22, 2021Observed: 10.07 ft at 1:00PM Nov 22, 2021Observed: 9.95 ft at 2:00PM Nov 22, 2021Observed: 9.94 ft at 3:00PM Nov 22, 2021Observed: 9.94 ft at 4:00PM Nov 22, 2021Observed: 9.79 ft at 5:00PM Nov 22, 2021Observed: 9.84 ft at 6:00PM Nov 22, 2021Observed: 9.87 ft at 7:00PM Nov 22, 2021Observed: 9.75 ft at 8:00PM Nov 22, 2021Observed: 9.69 ft at 9:00PM Nov 22, 2021Observed: 9.71 ft at 10:00PM Nov 22, 2021Observed: 9.71 ft at 11:00PM Nov 22, 2021Observed: 9.74 ft at 12:00AM Nov 23, 2021Observed: 9.75 ft at 1:00AM Nov 23, 2021Observed: 9.52 ft at 2:00AM Nov 23, 2021Observed: 9.84 ft at 3:00AM Nov 23, 2021Observed: 9.79 ft at 4:00AM Nov 23, 2021Observed: 9.84 ft at 5:00AM Nov 23, 2021Observed: 9.91 ft at 6:00AM Nov 23, 2021Observed: 9.79 ft at 7:00AM Nov 23, 2021Observed: 9.97 ft at 8:00AM Nov 23, 2021Observed: 10.01 ft at 9:00AM Nov 23, 2021Observed: 9.95 ft at 10:00AM Nov 23, 2021Observed: 10 ft at 12:00PM Nov 23, 2021Observed: 10.01 ft at 1:00PM Nov 23, 2021Observed: 10.05 ft at 2:00PM Nov 23, 2021Observed: 9.95 ft at 3:00PM Nov 23, 2021Observed: 10.05 ft at 4:00PM Nov 23, 2021Highest Observation: 10.12 ft at 5:00PM Nov 23, 2021Observed: 9.95 ft at 6:00PM Nov 23, 2021Observed: 9.92 ft at 7:00PM Nov 23, 2021Observed: 9.99 ft at 8:00PM Nov 23, 2021Observed: 9.84 ft at 9:00PM Nov 23, 2021Observed: 9.84 ft at 10:00PM Nov 23, 2021Observed: 9.78 ft at 11:00PM Nov 23, 2021Observed: 9.71 ft at 12:00AM Nov 24, 2021Observed: 9.71 ft at 1:00AM Nov 24, 2021Observed: 9.72 ft at 2:00AM Nov 24, 2021Observed: 9.69 ft at 3:00AM Nov 24, 2021Observed: 9.72 ft at 4:00AM Nov 24, 2021Observed: 9.75 ft at 5:00AM Nov 24, 2021Observed: 9.78 ft at 6:00AM Nov 24, 2021Observed: 9.77 ft at 7:00AM Nov 24, 2021Observed: 9.75 ft at 8:00AM Nov 24, 2021Observed: 9.78 ft at 9:00AM Nov 24, 2021Observed: 9.85 ft at 10:00AM Nov 24, 2021Observed: 9.82 ft at 11:00AM Nov 24, 2021Observed: 9.89 ft at 12:00PM Nov 24, 2021Observed: 9.85 ft at 1:00PM Nov 24, 2021Observed: 9.79 ft at 2:00PM Nov 24, 2021Observed: 9.77 ft at 3:00PM Nov 24, 2021Observed: 9.68 ft at 4:00PM Nov 24, 2021Observed: 9.89 ft at 5:00PM Nov 24, 2021Observed: 9.73 ft at 6:00PM Nov 24, 2021Observed: 9.74 ft at 7:00PM Nov 24, 2021Observed: 9.63 ft at 8:00PM Nov 24, 2021Observed: 9.66 ft at 9:00PM Nov 24, 2021Observed: 9.6 ft at 11:00PM Nov 24, 2021Observed: 9.62 ft at 12:00AM Nov 25, 2021Observed: 9.58 ft at 1:00AM Nov 25, 2021Observed: 9.6 ft at 2:00AM Nov 25, 2021Observed: 9.62 ft at 3:00AM Nov 25, 2021Observed: 9.66 ft at 4:00AM Nov 25, 2021Observed: 9.67 ft at 5:00AM Nov 25, 2021Observed: 9.69 ft at 6:00AM Nov 25, 2021Observed: 9.71 ft at 7:00AM Nov 25, 2021Observed: 9.74 ft at 8:00AM Nov 25, 2021Observed: 9.79 ft at 9:00AM Nov 25, 2021Observed: 9.8 ft at 10:00AM Nov 25, 2021Observed: 9.82 ft at 11:00AM Nov 25, 2021Observed: 9.82 ft at 12:00PM Nov 25, 2021Observed: 9.91 ft at 2:00PM Nov 25, 2021Observed: 9.75 ft at 3:00PM Nov 25, 2021Observed: 9.65 ft at 4:00PM Nov 25, 2021Observed: 9.64 ft at 5:00PM Nov 25, 2021Observed: 9.61 ft at 6:00PM Nov 25, 2021Observed: 9.65 ft at 7:00PM Nov 25, 2021Observed: 9.59 ft at 8:00PM Nov 25, 2021Observed: 9.51 ft at 9:00PM Nov 25, 2021Observed: 9.56 ft at 10:00PM Nov 25, 2021Observed: 9.56 ft at 11:00PM Nov 25, 2021Observed: 9.65 ft at 12:00AM Nov 26, 2021Observed: 9.53 ft at 1:00AM Nov 26, 2021Observed: 9.61 ft at 2:00AM Nov 26, 2021Observed: 9.53 ft at 3:00AM Nov 26, 2021Observed: 9.52 ft at 4:00AM Nov 26, 2021Observed: 9.51 ft at 5:00AM Nov 26, 2021Observed: 9.59 ft at 6:00AM Nov 26, 2021Observed: 9.57 ft at 7:00AM Nov 26, 2021Observed: 9.53 ft at 8:00AM Nov 26, 2021Observed: 9.61 ft at 9:00AM Nov 26, 2021Observed: 9.7 ft at 10:00AM Nov 26, 2021Observed: 9.68 ft at 11:00AM Nov 26, 2021Observed: 9.75 ft at 12:00PM Nov 26, 2021Observed: 9.8 ft at 1:00PM Nov 26, 2021Observed: 9.87 ft at 2:00PM Nov 26, 2021Observed: 9.75 ft at 3:00PM Nov 26, 2021Observed: 9.78 ft at 4:00PM Nov 26, 2021Observed: 9.68 ft at 5:00PM Nov 26, 2021Observed: 9.7 ft at 6:00PM Nov 26, 2021Observed: 9.64 ft at 7:00PM Nov 26, 2021Observed: 9.64 ft at 8:00PM Nov 26, 2021Observed: 9.65 ft at 9:00PM Nov 26, 2021Observed: 9.63 ft at 10:00PM Nov 26, 2021Observed: 9.73 ft at 11:00PM Nov 26, 2021Observed: 9.59 ft at 12:00AM Nov 27, 2021Observed: 9.58 ft at 1:00AM Nov 27, 2021Observed: 9.52 ft at 2:00AM Nov 27, 2021Observed: 9.55 ft at 3:00AM Nov 27, 2021Observed: 9.58 ft at 4:00AM Nov 27, 2021Observed: 9.51 ft at 5:00AM Nov 27, 2021Observed: 9.63 ft at 6:00AM Nov 27, 2021Observed: 9.56 ft at 7:00AM Nov 27, 2021Observed: 9.66 ft at 8:00AM Nov 27, 2021Observed: 9.63 ft at 9:00AM Nov 27, 2021Observed: 9.71 ft at 10:00AM Nov 27, 2021Observed: 9.64 ft at 11:00AM Nov 27, 2021Observed: 9.53 ft at 12:00PM Nov 27, 2021Observed: 9.66 ft at 1:00PM Nov 27, 2021Observed: 9.68 ft at 2:00PM Nov 27, 2021Observed: 9.72 ft at 3:00PM Nov 27, 2021Observed: 9.65 ft at 4:00PM Nov 27, 2021Observed: 9.69 ft at 5:00PM Nov 27, 2021Observed: 9.77 ft at 6:00PM Nov 27, 2021Observed: 9.58 ft at 7:00PM Nov 27, 2021Observed: 9.57 ft at 8:00PM Nov 27, 2021Observed: 9.51 ft at 9:00PM Nov 27, 2021Observed: 9.42 ft at 10:00PM Nov 27, 2021Observed: 9.44 ft at 11:00PM Nov 27, 2021Observed: 9.39 ft at 12:00AM Nov 28, 2021Observed: 9.48 ft at 1:00AM Nov 28, 2021Observed: 9.43 ft at 2:00AM Nov 28, 2021Observed: 9.44 ft at 3:00AM Nov 28, 2021Observed: 9.42 ft at 4:00AM Nov 28, 2021Observed: 9.65 ft at 5:00AM Nov 28, 2021Observed: 9.44 ft at 6:00AM Nov 28, 2021Observed: 9.42 ft at 7:00AM Nov 28, 2021Observed: 9.52 ft at 8:00AM Nov 28, 2021Observed: 9.61 ft at 9:00AM Nov 28, 2021Observed: 9.45 ft at 10:00AM Nov 28, 2021Observed: 9.48 ft at 11:00AM Nov 28, 2021Observed: 9.55 ft at 12:00PM Nov 28, 2021Observed: 9.53 ft at 1:00PM Nov 28, 2021Observed: 9.58 ft at 2:00PM Nov 28, 2021Observed: 9.53 ft at 3:00PM Nov 28, 2021Observed: 9.57 ft at 4:00PM Nov 28, 2021Observed: 9.46 ft at 5:00PM Nov 28, 2021Observed: 9.56 ft at 6:00PM Nov 28, 2021Observed: 9.51 ft at 7:00PM Nov 28, 2021Observed: 9.49 ft at 8:00PM Nov 28, 2021Observed: 9.45 ft at 9:00PM Nov 28, 2021Observed: 9.47 ft at 10:00PM Nov 28, 2021Observed: 9.38 ft at 11:00PM Nov 28, 2021Observed: 9.41 ft at 12:00AM Nov 29, 2021Observed: 9.38 ft at 1:00AM Nov 29, 2021Observed: 9.35 ft at 2:00AM Nov 29, 2021Observed: 9.46 ft at 3:00AM Nov 29, 2021Observed: 9.57 ft at 4:00AM Nov 29, 2021Observed: 9.44 ft at 5:00AM Nov 29, 2021Observed: 9.43 ft at 6:00AM Nov 29, 2021Observed: 9.46 ft at 7:00AM Nov 29, 2021Observed: 9.39 ft at 8:00AM Nov 29, 2021Observed: 9.55 ft at 9:00AM Nov 29, 2021Observed: 9.56 ft at 10:00AM Nov 29, 2021Forecast: 9.5 ft 12:00PM Nov 29, 2021Forecast: 9.6 ft 6:00PM Nov 29, 2021Forecast: 9.6 ft 12:00AM Nov 30, 2021Forecast: 9.6 ft 6:00AM Nov 30, 2021Forecast: 9.6 ft 12:00PM Nov 30, 2021Forecast: 9.6 ft 6:00PM Nov 30, 2021Forecast: 9.6 ft 12:00AM Dec 01, 2021Highest Forecast: 9.7 ft 6:00AM Dec 01, 2021Highest Forecast: 9.7 ft 12:00PM Dec 01, 2021Highest Forecast: 9.7 ft 6:00PM Dec 01, 2021Highest Forecast: 9.7 ft 12:00AM Dec 02, 2021Highest Forecast: 9.7 ft 6:00AM Dec 02, 2021Highest Forecast: 9.7 ft 12:00PM Dec 02, 2021Highest Forecast: 9.7 ft 6:00PM Dec 02, 2021Highest Forecast: 9.7 ft 12:00AM Dec 03, 2021Highest Forecast: 9.7 ft 6:00AM Dec 03, 2021Highest Forecast: 9.7 ft 12:00PM Dec 03, 2021Highest Forecast: 9.7 ft 6:00PM Dec 03, 2021Highest Forecast: 9.7 ft 12:00AM Dec 04, 2021Highest Forecast: 9.7 ft 6:00AM Dec 04, 2021Forecast: 9.6 ft 12:00PM Dec 04, 2021Forecast: 9.6 ft 6:00PM Dec 04, 2021Forecast: 9.5 ft 12:00AM Dec 05, 2021Forecast: 9.5 ft 6:00AM Dec 05, 2021Forecast: 9.4 ft 12:00PM Dec 05, 2021Forecast: 9.4 ft 6:00PM Dec 05, 2021Forecast: 9.3 ft 12:00AM Dec 06, 2021Forecast: 9.2 ft 6:00AM Dec 06, 2021Forecast: 9.1 ft 12:00PM Dec 06, 2021Forecast: 9 ft 6:00PM Dec 06, 2021Forecast: 9 ft 12:00AM Dec 07, 2021Forecast: 8.9 ft 6:00AM Dec 07, 2021Forecast: 8.8 ft 12:00PM Dec 07, 2021Forecast: 8.7 ft 6:00PM Dec 07, 2021Forecast: 8.7 ft 12:00AM Dec 08, 2021Forecast: 8.6 ft 6:00AM Dec 08, 2021Forecast: 8.5 ft 12:00PM Dec 08, 2021Forecast: 8.4 ft 6:00PM Dec 08, 2021Forecast: 8.4 ft 12:00AM Dec 09, 2021Forecast: 8.3 ft 6:00AM Dec 09, 2021Forecast: 8.2 ft 12:00PM Dec 09, 2021Forecast: 8.2 ft 6:00PM Dec 09, 2021Forecast: 8.1 ft 12:00AM Dec 10, 2021Forecast: 8 ft 6:00AM Dec 10, 2021Forecast: 8 ft 12:00PM Dec 10, 2021Forecast: 7.9 ft 6:00PM Dec 10, 2021Forecast: 7.9 ft 12:00AM Dec 11, 2021Forecast: 7.8 ft 6:00AM Dec 11, 2021Forecast: 7.8 ft 12:00PM Dec 11, 2021Forecast: 7.7 ft 6:00PM Dec 11, 2021Forecast: 7.7 ft 12:00AM Dec 12, 2021Forecast: 7.6 ft 6:00AM Dec 12, 2021Forecast: 7.6 ft 12:00PM Dec 12, 2021Forecast: 7.5 ft 6:00PM Dec 12, 2021Forecast: 7.5 ft 12:00AM Dec 13, 2021Forecast: 7.4 ft 6:00AM Dec 13, 2021BTRL1(plotting HGIRG) Graph Created (11:39AM Nov 29, 2021)ObservedForecast (issued 10:49AM Nov 29)Latest observed value: 9.56 ft at 10:00 AM CST 29-Nov-2021. Flood Stage is 35 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
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Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Mississippi River at Baton Rouge are issued routinely year-round.

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Upstream Gauge - near St. Francisville Upstream Gauge Downstream Gauge Downstream Gauge - at Donaldsonville
Flood Categories (in feet)
Major Flood Stage: 40
Moderate Flood Stage: 38
Flood Stage: 35
Action Stage: 30
Low Stage (in feet): -9999

Historic Crests
(1) 47.28 ft on 05/15/1927
(2) 45.18 ft on 04/29/1945
(3) 45.18 ft on 05/16/1922
(4) 45.01 ft on 05/18/2011
(5) 44.58 ft on 04/16/1945
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 44.18 ft on 03/18/2019
(2) 43.78 ft on 03/19/2018
(3) 40.60 ft on 05/30/2017
(4) 40.60 ft on 05/30/2017
(5) 38.47 ft on 03/21/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -0.07 ft on 11/14/1894
(2) 0.28 ft on 11/16/1895
(3) 0.38 ft on 01/09/1877
(4) 0.48 ft on 01/12/1918
(5) 0.58 ft on 11/26/1887
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
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 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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If you notice any errors in the below information, please contact our Webmaster
47.28 This is the flood of record established on May 15, 1927.
43 Shipping and industrial activities are significantly affected. Unprotected low-lying areas will be flooded and agricultural operations will be impacted on the west side of the river. The city of Baton Rouge is protected by levees at this level.
40 The grounds of the older part of Louisiana State University's campus become soggy. This includes the area around the Veterinary Medicine building, the Veterinary Medicine Annex, the stadium and ball fields. The city of Baton Rouge and the main LSU campus are protected by levees at this level.
38 River traffic and industrial activity on the river side of the levees will be greatly affected. Navigational safety regulations will be strictly enforced.
36 River traffic and industrial activity on the river side of the levees will be greatly affected. Navigational safety regulations will be strictly enforced.
35 River islands from Red River Landing downstream to Baton Rouge will be inundated.
About This Location Collapse

Latitude: 30.429167° N, Longitude: 91.206944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 35 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 0 ft 35 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
New Orleans/Baton Rouge Weather Forecast Office
62300 Airport Rd.
Slidell, LA 70460-5243
(504) 522-7330
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