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Hydrograph River at a Glance Download
Mississippi River at Baton Rouge Stage (ft)Highest Observation: 29.75 ft at 7:00PM May 19, 2018Observed: 29.71 ft at 8:00PM May 19, 2018Observed: 29.66 ft at 9:00PM May 19, 2018Observed: 29.65 ft at 10:00PM May 19, 2018Observed: 29.6 ft at 11:00PM May 19, 2018Observed: 29.6 ft at 12:00AM May 20, 2018Observed: 29.6 ft at 1:00AM May 20, 2018Observed: 29.65 ft at 2:00AM May 20, 2018Observed: 29.57 ft at 3:00AM May 20, 2018Observed: 29.56 ft at 4:00AM May 20, 2018Observed: 29.58 ft at 5:00AM May 20, 2018Observed: 29.49 ft at 6:00AM May 20, 2018Observed: 29.51 ft at 7:00AM May 20, 2018Observed: 29.49 ft at 8:00AM May 20, 2018Observed: 29.45 ft at 9:00AM May 20, 2018Observed: 29.39 ft at 10:00AM May 20, 2018Observed: 29.35 ft at 11:00AM May 20, 2018Observed: 29.37 ft at 12:00PM May 20, 2018Observed: 29.38 ft at 1:00PM May 20, 2018Observed: 29.31 ft at 2:00PM May 20, 2018Observed: 29.24 ft at 3:00PM May 20, 2018Observed: 29.19 ft at 4:00PM May 20, 2018Observed: 29.24 ft at 5:00PM May 20, 2018Observed: 29.22 ft at 6:00PM May 20, 2018Observed: 29.16 ft at 7:00PM May 20, 2018Observed: 29.21 ft at 8:00PM May 20, 2018Observed: 29.19 ft at 9:00PM May 20, 2018Observed: 29.2 ft at 10:00PM May 20, 2018Observed: 29.18 ft at 11:00PM May 20, 2018Observed: 29.13 ft at 12:00AM May 21, 2018Observed: 29.17 ft at 1:00AM May 21, 2018Observed: 29.09 ft at 2:00AM May 21, 2018Observed: 29.11 ft at 3:00AM May 21, 2018Observed: 29.1 ft at 4:00AM May 21, 2018Observed: 29.06 ft at 5:00AM May 21, 2018Observed: 29.04 ft at 6:00AM May 21, 2018Observed: 29 ft at 7:00AM May 21, 2018Observed: 29.01 ft at 8:00AM May 21, 2018Observed: 28.98 ft at 9:00AM May 21, 2018Observed: 28.94 ft at 10:00AM May 21, 2018Observed: 28.98 ft at 11:00AM May 21, 2018Observed: 28.89 ft at 12:00PM May 21, 2018Observed: 28.83 ft at 1:00PM May 21, 2018Observed: 28.85 ft at 2:00PM May 21, 2018Observed: 28.72 ft at 3:00PM May 21, 2018Observed: 28.71 ft at 4:00PM May 21, 2018Observed: 28.74 ft at 5:00PM May 21, 2018Observed: 28.71 ft at 6:00PM May 21, 2018Observed: 28.67 ft at 7:00PM May 21, 2018Observed: 28.73 ft at 8:00PM May 21, 2018Observed: 28.67 ft at 9:00PM May 21, 2018Observed: 28.64 ft at 10:00PM May 21, 2018Observed: 28.68 ft at 11:00PM May 21, 2018Observed: 28.63 ft at 12:00AM May 22, 2018Observed: 28.62 ft at 1:00AM May 22, 2018Observed: 28.53 ft at 2:00AM May 22, 2018Observed: 28.56 ft at 3:00AM May 22, 2018Observed: 28.47 ft at 4:00AM May 22, 2018Observed: 28.56 ft at 5:00AM May 22, 2018Observed: 28.53 ft at 6:00AM May 22, 2018Observed: 28.45 ft at 7:00AM May 22, 2018Observed: 28.43 ft at 8:00AM May 22, 2018Observed: 28.42 ft at 9:00AM May 22, 2018Observed: 28.4 ft at 10:00AM May 22, 2018Observed: 28.37 ft at 11:00AM May 22, 2018Observed: 28.34 ft at 12:00PM May 22, 2018Observed: 28.32 ft at 1:00PM May 22, 2018Observed: 28.25 ft at 2:00PM May 22, 2018Observed: 28.2 ft at 3:00PM May 22, 2018Observed: 28.27 ft at 4:00PM May 22, 2018Observed: 28.24 ft at 5:00PM May 22, 2018Observed: 28.17 ft at 6:00PM May 22, 2018Observed: 28.19 ft at 7:00PM May 22, 2018Observed: 28.12 ft at 8:00PM May 22, 2018Observed: 28.16 ft at 9:00PM May 22, 2018Observed: 28.16 ft at 10:00PM May 22, 2018Observed: 28.14 ft at 11:00PM May 22, 2018Observed: 28.11 ft at 12:00AM May 23, 2018Observed: 28.1 ft at 1:00AM May 23, 2018Observed: 28.15 ft at 2:00AM May 23, 2018Observed: 28.07 ft at 3:00AM May 23, 2018Observed: 28.05 ft at 4:00AM May 23, 2018Observed: 28.01 ft at 5:00AM May 23, 2018Observed: 27.98 ft at 6:00AM May 23, 2018Observed: 27.99 ft at 7:00AM May 23, 2018Observed: 27.91 ft at 8:00AM May 23, 2018Observed: 27.89 ft at 9:00AM May 23, 2018Observed: 27.87 ft at 10:00AM May 23, 2018Observed: 27.88 ft at 11:00AM May 23, 2018Observed: 27.83 ft at 12:00PM May 23, 2018Observed: 27.75 ft at 1:00PM May 23, 2018Observed: 27.78 ft at 2:00PM May 23, 2018Observed: 27.69 ft at 3:00PM May 23, 2018Observed: 27.7 ft at 4:00PM May 23, 2018Observed: 27.66 ft at 5:00PM May 23, 2018Observed: 27.64 ft at 6:00PM May 23, 2018Observed: 27.73 ft at 7:00PM May 23, 2018Observed: 27.62 ft at 8:00PM May 23, 2018Observed: 27.48 ft at 9:00PM May 23, 2018Observed: 27.55 ft at 10:00PM May 23, 2018Observed: 27.54 ft at 11:00PM May 23, 2018Observed: 27.48 ft at 12:00AM May 24, 2018Observed: 27.49 ft at 1:00AM May 24, 2018Observed: 27.48 ft at 2:00AM May 24, 2018Observed: 27.44 ft at 3:00AM May 24, 2018Observed: 27.46 ft at 4:00AM May 24, 2018Observed: 27.44 ft at 5:00AM May 24, 2018Observed: 27.47 ft at 6:00AM May 24, 2018Observed: 27.46 ft at 7:00AM May 24, 2018Observed: 27.37 ft at 8:00AM May 24, 2018Observed: 27.4 ft at 9:00AM May 24, 2018Observed: 27.31 ft at 10:00AM May 24, 2018Observed: 27.32 ft at 11:00AM May 24, 2018Observed: 27.33 ft at 12:00PM May 24, 2018Observed: 27.27 ft at 1:00PM May 24, 2018Observed: 27.26 ft at 2:00PM May 24, 2018Observed: 27.19 ft at 3:00PM May 24, 2018Observed: 27.22 ft at 4:00PM May 24, 2018Observed: 27.21 ft at 5:00PM May 24, 2018Observed: 27.03 ft at 6:00PM May 24, 2018Observed: 27.17 ft at 7:00PM May 24, 2018Observed: 27.1 ft at 8:00PM May 24, 2018Observed: 27.04 ft at 9:00PM May 24, 2018Observed: 27.07 ft at 10:00PM May 24, 2018Observed: 27.05 ft at 11:00PM May 24, 2018Observed: 27.04 ft at 12:00AM May 25, 2018Observed: 27 ft at 1:00AM May 25, 2018Observed: 26.94 ft at 2:00AM May 25, 2018Observed: 26.95 ft at 3:00AM May 25, 2018Observed: 26.89 ft at 4:00AM May 25, 2018Observed: 26.91 ft at 5:00AM May 25, 2018Observed: 26.85 ft at 6:00AM May 25, 2018Observed: 26.83 ft at 7:00AM May 25, 2018Observed: 26.8 ft at 8:00AM May 25, 2018Observed: 26.8 ft at 9:00AM May 25, 2018Observed: 26.78 ft at 10:00AM May 25, 2018Observed: 26.79 ft at 11:00AM May 25, 2018Observed: 26.74 ft at 12:00PM May 25, 2018Observed: 26.72 ft at 1:00PM May 25, 2018Observed: 26.64 ft at 2:00PM May 25, 2018Observed: 26.59 ft at 3:00PM May 25, 2018Observed: 26.64 ft at 4:00PM May 25, 2018Observed: 26.61 ft at 5:00PM May 25, 2018Observed: 26.61 ft at 6:00PM May 25, 2018Observed: 26.59 ft at 7:00PM May 25, 2018Observed: 26.57 ft at 8:00PM May 25, 2018Observed: 26.54 ft at 9:00PM May 25, 2018Observed: 26.56 ft at 10:00PM May 25, 2018Observed: 26.56 ft at 11:00PM May 25, 2018Observed: 26.55 ft at 12:00AM May 26, 2018Observed: 26.48 ft at 1:00AM May 26, 2018Observed: 26.51 ft at 2:00AM May 26, 2018Observed: 26.44 ft at 3:00AM May 26, 2018Observed: 26.46 ft at 4:00AM May 26, 2018Observed: 26.41 ft at 5:00AM May 26, 2018Observed: 26.47 ft at 6:00AM May 26, 2018Observed: 26.44 ft at 7:00AM May 26, 2018Observed: 26.41 ft at 8:00AM May 26, 2018Observed: 26.43 ft at 9:00AM May 26, 2018Observed: 26.41 ft at 10:00AM May 26, 2018Observed: 26.42 ft at 11:00AM May 26, 2018Observed: 26.42 ft at 12:00PM May 26, 2018Observed: 26.43 ft at 1:00PM May 26, 2018Observed: 26.4 ft at 2:00PM May 26, 2018Observed: 26.41 ft at 3:00PM May 26, 2018Observed: 26.4 ft at 4:00PM May 26, 2018Observed: 26.32 ft at 5:00PM May 26, 2018Forecast: 26.4 ft 7:00PM May 26, 2018Forecast: 26.4 ft 1:00AM May 27, 2018Forecast: 26.4 ft 7:00AM May 27, 2018Forecast: 26.4 ft 1:00PM May 27, 2018Forecast: 26.5 ft 7:00PM May 27, 2018Forecast: 26.7 ft 1:00AM May 28, 2018Forecast: 26.7 ft 7:00AM May 28, 2018Forecast: 26.8 ft 1:00PM May 28, 2018Forecast: 27 ft 7:00PM May 28, 2018Forecast: 27.1 ft 1:00AM May 29, 2018Forecast: 27.1 ft 7:00AM May 29, 2018Forecast: 27.2 ft 1:00PM May 29, 2018Forecast: 27.4 ft 7:00PM May 29, 2018Forecast: 27.5 ft 1:00AM May 30, 2018Forecast: 27.6 ft 7:00AM May 30, 2018Forecast: 27.7 ft 1:00PM May 30, 2018Forecast: 27.8 ft 7:00PM May 30, 2018Forecast: 28 ft 1:00AM May 31, 2018Forecast: 28.1 ft 7:00AM May 31, 2018Forecast: 28.2 ft 1:00PM May 31, 2018Forecast: 28.3 ft 7:00PM May 31, 2018Forecast: 28.4 ft 1:00AM Jun 01, 2018Forecast: 28.5 ft 7:00AM Jun 01, 2018Forecast: 28.6 ft 1:00PM Jun 01, 2018Forecast: 28.7 ft 7:00PM Jun 01, 2018Forecast: 28.8 ft 1:00AM Jun 02, 2018Forecast: 28.9 ft 7:00AM Jun 02, 2018Forecast: 29 ft 1:00PM Jun 02, 2018Forecast: 29.1 ft 7:00PM Jun 02, 2018Forecast: 29.2 ft 1:00AM Jun 03, 2018Forecast: 29.2 ft 7:00AM Jun 03, 2018Forecast: 29.3 ft 1:00PM Jun 03, 2018Forecast: 29.4 ft 7:00PM Jun 03, 2018Highest Forecast: 29.5 ft 1:00AM Jun 04, 2018Highest Forecast: 29.5 ft 7:00AM Jun 04, 2018Highest Forecast: 29.5 ft 1:00PM Jun 04, 2018Forecast: 29.4 ft 7:00PM Jun 04, 2018Forecast: 29.3 ft 1:00AM Jun 05, 2018Forecast: 29.3 ft 7:00AM Jun 05, 2018Forecast: 29.2 ft 1:00PM Jun 05, 2018Forecast: 29.2 ft 7:00PM Jun 05, 2018Forecast: 29.1 ft 1:00AM Jun 06, 2018Forecast: 28.9 ft 7:00AM Jun 06, 2018Forecast: 28.8 ft 1:00PM Jun 06, 2018Forecast: 28.6 ft 7:00PM Jun 06, 2018Forecast: 28.4 ft 1:00AM Jun 07, 2018Forecast: 28.3 ft 7:00AM Jun 07, 2018Forecast: 28 ft 1:00PM Jun 07, 2018Forecast: 27.6 ft 7:00PM Jun 07, 2018Forecast: 27.2 ft 1:00AM Jun 08, 2018Forecast: 26.8 ft 7:00AM Jun 08, 2018Forecast: 26.4 ft 1:00PM Jun 08, 2018Forecast: 26 ft 7:00PM Jun 08, 2018Forecast: 25.7 ft 1:00AM Jun 09, 2018Forecast: 25.4 ft 7:00AM Jun 09, 2018Forecast: 25.1 ft 1:00PM Jun 09, 2018BTRL1(plotting HGIRG) Graph Created (6:23PM May 26, 2018)ObservedForecast (issued 10:33AM May 26)Latest observed value: 26.32 ft at 5:00 PM CDT 26-May-2018. Flood Stage is 35 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
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 05/16/1922
(3) 45.18 ft on 04/29/1945
(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) 40.60 ft on 05/30/2017
(2) 40.60 ft on 05/30/2017
(3) 38.47 ft on 03/21/2016
(4) 43.28 ft on 01/18/2016
(5) 43.28 ft on 01/17/2016
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.
Zoom Level:16
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Gauge LocationGauge Map Marker
 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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