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Hydrograph River at a Glance Download
Mississippi River at Baton Rouge Stage (ft)Highest Observation: 30.93 ft at 4:00AM Aug 11, 2019Observed: 30.89 ft at 5:00AM Aug 11, 2019Observed: 30.88 ft at 6:00AM Aug 11, 2019Observed: 30.87 ft at 7:00AM Aug 11, 2019Observed: 30.72 ft at 8:00AM Aug 11, 2019Observed: 30.75 ft at 9:00AM Aug 11, 2019Observed: 30.76 ft at 10:00AM Aug 11, 2019Observed: 30.69 ft at 11:00AM Aug 11, 2019Observed: 30.66 ft at 12:00PM Aug 11, 2019Observed: 30.66 ft at 1:00PM Aug 11, 2019Observed: 30.64 ft at 2:00PM Aug 11, 2019Observed: 30.57 ft at 3:00PM Aug 11, 2019Observed: 30.47 ft at 4:00PM Aug 11, 2019Observed: 30.47 ft at 5:00PM Aug 11, 2019Observed: 30.47 ft at 6:00PM Aug 11, 2019Observed: 30.43 ft at 7:00PM Aug 11, 2019Observed: 30.47 ft at 8:00PM Aug 11, 2019Observed: 30.36 ft at 9:00PM Aug 11, 2019Observed: 30.36 ft at 10:00PM Aug 11, 2019Observed: 30.34 ft at 11:00PM Aug 11, 2019Observed: 30.31 ft at 12:00AM Aug 12, 2019Observed: 30.26 ft at 1:00AM Aug 12, 2019Observed: 30.1 ft at 2:00AM Aug 12, 2019Observed: 30.19 ft at 3:00AM Aug 12, 2019Observed: 30.13 ft at 4:00AM Aug 12, 2019Observed: 30.08 ft at 5:00AM Aug 12, 2019Observed: 30.05 ft at 6:00AM Aug 12, 2019Observed: 30.03 ft at 7:00AM Aug 12, 2019Observed: 30.05 ft at 8:00AM Aug 12, 2019Observed: 29.94 ft at 9:00AM Aug 12, 2019Observed: 29.9 ft at 10:00AM Aug 12, 2019Observed: 29.9 ft at 11:00AM Aug 12, 2019Observed: 29.83 ft at 12:00PM Aug 12, 2019Observed: 29.86 ft at 1:00PM Aug 12, 2019Observed: 29.82 ft at 2:00PM Aug 12, 2019Observed: 29.75 ft at 3:00PM Aug 12, 2019Observed: 29.76 ft at 4:00PM Aug 12, 2019Observed: 29.7 ft at 5:00PM Aug 12, 2019Observed: 29.69 ft at 6:00PM Aug 12, 2019Observed: 29.63 ft at 7:00PM Aug 12, 2019Observed: 29.65 ft at 8:00PM Aug 12, 2019Observed: 29.55 ft at 9:00PM Aug 12, 2019Observed: 29.58 ft at 10:00PM Aug 12, 2019Observed: 29.52 ft at 11:00PM Aug 12, 2019Observed: 29.57 ft at 12:00AM Aug 13, 2019Observed: 29.54 ft at 1:00AM Aug 13, 2019Observed: 29.4 ft at 2:00AM Aug 13, 2019Observed: 29.39 ft at 3:00AM Aug 13, 2019Observed: 29.37 ft at 4:00AM Aug 13, 2019Observed: 29.39 ft at 5:00AM Aug 13, 2019Observed: 29.35 ft at 6:00AM Aug 13, 2019Observed: 29.28 ft at 7:00AM Aug 13, 2019Observed: 29.3 ft at 8:00AM Aug 13, 2019Observed: 29.22 ft at 9:00AM Aug 13, 2019Observed: 29.19 ft at 10:00AM Aug 13, 2019Observed: 29.13 ft at 11:00AM Aug 13, 2019Observed: 29.11 ft at 12:00PM Aug 13, 2019Observed: 29.06 ft at 1:00PM Aug 13, 2019Observed: 28.93 ft at 2:00PM Aug 13, 2019Observed: 29 ft at 3:00PM Aug 13, 2019Observed: 28.93 ft at 4:00PM Aug 13, 2019Observed: 28.95 ft at 5:00PM Aug 13, 2019Observed: 28.91 ft at 6:00PM Aug 13, 2019Observed: 28.86 ft at 7:00PM Aug 13, 2019Observed: 28.87 ft at 8:00PM Aug 13, 2019Observed: 28.81 ft at 9:00PM Aug 13, 2019Observed: 28.87 ft at 10:00PM Aug 13, 2019Observed: 28.79 ft at 11:00PM Aug 13, 2019Observed: 28.74 ft at 12:00AM Aug 14, 2019Observed: 28.72 ft at 1:00AM Aug 14, 2019Observed: 28.6 ft at 2:00AM Aug 14, 2019Observed: 28.61 ft at 3:00AM Aug 14, 2019Observed: 28.6 ft at 4:00AM Aug 14, 2019Observed: 28.52 ft at 5:00AM Aug 14, 2019Observed: 28.56 ft at 6:00AM Aug 14, 2019Observed: 28.47 ft at 7:00AM Aug 14, 2019Observed: 28.46 ft at 8:00AM Aug 14, 2019Observed: 28.39 ft at 9:00AM Aug 14, 2019Observed: 28.44 ft at 10:00AM Aug 14, 2019Observed: 28.3 ft at 11:00AM Aug 14, 2019Observed: 28.32 ft at 12:00PM Aug 14, 2019Observed: 28.24 ft at 1:00PM Aug 14, 2019Observed: 28.18 ft at 2:00PM Aug 14, 2019Observed: 28.21 ft at 3:00PM Aug 14, 2019Observed: 28.21 ft at 4:00PM Aug 14, 2019Observed: 28.11 ft at 5:00PM Aug 14, 2019Observed: 28.18 ft at 6:00PM Aug 14, 2019Observed: 28.11 ft at 7:00PM Aug 14, 2019Observed: 28.01 ft at 8:00PM Aug 14, 2019Observed: 28.1 ft at 9:00PM Aug 14, 2019Observed: 28.05 ft at 10:00PM Aug 14, 2019Observed: 28.02 ft at 11:00PM Aug 14, 2019Observed: 27.97 ft at 12:00AM Aug 15, 2019Observed: 28.03 ft at 1:00AM Aug 15, 2019Observed: 27.87 ft at 2:00AM Aug 15, 2019Observed: 27.85 ft at 3:00AM Aug 15, 2019Observed: 27.78 ft at 4:00AM Aug 15, 2019Observed: 27.79 ft at 5:00AM Aug 15, 2019Observed: 27.59 ft at 6:00AM Aug 15, 2019Observed: 27.7 ft at 7:00AM Aug 15, 2019Observed: 27.64 ft at 8:00AM Aug 15, 2019Observed: 27.64 ft at 9:00AM Aug 15, 2019Observed: 27.58 ft at 10:00AM Aug 15, 2019Observed: 27.45 ft at 11:00AM Aug 15, 2019Observed: 27.51 ft at 12:00PM Aug 15, 2019Observed: 27.42 ft at 1:00PM Aug 15, 2019Observed: 27.44 ft at 2:00PM Aug 15, 2019Observed: 27.38 ft at 3:00PM Aug 15, 2019Observed: 27.32 ft at 4:00PM Aug 15, 2019Observed: 27.3 ft at 5:00PM Aug 15, 2019Observed: 27.25 ft at 6:00PM Aug 15, 2019Observed: 27.24 ft at 7:00PM Aug 15, 2019Observed: 27.19 ft at 8:00PM Aug 15, 2019Observed: 27.17 ft at 9:00PM Aug 15, 2019Observed: 27.02 ft at 10:00PM Aug 15, 2019Observed: 27.11 ft at 11:00PM Aug 15, 2019Observed: 27.06 ft at 12:00AM Aug 16, 2019Observed: 27.02 ft at 1:00AM Aug 16, 2019Observed: 26.98 ft at 2:00AM Aug 16, 2019Observed: 26.91 ft at 3:00AM Aug 16, 2019Observed: 26.91 ft at 4:00AM Aug 16, 2019Observed: 26.7 ft at 5:00AM Aug 16, 2019Observed: 26.81 ft at 6:00AM Aug 16, 2019Observed: 26.79 ft at 7:00AM Aug 16, 2019Observed: 26.73 ft at 8:00AM Aug 16, 2019Observed: 26.7 ft at 9:00AM Aug 16, 2019Observed: 26.66 ft at 10:00AM Aug 16, 2019Observed: 26.54 ft at 11:00AM Aug 16, 2019Observed: 26.53 ft at 12:00PM Aug 16, 2019Observed: 26.52 ft at 1:00PM Aug 16, 2019Observed: 26.44 ft at 2:00PM Aug 16, 2019Observed: 26.34 ft at 3:00PM Aug 16, 2019Observed: 26.39 ft at 4:00PM Aug 16, 2019Observed: 26.36 ft at 5:00PM Aug 16, 2019Observed: 26.31 ft at 6:00PM Aug 16, 2019Observed: 26.29 ft at 7:00PM Aug 16, 2019Observed: 26.27 ft at 8:00PM Aug 16, 2019Observed: 26.15 ft at 9:00PM Aug 16, 2019Observed: 26.1 ft at 10:00PM Aug 16, 2019Observed: 26.07 ft at 11:00PM Aug 16, 2019Observed: 26.05 ft at 12:00AM Aug 17, 2019Observed: 25.99 ft at 1:00AM Aug 17, 2019Observed: 25.95 ft at 2:00AM Aug 17, 2019Observed: 25.85 ft at 3:00AM Aug 17, 2019Observed: 25.85 ft at 4:00AM Aug 17, 2019Observed: 25.81 ft at 5:00AM Aug 17, 2019Observed: 25.72 ft at 6:00AM Aug 17, 2019Observed: 25.67 ft at 7:00AM Aug 17, 2019Observed: 25.67 ft at 8:00AM Aug 17, 2019Observed: 25.54 ft at 9:00AM Aug 17, 2019Observed: 25.53 ft at 10:00AM Aug 17, 2019Observed: 25.5 ft at 11:00AM Aug 17, 2019Observed: 25.54 ft at 12:00PM Aug 17, 2019Observed: 25.39 ft at 1:00PM Aug 17, 2019Observed: 25.3 ft at 2:00PM Aug 17, 2019Observed: 25.27 ft at 3:00PM Aug 17, 2019Observed: 25.23 ft at 4:00PM Aug 17, 2019Observed: 25.18 ft at 5:00PM Aug 17, 2019Observed: 25.2 ft at 6:00PM Aug 17, 2019Observed: 25.06 ft at 7:00PM Aug 17, 2019Observed: 25.07 ft at 8:00PM Aug 17, 2019Observed: 25.01 ft at 9:00PM Aug 17, 2019Observed: 24.97 ft at 10:00PM Aug 17, 2019Observed: 24.79 ft at 11:00PM Aug 17, 2019Observed: 24.89 ft at 12:00AM Aug 18, 2019Observed: 24.81 ft at 1:00AM Aug 18, 2019Observed: 24.77 ft at 2:00AM Aug 18, 2019Observed: 24.68 ft at 3:00AM Aug 18, 2019Highest Forecast: 24.5 ft 7:00AM Aug 18, 2019Forecast: 24.3 ft 1:00PM Aug 18, 2019Forecast: 24.1 ft 7:00PM Aug 18, 2019Forecast: 23.8 ft 1:00AM Aug 19, 2019Forecast: 23.7 ft 7:00AM Aug 19, 2019Forecast: 23.4 ft 1:00PM Aug 19, 2019Forecast: 23.2 ft 7:00PM Aug 19, 2019Forecast: 23 ft 1:00AM Aug 20, 2019Forecast: 22.8 ft 7:00AM Aug 20, 2019Forecast: 22.6 ft 1:00PM Aug 20, 2019Forecast: 22.4 ft 7:00PM Aug 20, 2019Forecast: 22.2 ft 1:00AM Aug 21, 2019Forecast: 22 ft 7:00AM Aug 21, 2019Forecast: 21.9 ft 1:00PM Aug 21, 2019Forecast: 21.8 ft 7:00PM Aug 21, 2019Forecast: 21.6 ft 1:00AM Aug 22, 2019Forecast: 21.5 ft 7:00AM Aug 22, 2019Forecast: 21.4 ft 1:00PM Aug 22, 2019Forecast: 21.3 ft 7:00PM Aug 22, 2019Forecast: 21.2 ft 1:00AM Aug 23, 2019Forecast: 21.1 ft 7:00AM Aug 23, 2019Forecast: 20.9 ft 1:00PM Aug 23, 2019Forecast: 20.9 ft 7:00PM Aug 23, 2019Forecast: 20.7 ft 1:00AM Aug 24, 2019Forecast: 20.6 ft 7:00AM Aug 24, 2019Forecast: 20.5 ft 1:00PM Aug 24, 2019Forecast: 20.4 ft 7:00PM Aug 24, 2019Forecast: 20.3 ft 1:00AM Aug 25, 2019Forecast: 20.1 ft 7:00AM Aug 25, 2019Forecast: 20.1 ft 1:00PM Aug 25, 2019Forecast: 20 ft 7:00PM Aug 25, 2019Forecast: 19.9 ft 1:00AM Aug 26, 2019Forecast: 19.9 ft 7:00AM Aug 26, 2019Forecast: 19.8 ft 1:00PM Aug 26, 2019Forecast: 19.7 ft 7:00PM Aug 26, 2019Forecast: 19.6 ft 1:00AM Aug 27, 2019Forecast: 19.6 ft 7:00AM Aug 27, 2019Forecast: 19.5 ft 1:00PM Aug 27, 2019Forecast: 19.4 ft 7:00PM Aug 27, 2019Forecast: 19.3 ft 1:00AM Aug 28, 2019Forecast: 19.2 ft 7:00AM Aug 28, 2019Forecast: 19.2 ft 1:00PM Aug 28, 2019Forecast: 19.1 ft 7:00PM Aug 28, 2019Forecast: 19 ft 1:00AM Aug 29, 2019Forecast: 18.9 ft 7:00AM Aug 29, 2019Forecast: 18.9 ft 1:00PM Aug 29, 2019Forecast: 18.8 ft 7:00PM Aug 29, 2019Forecast: 18.7 ft 1:00AM Aug 30, 2019Forecast: 18.6 ft 7:00AM Aug 30, 2019Forecast: 18.5 ft 1:00PM Aug 30, 2019Forecast: 18.5 ft 7:00PM Aug 30, 2019Forecast: 18.4 ft 1:00AM Aug 31, 2019Forecast: 18.3 ft 7:00AM Aug 31, 2019Forecast: 18.2 ft 1:00PM Aug 31, 2019Forecast: 18.2 ft 7:00PM Aug 31, 2019Forecast: 18.1 ft 1:00AM Sep 01, 2019BTRL1(plotting HGIRG) Graph Created (3:38AM Aug 18, 2019)ObservedForecast (issued 10:06AM Aug 17)Latest observed value: 24.68 ft at 3:00 AM CDT 18-Aug-2019. 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 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.
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.
Flood Impacts & Photos Collapse
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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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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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