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Water Levels By:
National Weather
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Mississippi River at Baton Rouge (01160)
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Stream Name: Mississippi River
Gage Zero: 0 Ft. NGVD
Flood Stage:35 Ft.
Record High Stage:47.28 Ft.
Longitude: -91.20694444
Latitude: 30.42916667
River Mile: 228.4
Record High Stage Date: 05/15/1927
Location of Gage :

On forebay wall of Port Allen Lock at river mile 228.4, natural flow affected by tides at low water.   

Adjustment for vertical datum NAVD88 (OPUS 2019):  -0.71 ft. 
(e.g. for data relative to NAVD88 subtract 0.71 ft.)

To adjust NAVD88 (OPUS 2010) values to 2007 Low Water Reference Plane (LWRP) datum relative to NAVD88, subtract 2.5 ft.

 ** Raw data, subject to change **

Latest Data
09/26/2022 01:00 Central
Latest Stage6.69 Ft.
24 Hr. Change-0.02 Ft.
Tomorrow's Forecast
(Issued 09/25/2022 14:40)
5.90 Ft.   Plot Tomorrow's Forecast
24 Hr. Precip TotalM   View Pricip Table
Latest Air TempM
Atmospheric Pressure29.90 In
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Daily Historic Data
(08:00 Central Reading)
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(Yearly Formatted)
Additional Links:
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Yearly Stage Hydrograph
River Velocity Table
Annual Hi / Low Stages
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