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Hydrograph River at a Glance Download
Atchafalaya River at Simmesport Stage (ft)Observed: 9.17 ft at 12:30PM Aug 05, 2022Observed: 9.18 ft at 12:45PM Aug 05, 2022Observed: 9.2 ft at 1:00PM Aug 05, 2022Observed: 9.21 ft at 1:15PM Aug 05, 2022Observed: 9.21 ft at 1:30PM Aug 05, 2022Observed: 9.27 ft at 1:45PM Aug 05, 2022Observed: 9.28 ft at 2:00PM Aug 05, 2022Observed: 9.25 ft at 2:15PM Aug 05, 2022Observed: 9.33 ft at 2:30PM Aug 05, 2022Observed: 9.27 ft at 2:45PM Aug 05, 2022Observed: 9.36 ft at 3:00PM Aug 05, 2022Observed: 9.39 ft at 3:15PM Aug 05, 2022Observed: 9.4 ft at 3:30PM Aug 05, 2022Observed: 9.44 ft at 3:45PM Aug 05, 2022Observed: 9.47 ft at 4:00PM Aug 05, 2022Observed: 9.42 ft at 4:15PM Aug 05, 2022Observed: 9.48 ft at 4:30PM Aug 05, 2022Observed: 9.51 ft at 4:45PM Aug 05, 2022Observed: 9.57 ft at 5:00PM Aug 05, 2022Observed: 9.58 ft at 5:15PM Aug 05, 2022Observed: 9.58 ft at 5:30PM Aug 05, 2022Observed: 9.59 ft at 5:45PM Aug 05, 2022Observed: 9.58 ft at 6:00PM Aug 05, 2022Observed: 9.63 ft at 6:15PM Aug 05, 2022Observed: 9.67 ft at 6:30PM Aug 05, 2022Observed: 9.65 ft at 6:45PM Aug 05, 2022Observed: 9.68 ft at 7:00PM Aug 05, 2022Observed: 9.71 ft at 7:15PM Aug 05, 2022Observed: 9.7 ft at 7:30PM Aug 05, 2022Observed: 9.73 ft at 7:45PM Aug 05, 2022Observed: 9.74 ft at 8:00PM Aug 05, 2022Observed: 9.75 ft at 8:15PM Aug 05, 2022Observed: 9.77 ft at 8:30PM Aug 05, 2022Observed: 9.78 ft at 8:45PM Aug 05, 2022Observed: 9.8 ft at 9:00PM Aug 05, 2022Observed: 9.81 ft at 9:15PM Aug 05, 2022Observed: 9.82 ft at 9:30PM Aug 05, 2022Observed: 9.84 ft at 9:45PM Aug 05, 2022Observed: 9.87 ft at 10:00PM Aug 05, 2022Observed: 9.86 ft at 10:15PM Aug 05, 2022Observed: 9.88 ft at 10:30PM Aug 05, 2022Observed: 9.87 ft at 10:45PM Aug 05, 2022Observed: 9.89 ft at 11:00PM Aug 05, 2022Observed: 9.91 ft at 11:15PM Aug 05, 2022Observed: 9.92 ft at 11:30PM Aug 05, 2022Observed: 9.97 ft at 11:45PM Aug 05, 2022Observed: 9.95 ft at 12:00AM Aug 06, 2022Observed: 9.96 ft at 12:15AM Aug 06, 2022Observed: 9.95 ft at 12:30AM Aug 06, 2022Observed: 9.96 ft at 12:45AM Aug 06, 2022Observed: 9.94 ft at 1:00AM Aug 06, 2022Observed: 9.97 ft at 1:15AM Aug 06, 2022Observed: 10 ft at 1:30AM Aug 06, 2022Observed: 10 ft at 1:45AM Aug 06, 2022Observed: 10.02 ft at 2:00AM Aug 06, 2022Observed: 10.02 ft at 2:15AM Aug 06, 2022Observed: 10.02 ft at 2:30AM Aug 06, 2022Observed: 10.03 ft at 2:45AM Aug 06, 2022Observed: 10.04 ft at 3:00AM Aug 06, 2022Observed: 10.05 ft at 3:15AM Aug 06, 2022Observed: 10.07 ft at 3:30AM Aug 06, 2022Observed: 10.07 ft at 3:45AM Aug 06, 2022Observed: 10.09 ft at 4:00AM Aug 06, 2022Observed: 10.1 ft at 4:15AM Aug 06, 2022Observed: 10.11 ft at 4:30AM Aug 06, 2022Observed: 10.12 ft at 4:45AM Aug 06, 2022Observed: 10.13 ft at 5:00AM Aug 06, 2022Observed: 10.15 ft at 5:15AM Aug 06, 2022Observed: 10.16 ft at 5:30AM Aug 06, 2022Observed: 10.15 ft at 5:45AM Aug 06, 2022Observed: 10.18 ft at 6:00AM Aug 06, 2022Observed: 10.21 ft at 6:15AM Aug 06, 2022Observed: 10.19 ft at 6:30AM Aug 06, 2022Observed: 10.22 ft at 6:45AM Aug 06, 2022Observed: 10.21 ft at 7:00AM Aug 06, 2022Observed: 10.23 ft at 7:15AM Aug 06, 2022Observed: 10.24 ft at 7:30AM Aug 06, 2022Observed: 10.22 ft at 7:45AM Aug 06, 2022Observed: 10.24 ft at 8:00AM Aug 06, 2022Observed: 10.24 ft at 8:15AM Aug 06, 2022Observed: 10.26 ft at 8:30AM Aug 06, 2022Observed: 10.27 ft at 8:45AM Aug 06, 2022Observed: 10.27 ft at 9:00AM Aug 06, 2022Observed: 10.28 ft at 9:15AM Aug 06, 2022Observed: 10.29 ft at 9:30AM Aug 06, 2022Observed: 10.31 ft at 9:45AM Aug 06, 2022Observed: 10.3 ft at 10:00AM Aug 06, 2022Observed: 10.34 ft at 10:15AM Aug 06, 2022Observed: 10.34 ft at 10:30AM Aug 06, 2022Observed: 10.35 ft at 10:45AM Aug 06, 2022Observed: 10.36 ft at 11:00AM Aug 06, 2022Observed: 10.37 ft at 11:15AM Aug 06, 2022Observed: 10.37 ft at 11:30AM Aug 06, 2022Observed: 10.41 ft at 11:45AM Aug 06, 2022Observed: 10.45 ft at 12:00PM Aug 06, 2022Observed: 10.47 ft at 12:15PM Aug 06, 2022Observed: 10.47 ft at 12:30PM Aug 06, 2022Observed: 10.49 ft at 12:45PM Aug 06, 2022Observed: 10.51 ft at 1:00PM Aug 06, 2022Observed: 10.49 ft at 1:15PM Aug 06, 2022Observed: 10.59 ft at 1:30PM Aug 06, 2022Observed: 10.59 ft at 1:45PM Aug 06, 2022Observed: 10.64 ft at 2:00PM Aug 06, 2022Observed: 10.62 ft at 2:15PM Aug 06, 2022Observed: 10.65 ft at 2:30PM Aug 06, 2022Observed: 10.72 ft at 2:45PM Aug 06, 2022Observed: 10.73 ft at 3:00PM Aug 06, 2022Observed: 10.73 ft at 3:15PM Aug 06, 2022Observed: 10.74 ft at 3:30PM Aug 06, 2022Observed: 10.76 ft at 3:45PM Aug 06, 2022Observed: 10.76 ft at 4:00PM Aug 06, 2022Observed: 10.77 ft at 4:15PM Aug 06, 2022Observed: 10.78 ft at 4:30PM Aug 06, 2022Observed: 10.77 ft at 4:45PM Aug 06, 2022Observed: 10.79 ft at 5:00PM Aug 06, 2022Observed: 10.79 ft at 5:15PM Aug 06, 2022Observed: 10.77 ft at 5:30PM Aug 06, 2022Observed: 10.77 ft at 5:45PM Aug 06, 2022Observed: 10.78 ft at 6:00PM Aug 06, 2022Observed: 10.77 ft at 6:15PM Aug 06, 2022Observed: 10.8 ft at 6:30PM Aug 06, 2022Observed: 10.79 ft at 6:45PM Aug 06, 2022Observed: 10.81 ft at 7:00PM Aug 06, 2022Observed: 10.79 ft at 7:15PM Aug 06, 2022Observed: 10.79 ft at 7:30PM Aug 06, 2022Observed: 10.8 ft at 7:45PM Aug 06, 2022Observed: 10.82 ft at 8:00PM Aug 06, 2022Observed: 10.83 ft at 8:15PM Aug 06, 2022Observed: 10.82 ft at 8:30PM Aug 06, 2022Observed: 10.81 ft at 8:45PM Aug 06, 2022Observed: 10.82 ft at 9:00PM Aug 06, 2022Observed: 10.79 ft at 9:15PM Aug 06, 2022Observed: 10.81 ft at 9:30PM Aug 06, 2022Observed: 10.82 ft at 9:45PM Aug 06, 2022Observed: 10.82 ft at 10:00PM Aug 06, 2022Observed: 10.85 ft at 10:15PM Aug 06, 2022Observed: 10.83 ft at 10:30PM Aug 06, 2022Observed: 10.84 ft at 10:45PM Aug 06, 2022Observed: 10.8 ft at 11:00PM Aug 06, 2022Observed: 10.81 ft at 11:15PM Aug 06, 2022Observed: 10.81 ft at 11:30PM Aug 06, 2022Observed: 10.81 ft at 11:45PM Aug 06, 2022Observed: 10.81 ft at 12:00AM Aug 07, 2022Observed: 10.82 ft at 12:15AM Aug 07, 2022Observed: 10.83 ft at 12:30AM Aug 07, 2022Observed: 10.83 ft at 12:45AM Aug 07, 2022Observed: 10.81 ft at 1:00AM Aug 07, 2022Observed: 10.85 ft at 1:15AM Aug 07, 2022Observed: 10.83 ft at 1:30AM Aug 07, 2022Observed: 10.84 ft at 1:45AM Aug 07, 2022Observed: 10.81 ft at 2:00AM Aug 07, 2022Observed: 10.82 ft at 2:15AM Aug 07, 2022Observed: 10.83 ft at 2:30AM Aug 07, 2022Observed: 10.81 ft at 2:45AM Aug 07, 2022Observed: 10.82 ft at 3:00AM Aug 07, 2022Observed: 10.81 ft at 3:15AM Aug 07, 2022Observed: 10.84 ft at 3:30AM Aug 07, 2022Observed: 10.83 ft at 3:45AM Aug 07, 2022Observed: 10.82 ft at 4:00AM Aug 07, 2022Observed: 10.83 ft at 4:15AM Aug 07, 2022Observed: 10.84 ft at 4:30AM Aug 07, 2022Observed: 10.84 ft at 4:45AM Aug 07, 2022Observed: 10.83 ft at 5:00AM Aug 07, 2022Observed: 10.83 ft at 5:15AM Aug 07, 2022Observed: 10.84 ft at 5:30AM Aug 07, 2022Observed: 10.86 ft at 5:45AM Aug 07, 2022Observed: 10.87 ft at 6:00AM Aug 07, 2022Observed: 10.88 ft at 6:15AM Aug 07, 2022Observed: 10.87 ft at 6:30AM Aug 07, 2022Observed: 10.88 ft at 6:45AM Aug 07, 2022Observed: 10.9 ft at 7:00AM Aug 07, 2022Observed: 10.91 ft at 7:15AM Aug 07, 2022Observed: 10.89 ft at 7:30AM Aug 07, 2022Observed: 10.9 ft at 7:45AM Aug 07, 2022Observed: 10.89 ft at 8:00AM Aug 07, 2022Observed: 10.9 ft at 8:15AM Aug 07, 2022Observed: 10.91 ft at 8:30AM Aug 07, 2022Observed: 10.9 ft at 8:45AM Aug 07, 2022Observed: 10.93 ft at 9:00AM Aug 07, 2022Observed: 10.9 ft at 9:15AM Aug 07, 2022Observed: 10.89 ft at 9:30AM Aug 07, 2022Observed: 10.89 ft at 9:45AM Aug 07, 2022Observed: 10.89 ft at 10:00AM Aug 07, 2022Observed: 10.88 ft at 10:15AM Aug 07, 2022Observed: 10.86 ft at 10:30AM Aug 07, 2022Observed: 10.89 ft at 10:45AM Aug 07, 2022Observed: 10.88 ft at 11:00AM Aug 07, 2022Observed: 10.88 ft at 11:15AM Aug 07, 2022Observed: 10.86 ft at 11:30AM Aug 07, 2022Observed: 10.86 ft at 11:45AM Aug 07, 2022Observed: 10.87 ft at 12:00PM Aug 07, 2022Observed: 10.86 ft at 12:15PM Aug 07, 2022Observed: 10.88 ft at 12:30PM Aug 07, 2022Observed: 10.88 ft at 12:45PM Aug 07, 2022Observed: 10.9 ft at 1:00PM Aug 07, 2022Observed: 10.82 ft at 1:15PM Aug 07, 2022Observed: 10.92 ft at 1:30PM Aug 07, 2022Observed: 10.92 ft at 1:45PM Aug 07, 2022Observed: 10.92 ft at 2:00PM Aug 07, 2022Observed: 10.93 ft at 2:15PM Aug 07, 2022Observed: 10.95 ft at 2:30PM Aug 07, 2022Observed: 10.94 ft at 2:45PM Aug 07, 2022Observed: 10.94 ft at 3:00PM Aug 07, 2022Observed: 10.94 ft at 3:15PM Aug 07, 2022Observed: 10.9 ft at 3:30PM Aug 07, 2022Observed: 10.94 ft at 3:45PM Aug 07, 2022Observed: 10.96 ft at 4:00PM Aug 07, 2022Observed: 10.91 ft at 4:15PM Aug 07, 2022Observed: 10.96 ft at 4:30PM Aug 07, 2022Observed: 10.96 ft at 4:45PM Aug 07, 2022Observed: 10.96 ft at 5:00PM Aug 07, 2022Observed: 10.98 ft at 5:15PM Aug 07, 2022Observed: 10.99 ft at 5:30PM Aug 07, 2022Observed: 10.99 ft at 5:45PM Aug 07, 2022Observed: 10.99 ft at 6:00PM Aug 07, 2022Observed: 10.92 ft at 6:15PM Aug 07, 2022Observed: 10.93 ft at 6:30PM Aug 07, 2022Observed: 10.94 ft at 6:45PM Aug 07, 2022Observed: 10.96 ft at 7:00PM Aug 07, 2022Observed: 11.02 ft at 7:15PM Aug 07, 2022Observed: 11.02 ft at 7:30PM Aug 07, 2022Observed: 11.06 ft at 7:45PM Aug 07, 2022Observed: 11.09 ft at 8:00PM Aug 07, 2022Observed: 11.11 ft at 8:15PM Aug 07, 2022Observed: 11.11 ft at 8:30PM Aug 07, 2022Observed: 11.1 ft at 8:45PM Aug 07, 2022Observed: 11.1 ft at 9:00PM Aug 07, 2022Observed: 11.09 ft at 9:15PM Aug 07, 2022Observed: 11.08 ft at 9:30PM Aug 07, 2022Observed: 11.11 ft at 9:45PM Aug 07, 2022Observed: 11.13 ft at 10:00PM Aug 07, 2022Observed: 11.17 ft at 10:15PM Aug 07, 2022Observed: 11.17 ft at 10:30PM Aug 07, 2022Observed: 11.17 ft at 10:45PM Aug 07, 2022Observed: 11.17 ft at 11:00PM Aug 07, 2022Observed: 11.17 ft at 11:15PM Aug 07, 2022Observed: 11.17 ft at 11:30PM Aug 07, 2022Observed: 11.17 ft at 11:45PM Aug 07, 2022Observed: 11.18 ft at 12:00AM Aug 08, 2022Observed: 11.19 ft at 12:15AM Aug 08, 2022Observed: 11.2 ft at 12:30AM Aug 08, 2022Observed: 11.22 ft at 12:45AM Aug 08, 2022Observed: 11.22 ft at 1:00AM Aug 08, 2022Observed: 11.24 ft at 1:15AM Aug 08, 2022Observed: 11.26 ft at 1:30AM Aug 08, 2022Observed: 11.28 ft at 1:45AM Aug 08, 2022Observed: 11.27 ft at 2:00AM Aug 08, 2022Observed: 11.27 ft at 2:15AM Aug 08, 2022Observed: 11.28 ft at 2:30AM Aug 08, 2022Observed: 11.29 ft at 2:45AM Aug 08, 2022Observed: 11.29 ft at 3:00AM Aug 08, 2022Observed: 11.29 ft at 3:15AM Aug 08, 2022Observed: 11.31 ft at 3:30AM Aug 08, 2022Observed: 11.34 ft at 3:45AM Aug 08, 2022Observed: 11.32 ft at 4:00AM Aug 08, 2022Observed: 11.33 ft at 4:15AM Aug 08, 2022Observed: 11.33 ft at 4:30AM Aug 08, 2022Observed: 11.32 ft at 4:45AM Aug 08, 2022Observed: 11.35 ft at 5:00AM Aug 08, 2022Observed: 11.34 ft at 5:15AM Aug 08, 2022Highest Observation: 11.36 ft at 5:30AM Aug 08, 2022Highest Observation: 11.36 ft at 5:45AM Aug 08, 2022Observed: 11.34 ft at 6:00AM Aug 08, 2022Observed: 11.34 ft at 6:15AM Aug 08, 2022Observed: 11.33 ft at 6:30AM Aug 08, 2022Observed: 11.33 ft at 6:45AM Aug 08, 2022Observed: 11.32 ft at 7:00AM Aug 08, 2022Observed: 11.34 ft at 7:15AM Aug 08, 2022Observed: 11.33 ft at 7:30AM Aug 08, 2022Observed: 11.32 ft at 7:45AM Aug 08, 2022Observed: 11.35 ft at 8:00AM Aug 08, 2022Observed: 11.33 ft at 8:15AM Aug 08, 2022Observed: 11.33 ft at 8:30AM Aug 08, 2022Observed: 11.31 ft at 8:45AM Aug 08, 2022Observed: 11.33 ft at 9:00AM Aug 08, 2022Observed: 11.32 ft at 9:15AM Aug 08, 2022Observed: 11.29 ft at 9:30AM Aug 08, 2022Observed: 11.3 ft at 9:45AM Aug 08, 2022Observed: 11.29 ft at 10:00AM Aug 08, 2022Observed: 11.29 ft at 10:15AM Aug 08, 2022Observed: 11.28 ft at 10:30AM Aug 08, 2022Observed: 11.22 ft at 10:45AM Aug 08, 2022Observed: 11.23 ft at 11:00AM Aug 08, 2022Observed: 11.22 ft at 11:15AM Aug 08, 2022Observed: 11.22 ft at 11:30AM Aug 08, 2022Forecast: 11.4 ft 1:00PM Aug 08, 2022Forecast: 11.4 ft 7:00PM Aug 08, 2022Forecast: 11.5 ft 1:00AM Aug 09, 2022Forecast: 11.5 ft 7:00AM Aug 09, 2022Forecast: 11.6 ft 1:00PM Aug 09, 2022Forecast: 11.6 ft 7:00PM Aug 09, 2022Forecast: 11.7 ft 1:00AM Aug 10, 2022Forecast: 11.7 ft 7:00AM Aug 10, 2022Forecast: 11.7 ft 1:00PM Aug 10, 2022Forecast: 11.8 ft 7:00PM Aug 10, 2022Forecast: 11.8 ft 1:00AM Aug 11, 2022Forecast: 11.8 ft 7:00AM Aug 11, 2022Highest Forecast: 11.9 ft 1:00PM Aug 11, 2022Highest Forecast: 11.9 ft 7:00PM Aug 11, 2022Highest Forecast: 11.9 ft 1:00AM Aug 12, 2022Highest Forecast: 11.9 ft 7:00AM Aug 12, 2022Highest Forecast: 11.9 ft 1:00PM Aug 12, 2022Highest Forecast: 11.9 ft 7:00PM Aug 12, 2022Highest Forecast: 11.9 ft 1:00AM Aug 13, 2022Highest Forecast: 11.9 ft 7:00AM Aug 13, 2022Highest Forecast: 11.9 ft 1:00PM Aug 13, 2022Highest Forecast: 11.9 ft 7:00PM Aug 13, 2022Highest Forecast: 11.9 ft 1:00AM Aug 14, 2022Highest Forecast: 11.9 ft 7:00AM Aug 14, 2022Forecast: 11.8 ft 1:00PM Aug 14, 2022Forecast: 11.8 ft 7:00PM Aug 14, 2022Forecast: 11.8 ft 1:00AM Aug 15, 2022Forecast: 11.7 ft 7:00AM Aug 15, 2022Forecast: 11.7 ft 1:00PM Aug 15, 2022Forecast: 11.6 ft 7:00PM Aug 15, 2022Forecast: 11.6 ft 1:00AM Aug 16, 2022Forecast: 11.5 ft 7:00AM Aug 16, 2022Forecast: 11.4 ft 1:00PM Aug 16, 2022Forecast: 11.3 ft 7:00PM Aug 16, 2022Forecast: 11.3 ft 1:00AM Aug 17, 2022Forecast: 11.2 ft 7:00AM Aug 17, 2022Forecast: 11.1 ft 1:00PM Aug 17, 2022Forecast: 11 ft 7:00PM Aug 17, 2022Forecast: 10.9 ft 1:00AM Aug 18, 2022Forecast: 10.9 ft 7:00AM Aug 18, 2022Forecast: 10.8 ft 1:00PM Aug 18, 2022Forecast: 10.7 ft 7:00PM Aug 18, 2022Forecast: 10.6 ft 1:00AM Aug 19, 2022Forecast: 10.5 ft 7:00AM Aug 19, 2022Forecast: 10.5 ft 1:00PM Aug 19, 2022Forecast: 10.4 ft 7:00PM Aug 19, 2022Forecast: 10.3 ft 1:00AM Aug 20, 2022Forecast: 10.2 ft 7:00AM Aug 20, 2022Forecast: 10.2 ft 1:00PM Aug 20, 2022Forecast: 10.1 ft 7:00PM Aug 20, 2022Forecast: 10 ft 1:00AM Aug 21, 2022Forecast: 9.9 ft 7:00AM Aug 21, 2022Forecast: 9.8 ft 1:00PM Aug 21, 2022Forecast: 9.8 ft 7:00PM Aug 21, 2022Forecast: 9.7 ft 1:00AM Aug 22, 2022Forecast: 9.6 ft 7:00AM Aug 22, 2022USGS--Water Resources of the United StatesSMML1(plotting HGIRG) Graph Created (12:24PM Aug 8, 2022)ObservedForecast (issued 10:16AM Aug 8)Latest observed value: 11.22 ft at 11:30 AM CDT 8-Aug-2022. Flood Stage is 40 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Atchafalaya River at Simmesport are issued routinely year-round.

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Downstream Gauge Downstream Gauge - at Melville
Flood Categories (in feet)
Major Flood Stage: 50
Moderate Flood Stage: 44
Flood Stage: 40
Action Stage: 35
Low Stage (in feet): -9999

Historic Crests
(1) 59.13 ft on 05/16/1927
(2) 57.33 ft on 05/16/1922
(3) 57.14 ft on 04/30/1945
(4) 55.83 ft on 05/13/1912
(5) 55.03 ft on 03/01/1937
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 41.84 ft on 03/18/2018
(2) 38.33 ft on 05/30/2017
(3) 41.58 ft on 01/17/2016
(4) 34.70 ft on 07/28/2015
(5) 29.74 ft on 04/24/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.31 ft on 11/08/1891
(2) 0.31 ft on 11/01/1991
(3) 0.70 ft on 10/17/1976
Show More Low Water Records
Zoom Level:16
KML Image
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
61 The river level is at the net grade protection of the levee system
60 The river is at the lowest height of the back ring protection levee around the city of Simmesport
43 The river stage is at the natural ground elevation of areas protected by the levee system
40 There will be flooding of areas inside the levees of the atchafalya floodway. Considerable flooding in the backwater storage area in Avoyelles Parish.
35 Backwater flooding of unprotected areas above Simmesport will begin
About This Location Collapse

Latitude: 30.982500° N, Longitude: 91.798333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 40 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 -0.12 ft 46.88 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available 47.00 ft 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
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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
Lake Charles Weather Forecast Office
500 Airport Boulevard
Lake Charles, LA 70607
(337) 477-5285
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Page last modified: 2-Nov-2020 7:29 PM
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