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Hydrograph River at a Glance Download
Atchafalaya River at Simmesport Stage (ft)Observed: 23.35 ft at 2:15PM Apr 13, 2024Observed: 23.39 ft at 2:30PM Apr 13, 2024Observed: 23.41 ft at 2:45PM Apr 13, 2024Observed: 23.4 ft at 3:00PM Apr 13, 2024Observed: 23.47 ft at 3:15PM Apr 13, 2024Observed: 23.48 ft at 3:30PM Apr 13, 2024Observed: 23.52 ft at 3:45PM Apr 13, 2024Observed: 23.51 ft at 4:00PM Apr 13, 2024Observed: 23.55 ft at 4:15PM Apr 13, 2024Observed: 23.57 ft at 4:30PM Apr 13, 2024Observed: 23.61 ft at 4:45PM Apr 13, 2024Observed: 23.62 ft at 5:00PM Apr 13, 2024Observed: 23.62 ft at 5:15PM Apr 13, 2024Observed: 23.64 ft at 5:30PM Apr 13, 2024Observed: 23.68 ft at 5:45PM Apr 13, 2024Observed: 23.68 ft at 6:00PM Apr 13, 2024Observed: 23.69 ft at 6:15PM Apr 13, 2024Observed: 23.75 ft at 6:30PM Apr 13, 2024Observed: 23.74 ft at 6:45PM Apr 13, 2024Observed: 23.78 ft at 7:00PM Apr 13, 2024Observed: 23.81 ft at 7:15PM Apr 13, 2024Observed: 23.83 ft at 7:30PM Apr 13, 2024Observed: 23.83 ft at 7:45PM Apr 13, 2024Observed: 23.89 ft at 8:00PM Apr 13, 2024Observed: 23.86 ft at 8:15PM Apr 13, 2024Observed: 23.88 ft at 8:30PM Apr 13, 2024Observed: 23.94 ft at 8:45PM Apr 13, 2024Observed: 23.92 ft at 9:00PM Apr 13, 2024Observed: 23.94 ft at 9:15PM Apr 13, 2024Observed: 23.93 ft at 9:30PM Apr 13, 2024Observed: 23.98 ft at 9:45PM Apr 13, 2024Observed: 23.96 ft at 10:00PM Apr 13, 2024Observed: 24.01 ft at 10:15PM Apr 13, 2024Observed: 24.01 ft at 10:30PM Apr 13, 2024Observed: 24.04 ft at 10:45PM Apr 13, 2024Observed: 24.03 ft at 11:00PM Apr 13, 2024Observed: 24.05 ft at 11:15PM Apr 13, 2024Observed: 24.07 ft at 11:30PM Apr 13, 2024Observed: 24.06 ft at 11:45PM Apr 13, 2024Observed: 24.08 ft at 12:00AM Apr 14, 2024Observed: 24.11 ft at 12:15AM Apr 14, 2024Observed: 24.12 ft at 12:30AM Apr 14, 2024Observed: 24.11 ft at 12:45AM Apr 14, 2024Observed: 24.14 ft at 1:00AM Apr 14, 2024Observed: 24.15 ft at 1:15AM Apr 14, 2024Observed: 24.14 ft at 1:30AM Apr 14, 2024Observed: 24.15 ft at 1:45AM Apr 14, 2024Observed: 24.16 ft at 2:00AM Apr 14, 2024Observed: 24.19 ft at 2:15AM Apr 14, 2024Observed: 24.2 ft at 2:30AM Apr 14, 2024Observed: 24.19 ft at 2:45AM Apr 14, 2024Observed: 24.2 ft at 3:00AM Apr 14, 2024Observed: 24.24 ft at 3:15AM Apr 14, 2024Observed: 24.23 ft at 3:30AM Apr 14, 2024Observed: 24.25 ft at 3:45AM Apr 14, 2024Observed: 24.26 ft at 4:00AM Apr 14, 2024Observed: 24.25 ft at 4:15AM Apr 14, 2024Observed: 24.27 ft at 4:30AM Apr 14, 2024Observed: 24.28 ft at 4:45AM Apr 14, 2024Observed: 24.28 ft at 5:00AM Apr 14, 2024Observed: 24.3 ft at 5:15AM Apr 14, 2024Observed: 24.31 ft at 5:30AM Apr 14, 2024Observed: 24.31 ft at 5:45AM Apr 14, 2024Observed: 24.31 ft at 6:00AM Apr 14, 2024Observed: 24.33 ft at 6:15AM Apr 14, 2024Observed: 24.35 ft at 6:30AM Apr 14, 2024Observed: 24.35 ft at 6:45AM Apr 14, 2024Observed: 24.38 ft at 7:00AM Apr 14, 2024Observed: 24.37 ft at 7:15AM Apr 14, 2024Observed: 24.37 ft at 7:30AM Apr 14, 2024Observed: 24.36 ft at 7:45AM Apr 14, 2024Observed: 24.35 ft at 8:00AM Apr 14, 2024Observed: 24.37 ft at 8:15AM Apr 14, 2024Observed: 24.39 ft at 8:30AM Apr 14, 2024Observed: 24.41 ft at 8:45AM Apr 14, 2024Observed: 24.38 ft at 9:00AM Apr 14, 2024Observed: 24.39 ft at 9:15AM Apr 14, 2024Observed: 24.45 ft at 9:30AM Apr 14, 2024Observed: 24.5 ft at 9:45AM Apr 14, 2024Observed: 24.46 ft at 10:00AM Apr 14, 2024Observed: 24.46 ft at 10:15AM Apr 14, 2024Observed: 24.42 ft at 10:30AM Apr 14, 2024Observed: 24.46 ft at 10:45AM Apr 14, 2024Observed: 24.47 ft at 11:00AM Apr 14, 2024Observed: 24.51 ft at 11:15AM Apr 14, 2024Observed: 24.49 ft at 11:30AM Apr 14, 2024Observed: 24.56 ft at 11:45AM Apr 14, 2024Observed: 24.63 ft at 12:00PM Apr 14, 2024Observed: 24.64 ft at 12:15PM Apr 14, 2024Observed: 24.64 ft at 12:30PM Apr 14, 2024Observed: 24.62 ft at 12:45PM Apr 14, 2024Observed: 24.68 ft at 1:00PM Apr 14, 2024Observed: 24.67 ft at 1:15PM Apr 14, 2024Observed: 24.72 ft at 1:30PM Apr 14, 2024Observed: 24.77 ft at 1:45PM Apr 14, 2024Observed: 24.8 ft at 2:00PM Apr 14, 2024Observed: 24.79 ft at 2:15PM Apr 14, 2024Observed: 24.83 ft at 2:30PM Apr 14, 2024Observed: 24.82 ft at 2:45PM Apr 14, 2024Observed: 24.89 ft at 3:00PM Apr 14, 2024Observed: 24.86 ft at 3:15PM Apr 14, 2024Observed: 24.86 ft at 3:30PM Apr 14, 2024Observed: 24.9 ft at 3:45PM Apr 14, 2024Observed: 24.9 ft at 4:00PM Apr 14, 2024Observed: 24.92 ft at 4:15PM Apr 14, 2024Observed: 24.97 ft at 4:30PM Apr 14, 2024Observed: 24.99 ft at 4:45PM Apr 14, 2024Observed: 24.99 ft at 5:00PM Apr 14, 2024Observed: 25 ft at 5:15PM Apr 14, 2024Observed: 25 ft at 5:30PM Apr 14, 2024Observed: 25.06 ft at 5:45PM Apr 14, 2024Observed: 25.06 ft at 6:00PM Apr 14, 2024Observed: 25.09 ft at 6:15PM Apr 14, 2024Observed: 25.04 ft at 6:30PM Apr 14, 2024Observed: 25.1 ft at 6:45PM Apr 14, 2024Observed: 25.12 ft at 7:00PM Apr 14, 2024Observed: 25.17 ft at 7:15PM Apr 14, 2024Observed: 25.15 ft at 7:30PM Apr 14, 2024Observed: 25.2 ft at 7:45PM Apr 14, 2024Observed: 25.21 ft at 8:00PM Apr 14, 2024Observed: 25.21 ft at 8:15PM Apr 14, 2024Observed: 25.26 ft at 8:30PM Apr 14, 2024Observed: 25.25 ft at 8:45PM Apr 14, 2024Observed: 25.28 ft at 9:00PM Apr 14, 2024Observed: 25.27 ft at 9:15PM Apr 14, 2024Observed: 25.3 ft at 9:30PM Apr 14, 2024Observed: 25.31 ft at 9:45PM Apr 14, 2024Observed: 25.33 ft at 10:00PM Apr 14, 2024Observed: 25.34 ft at 10:15PM Apr 14, 2024Observed: 25.35 ft at 10:30PM Apr 14, 2024Observed: 25.36 ft at 10:45PM Apr 14, 2024Observed: 25.37 ft at 11:00PM Apr 14, 2024Observed: 25.4 ft at 11:15PM Apr 14, 2024Observed: 25.38 ft at 11:30PM Apr 14, 2024Observed: 25.39 ft at 11:45PM Apr 14, 2024Observed: 25.41 ft at 12:00AM Apr 15, 2024Observed: 25.43 ft at 12:15AM Apr 15, 2024Observed: 25.43 ft at 12:30AM Apr 15, 2024Observed: 25.47 ft at 12:45AM Apr 15, 2024Observed: 25.44 ft at 1:00AM Apr 15, 2024Observed: 25.45 ft at 1:15AM Apr 15, 2024Observed: 25.47 ft at 1:30AM Apr 15, 2024Observed: 25.49 ft at 1:45AM Apr 15, 2024Observed: 25.49 ft at 2:00AM Apr 15, 2024Observed: 25.51 ft at 2:15AM Apr 15, 2024Observed: 25.51 ft at 2:30AM Apr 15, 2024Observed: 25.51 ft at 2:45AM Apr 15, 2024Observed: 25.53 ft at 3:00AM Apr 15, 2024Observed: 25.55 ft at 3:15AM Apr 15, 2024Observed: 25.54 ft at 3:30AM Apr 15, 2024Observed: 25.55 ft at 3:45AM Apr 15, 2024Observed: 25.56 ft at 4:00AM Apr 15, 2024Observed: 25.56 ft at 4:15AM Apr 15, 2024Observed: 25.56 ft at 4:30AM Apr 15, 2024Observed: 25.59 ft at 4:45AM Apr 15, 2024Observed: 25.58 ft at 5:00AM Apr 15, 2024Observed: 25.59 ft at 5:15AM Apr 15, 2024Observed: 25.6 ft at 5:30AM Apr 15, 2024Observed: 25.61 ft at 5:45AM Apr 15, 2024Observed: 25.61 ft at 6:00AM Apr 15, 2024Observed: 25.61 ft at 6:15AM Apr 15, 2024Observed: 25.64 ft at 6:30AM Apr 15, 2024Observed: 25.63 ft at 6:45AM Apr 15, 2024Observed: 25.63 ft at 7:00AM Apr 15, 2024Observed: 25.68 ft at 7:15AM Apr 15, 2024Observed: 25.66 ft at 7:30AM Apr 15, 2024Observed: 25.7 ft at 7:45AM Apr 15, 2024Observed: 25.68 ft at 8:00AM Apr 15, 2024Observed: 25.68 ft at 8:15AM Apr 15, 2024Observed: 25.68 ft at 8:30AM Apr 15, 2024Observed: 25.68 ft at 8:45AM Apr 15, 2024Observed: 25.7 ft at 9:00AM Apr 15, 2024Observed: 25.69 ft at 9:15AM Apr 15, 2024Observed: 25.67 ft at 9:30AM Apr 15, 2024Observed: 25.69 ft at 9:45AM Apr 15, 2024Observed: 25.66 ft at 10:00AM Apr 15, 2024Observed: 25.65 ft at 10:15AM Apr 15, 2024Observed: 25.69 ft at 10:30AM Apr 15, 2024Observed: 25.66 ft at 10:45AM Apr 15, 2024Observed: 25.68 ft at 11:00AM Apr 15, 2024Observed: 25.7 ft at 11:15AM Apr 15, 2024Observed: 25.69 ft at 11:30AM Apr 15, 2024Observed: 25.66 ft at 11:45AM Apr 15, 2024Observed: 25.66 ft at 12:00PM Apr 15, 2024Observed: 25.72 ft at 12:15PM Apr 15, 2024Observed: 25.69 ft at 12:30PM Apr 15, 2024Observed: 25.74 ft at 12:45PM Apr 15, 2024Observed: 25.68 ft at 1:00PM Apr 15, 2024Observed: 25.75 ft at 1:15PM Apr 15, 2024Observed: 25.72 ft at 1:30PM Apr 15, 2024Observed: 25.79 ft at 1:45PM Apr 15, 2024Observed: 25.78 ft at 2:00PM Apr 15, 2024Observed: 25.76 ft at 2:15PM Apr 15, 2024Observed: 25.77 ft at 2:30PM Apr 15, 2024Observed: 25.81 ft at 2:45PM Apr 15, 2024Observed: 25.79 ft at 3:00PM Apr 15, 2024Observed: 25.83 ft at 3:15PM Apr 15, 2024Observed: 25.78 ft at 3:30PM Apr 15, 2024Observed: 25.87 ft at 3:45PM Apr 15, 2024Observed: 25.85 ft at 4:00PM Apr 15, 2024Observed: 25.75 ft at 4:15PM Apr 15, 2024Observed: 25.81 ft at 4:30PM Apr 15, 2024Observed: 25.78 ft at 4:45PM Apr 15, 2024Observed: 25.87 ft at 5:00PM Apr 15, 2024Observed: 25.86 ft at 5:15PM Apr 15, 2024Observed: 25.88 ft at 5:30PM Apr 15, 2024Observed: 25.85 ft at 5:45PM Apr 15, 2024Observed: 25.87 ft at 6:00PM Apr 15, 2024Observed: 25.88 ft at 6:15PM Apr 15, 2024Observed: 25.9 ft at 6:30PM Apr 15, 2024Observed: 25.92 ft at 6:45PM Apr 15, 2024Observed: 25.96 ft at 7:00PM Apr 15, 2024Observed: 25.96 ft at 7:15PM Apr 15, 2024Observed: 25.98 ft at 7:30PM Apr 15, 2024Observed: 25.98 ft at 7:45PM Apr 15, 2024Observed: 26 ft at 8:00PM Apr 15, 2024Observed: 26 ft at 8:15PM Apr 15, 2024Observed: 26.01 ft at 8:30PM Apr 15, 2024Observed: 26.06 ft at 8:45PM Apr 15, 2024Observed: 26.06 ft at 9:00PM Apr 15, 2024Observed: 26.04 ft at 9:15PM Apr 15, 2024Observed: 26.05 ft at 9:30PM Apr 15, 2024Observed: 26.06 ft at 9:45PM Apr 15, 2024Observed: 26.08 ft at 10:00PM Apr 15, 2024Observed: 26.08 ft at 10:15PM Apr 15, 2024Observed: 26.08 ft at 10:30PM Apr 15, 2024Observed: 26.1 ft at 10:45PM Apr 15, 2024Observed: 26.11 ft at 11:00PM Apr 15, 2024Observed: 26.1 ft at 11:15PM Apr 15, 2024Observed: 26.12 ft at 11:30PM Apr 15, 2024Observed: 26.13 ft at 11:45PM Apr 15, 2024Observed: 26.12 ft at 12:00AM Apr 16, 2024Observed: 26.1 ft at 12:15AM Apr 16, 2024Observed: 26.12 ft at 12:30AM Apr 16, 2024Observed: 26.15 ft at 12:45AM Apr 16, 2024Observed: 26.14 ft at 1:00AM Apr 16, 2024Observed: 26.13 ft at 1:15AM Apr 16, 2024Observed: 26.16 ft at 1:30AM Apr 16, 2024Observed: 26.17 ft at 1:45AM Apr 16, 2024Observed: 26.17 ft at 2:00AM Apr 16, 2024Observed: 26.16 ft at 2:15AM Apr 16, 2024Observed: 26.19 ft at 2:30AM Apr 16, 2024Observed: 26.19 ft at 2:45AM Apr 16, 2024Observed: 26.19 ft at 3:00AM Apr 16, 2024Observed: 26.21 ft at 3:15AM Apr 16, 2024Observed: 26.23 ft at 3:30AM Apr 16, 2024Observed: 26.22 ft at 3:45AM Apr 16, 2024Observed: 26.25 ft at 4:00AM Apr 16, 2024Observed: 26.23 ft at 4:15AM Apr 16, 2024Observed: 26.24 ft at 4:30AM Apr 16, 2024Observed: 26.22 ft at 4:45AM Apr 16, 2024Observed: 26.21 ft at 5:00AM Apr 16, 2024Observed: 26.25 ft at 5:15AM Apr 16, 2024Observed: 26.22 ft at 5:30AM Apr 16, 2024Observed: 26.25 ft at 5:45AM Apr 16, 2024Observed: 26.27 ft at 6:00AM Apr 16, 2024Observed: 26.19 ft at 6:15AM Apr 16, 2024Observed: 26.26 ft at 6:30AM Apr 16, 2024Observed: 26.3 ft at 6:45AM Apr 16, 2024Observed: 26.27 ft at 7:00AM Apr 16, 2024Observed: 26.37 ft at 7:15AM Apr 16, 2024Observed: 26.3 ft at 7:30AM Apr 16, 2024Observed: 26.29 ft at 7:45AM Apr 16, 2024Observed: 26.29 ft at 8:00AM Apr 16, 2024Observed: 26.24 ft at 8:15AM Apr 16, 2024Observed: 26.27 ft at 8:30AM Apr 16, 2024Observed: 26.29 ft at 8:45AM Apr 16, 2024Observed: 26.26 ft at 9:00AM Apr 16, 2024Observed: 26.23 ft at 9:15AM Apr 16, 2024Observed: 26.26 ft at 9:30AM Apr 16, 2024Observed: 26.29 ft at 9:45AM Apr 16, 2024Observed: 26.24 ft at 10:00AM Apr 16, 2024Observed: 26.25 ft at 10:15AM Apr 16, 2024Observed: 26.3 ft at 10:30AM Apr 16, 2024Observed: 26.25 ft at 10:45AM Apr 16, 2024Observed: 26.29 ft at 11:00AM Apr 16, 2024Observed: 26.21 ft at 11:15AM Apr 16, 2024Observed: 26.28 ft at 11:30AM Apr 16, 2024Observed: 26.28 ft at 11:45AM Apr 16, 2024Observed: 26.3 ft at 12:00PM Apr 16, 2024Observed: 26.27 ft at 12:15PM Apr 16, 2024Observed: 26.35 ft at 12:30PM Apr 16, 2024Observed: 26.37 ft at 12:45PM Apr 16, 2024Observed: 26.39 ft at 1:00PM Apr 16, 2024Highest Observation: 26.42 ft at 1:15PM Apr 16, 2024Highest Observation: 26.42 ft at 1:30PM Apr 16, 2024Forecast: 26.6 ft 7:00PM Apr 16, 2024Forecast: 26.8 ft 1:00AM Apr 17, 2024Forecast: 27 ft 7:00AM Apr 17, 2024Forecast: 27.1 ft 1:00PM Apr 17, 2024Forecast: 27.2 ft 7:00PM Apr 17, 2024Forecast: 27.3 ft 1:00AM Apr 18, 2024Forecast: 27.4 ft 7:00AM Apr 18, 2024Forecast: 27.4 ft 1:00PM Apr 18, 2024Forecast: 27.4 ft 7:00PM Apr 18, 2024Highest Forecast: 27.5 ft 1:00AM Apr 19, 2024Highest Forecast: 27.5 ft 7:00AM Apr 19, 2024Highest Forecast: 27.5 ft 1:00PM Apr 19, 2024Highest Forecast: 27.5 ft 7:00PM Apr 19, 2024Highest Forecast: 27.5 ft 1:00AM Apr 20, 2024Highest Forecast: 27.5 ft 7:00AM Apr 20, 2024Highest Forecast: 27.5 ft 1:00PM Apr 20, 2024Highest Forecast: 27.5 ft 7:00PM Apr 20, 2024Highest Forecast: 27.5 ft 1:00AM Apr 21, 2024Highest Forecast: 27.5 ft 7:00AM Apr 21, 2024Highest Forecast: 27.5 ft 1:00PM Apr 21, 2024Highest Forecast: 27.5 ft 7:00PM Apr 21, 2024Highest Forecast: 27.5 ft 1:00AM Apr 22, 2024Highest Forecast: 27.5 ft 7:00AM Apr 22, 2024Highest Forecast: 27.5 ft 1:00PM Apr 22, 2024Highest Forecast: 27.5 ft 7:00PM Apr 22, 2024Highest Forecast: 27.5 ft 1:00AM Apr 23, 2024Highest Forecast: 27.5 ft 7:00AM Apr 23, 2024Highest Forecast: 27.5 ft 1:00PM Apr 23, 2024Highest Forecast: 27.5 ft 7:00PM Apr 23, 2024Forecast: 27.4 ft 1:00AM Apr 24, 2024Forecast: 27.4 ft 7:00AM Apr 24, 2024Forecast: 27.4 ft 1:00PM Apr 24, 2024Forecast: 27.4 ft 7:00PM Apr 24, 2024Forecast: 27.4 ft 1:00AM Apr 25, 2024Forecast: 27.4 ft 7:00AM Apr 25, 2024Forecast: 27.4 ft 1:00PM Apr 25, 2024Forecast: 27.3 ft 7:00PM Apr 25, 2024Forecast: 27.3 ft 1:00AM Apr 26, 2024Forecast: 27.3 ft 7:00AM Apr 26, 2024Forecast: 27.3 ft 1:00PM Apr 26, 2024Forecast: 27.3 ft 7:00PM Apr 26, 2024Forecast: 27.2 ft 1:00AM Apr 27, 2024Forecast: 27.2 ft 7:00AM Apr 27, 2024Forecast: 27.2 ft 1:00PM Apr 27, 2024Forecast: 27.2 ft 7:00PM Apr 27, 2024Forecast: 27.2 ft 1:00AM Apr 28, 2024Forecast: 27.1 ft 7:00AM Apr 28, 2024Forecast: 27.1 ft 1:00PM Apr 28, 2024Forecast: 27.1 ft 7:00PM Apr 28, 2024Forecast: 27.1 ft 1:00AM Apr 29, 2024Forecast: 27 ft 7:00AM Apr 29, 2024Forecast: 27 ft 1:00PM Apr 29, 2024Forecast: 27 ft 7:00PM Apr 29, 2024Forecast: 26.9 ft 1:00AM Apr 30, 2024Forecast: 26.9 ft 7:00AM Apr 30, 2024USGS--Water Resources of the United StatesSMML1(plotting HGIRG) Graph Created (2:10PM Apr 16, 2024)ObservedForecast (issued 9:47AM Apr 16)Latest observed value: 26.42 ft at 1:30 PM CDT 16-Apr-2024. 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) 31.53 ft on 03/24/2022
(2) 34.87 ft on 04/11/2021
(3) 39.88 ft on 04/14/2020
(4) 42.06 ft on 03/13/2019
(5) 41.95 ft on 03/16/2018
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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