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Hydrograph River at a Glance Download Inundation
Mapping
San Jacinto River near Sheldon Stage (ft)Flow (kcfs)Observed: 1.26 ft at 5:45AM Mar 26, 2024Observed: 1.15 ft at 6:55AM Mar 26, 2024Observed: 1.14 ft at 7:05AM Mar 26, 2024Observed: 1.25 ft at 8:25AM Mar 26, 2024Observed: 1.35 ft at 8:45AM Mar 26, 2024Observed: 1.45 ft at 9:10AM Mar 26, 2024Observed: 1.57 ft at 9:45AM Mar 26, 2024Observed: 1.68 ft at 10:10AM Mar 26, 2024Observed: 1.78 ft at 10:30AM Mar 26, 2024Observed: 1.89 ft at 10:55AM Mar 26, 2024Observed: 1.94 ft at 11:05AM Mar 26, 2024Observed: 2.02 ft at 11:15AM Mar 26, 2024Observed: 2.16 ft at 11:40AM Mar 26, 2024Observed: 2.28 ft at 12:05PM Mar 26, 2024Highest Observation: 2.39 ft at 12:55PM Mar 26, 2024Observed: 2.28 ft at 1:15PM Mar 26, 2024Observed: 2.16 ft at 1:45PM Mar 26, 2024Observed: 2.04 ft at 2:00PM Mar 26, 2024Observed: 1.93 ft at 2:20PM Mar 26, 2024Observed: 1.82 ft at 2:45PM Mar 26, 2024Observed: 1.7 ft at 3:05PM Mar 26, 2024Observed: 1.59 ft at 3:20PM Mar 26, 2024Observed: 1.49 ft at 3:25PM Mar 26, 2024Observed: 1.39 ft at 3:35PM Mar 26, 2024Observed: 1.29 ft at 3:50PM Mar 26, 2024Observed: 1.16 ft at 4:10PM Mar 26, 2024Observed: 1.01 ft at 4:30PM Mar 26, 2024Observed: 0.89 ft at 5:05PM Mar 26, 2024Observed: 1 ft at 6:50PM Mar 26, 2024Observed: 1.06 ft at 7:05PM Mar 26, 2024Observed: 1.11 ft at 7:15PM Mar 26, 2024Observed: 1.21 ft at 7:30PM Mar 26, 2024Observed: 1.32 ft at 7:50PM Mar 26, 2024Observed: 1.43 ft at 8:05PM Mar 26, 2024Observed: 1.54 ft at 8:25PM Mar 26, 2024Observed: 1.64 ft at 8:45PM Mar 26, 2024Observed: 1.74 ft at 8:55PM Mar 26, 2024Observed: 1.84 ft at 9:15PM Mar 26, 2024Observed: 1.94 ft at 9:40PM Mar 26, 2024Observed: 2.05 ft at 10:05PM Mar 26, 2024Observed: 2.15 ft at 10:45PM Mar 26, 2024Observed: 2.15 ft at 11:05PM Mar 26, 2024Observed: 2.04 ft at 11:30PM Mar 26, 2024Observed: 1.89 ft at 12:00AM Mar 27, 2024Observed: 1.78 ft at 12:20AM Mar 27, 2024Observed: 1.66 ft at 12:45AM Mar 27, 2024Observed: 1.56 ft at 1:05AM Mar 27, 2024Observed: 1.45 ft at 1:25AM Mar 27, 2024Observed: 1.35 ft at 1:40AM Mar 27, 2024Observed: 1.23 ft at 2:05AM Mar 27, 2024Observed: 1.13 ft at 2:30AM Mar 27, 2024Observed: 1.03 ft at 2:50AM Mar 27, 2024Observed: 0.99 ft at 3:05AM Mar 27, 2024Observed: 0.92 ft at 3:35AM Mar 27, 2024Observed: 0.82 ft at 3:50AM Mar 27, 2024Observed: 0.71 ft at 4:25AM Mar 27, 2024Observed: 0.6 ft at 4:50AM Mar 27, 2024Observed: 0.5 ft at 5:55AM Mar 27, 2024Observed: 0.6 ft at 6:50AM Mar 27, 2024Observed: 0.64 ft at 7:05AM Mar 27, 2024Observed: 0.73 ft at 7:15AM Mar 27, 2024Observed: 0.86 ft at 7:45AM Mar 27, 2024Observed: 0.98 ft at 8:05AM Mar 27, 2024Observed: 1.1 ft at 8:20AM Mar 27, 2024Observed: 1.2 ft at 8:35AM Mar 27, 2024Observed: 1.31 ft at 8:50AM Mar 27, 2024Observed: 1.41 ft at 8:55AM Mar 27, 2024Observed: 1.51 ft at 9:20AM Mar 27, 2024Observed: 1.63 ft at 9:35AM Mar 27, 2024Observed: 1.76 ft at 9:50AM Mar 27, 2024Observed: 1.88 ft at 10:15AM Mar 27, 2024Observed: 1.98 ft at 10:25AM Mar 27, 2024Observed: 2.09 ft at 10:45AM Mar 27, 2024Observed: 2.22 ft at 11:05AM Mar 27, 2024Observed: 2.33 ft at 11:50AM Mar 27, 2024Observed: 2.2 ft at 12:40PM Mar 27, 2024Observed: 2.08 ft at 12:50PM Mar 27, 2024Observed: 1.96 ft at 1:20PM Mar 27, 2024Observed: 1.86 ft at 1:40PM Mar 27, 2024Observed: 1.75 ft at 2:10PM Mar 27, 2024Observed: 1.65 ft at 3:00PM Mar 27, 2024Observed: 1.64 ft at 3:05PM Mar 27, 2024Observed: 1.53 ft at 3:25PM Mar 27, 2024Observed: 1.43 ft at 4:05PM Mar 27, 2024Observed: 1.31 ft at 4:40PM Mar 27, 2024Observed: 1.2 ft at 5:45PM Mar 27, 2024Observed: 1.32 ft at 6:40PM Mar 27, 2024Observed: 1.4 ft at 7:05PM Mar 27, 2024Observed: 1.43 ft at 7:10PM Mar 27, 2024Observed: 1.54 ft at 7:25PM Mar 27, 2024Observed: 1.64 ft at 7:50PM Mar 27, 2024Observed: 1.74 ft at 8:30PM Mar 27, 2024Observed: 1.84 ft at 9:00PM Mar 27, 2024Observed: 1.94 ft at 9:20PM Mar 27, 2024Observed: 1.84 ft at 10:55PM Mar 27, 2024Observed: 1.81 ft at 11:05PM Mar 27, 2024Observed: 1.73 ft at 11:15PM Mar 27, 2024Observed: 1.63 ft at 11:35PM Mar 27, 2024Observed: 1.53 ft at 11:50PM Mar 27, 2024Observed: 1.43 ft at 12:15AM Mar 28, 2024Observed: 1.31 ft at 12:45AM Mar 28, 2024Observed: 1.2 ft at 1:20AM Mar 28, 2024Observed: 1.1 ft at 1:50AM Mar 28, 2024Observed: 1 ft at 2:20AM Mar 28, 2024Observed: 0.9 ft at 2:50AM Mar 28, 2024Observed: 0.85 ft at 3:05AM Mar 28, 2024Observed: 0.79 ft at 3:25AM Mar 28, 2024Observed: 0.69 ft at 4:05AM Mar 28, 2024Observed: 0.59 ft at 5:00AM Mar 28, 2024Observed: 0.7 ft at 6:50AM Mar 28, 2024Observed: 0.73 ft at 7:05AM Mar 28, 2024Observed: 0.8 ft at 7:25AM Mar 28, 2024Observed: 0.91 ft at 7:50AM Mar 28, 2024Observed: 1.02 ft at 8:10AM Mar 28, 2024Observed: 1.13 ft at 8:25AM Mar 28, 2024Observed: 1.24 ft at 8:45AM Mar 28, 2024Observed: 1.36 ft at 9:10AM Mar 28, 2024Observed: 1.48 ft at 9:25AM Mar 28, 2024Observed: 1.59 ft at 9:45AM Mar 28, 2024Observed: 1.69 ft at 10:00AM Mar 28, 2024Observed: 1.8 ft at 10:20AM Mar 28, 2024Observed: 1.9 ft at 10:50AM Mar 28, 2024Observed: 1.94 ft at 11:05AM Mar 28, 2024Observed: 2 ft at 11:35AM Mar 28, 2024Observed: 2.11 ft at 12:40PM Mar 28, 2024Observed: 2.1 ft at 3:05PM Mar 28, 2024Observed: 1.96 ft at 3:50PM Mar 28, 2024Observed: 1.86 ft at 4:25PM Mar 28, 2024Observed: 1.75 ft at 4:55PM Mar 28, 2024Observed: 1.65 ft at 5:35PM Mar 28, 2024Observed: 1.6 ft at 7:05PM Mar 28, 2024Observed: 1.55 ft at 8:35PM Mar 28, 2024Observed: 1.44 ft at 9:05PM Mar 28, 2024Observed: 1.33 ft at 9:40PM Mar 28, 2024Observed: 1.23 ft at 10:25PM Mar 28, 2024Observed: 1.17 ft at 11:05PM Mar 28, 2024Observed: 1.13 ft at 11:20PM Mar 28, 2024Observed: 1.03 ft at 11:55PM Mar 28, 2024Observed: 0.92 ft at 1:05AM Mar 29, 2024Observed: 0.81 ft at 2:45AM Mar 29, 2024Observed: 0.77 ft at 3:05AM Mar 29, 2024Observed: 0.71 ft at 3:20AM Mar 29, 2024Observed: 0.6 ft at 3:50AM Mar 29, 2024Observed: 0.5 ft at 4:20AM Mar 29, 2024Observed: 0.38 ft at 5:00AM Mar 29, 2024USGS--Water Resources of the United StatesSHLT2(plotting HGIRR) Graph Created (5:37AM Mar 29, 2024)ObservedLatest observed value: 0.38 ft at 5:00 AM CDT 29-Mar-2024. Flood Stage is 10 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the San Jacinto River near Sheldon are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Lake Houston Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 15
Moderate Flood Stage: 13
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 28.72 ft on 08/29/2017
(2) 28.07 ft on 10/19/1994
(3) 21.10 ft on 06/15/1973
(4) 21.08 ft on 05/19/1989
(5) 20.85 ft on 11/15/1998
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 19.37 ft on 09/20/2019 (P)
(2) 10.45 ft on 05/08/2019
(3) 28.72 ft on 08/29/2017
(4) 19.33 ft on 05/30/2016
(5) 15.64 ft on 04/21/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -2.52 ft on 10/28/1985
(2) -2.48 ft on 03/06/1989
(3) -2.23 ft on 12/24/1989
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

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
15 Major lowland flooding begins.
13 Moderate lowland flooding begins with widespread inundation of the flood plain.
10 Minor lowland flooding begins.
About This Location Collapse

Latitude: 29.876111° N, Longitude: 95.093611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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 Not Available Not Available 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 NULL NULL  

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
Houston/Galveston Weather Forecast Office
1353 FM 646, Suite 202
Dickinson, TX 77539
(281) 337-5074
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Page last modified: 2-Nov-2020 7:29 PM
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