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Hydrograph River at a Glance Download Inundation
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San Jacinto River near Sheldon Stage (ft)Flow (kcfs)Observed: 2.02 ft at 2:40PM Jun 16, 2021Observed: 2.12 ft at 3:40PM Jun 16, 2021Observed: 2.01 ft at 4:45PM Jun 16, 2021Observed: 1.9 ft at 6:15PM Jun 16, 2021Observed: 1.9 ft at 7:05PM Jun 16, 2021Observed: 1.8 ft at 8:00PM Jun 16, 2021Observed: 1.66 ft at 10:35PM Jun 16, 2021Observed: 1.53 ft at 11:00PM Jun 16, 2021Observed: 1.51 ft at 11:05PM Jun 16, 2021Observed: 1.43 ft at 11:20PM Jun 16, 2021Observed: 1.32 ft at 11:50PM Jun 16, 2021Observed: 1.2 ft at 12:25AM Jun 17, 2021Observed: 1.09 ft at 1:05AM Jun 17, 2021Observed: 0.98 ft at 1:50AM Jun 17, 2021Observed: 0.89 ft at 3:05AM Jun 17, 2021Observed: 0.87 ft at 5:15AM Jun 17, 2021Observed: 0.77 ft at 6:00AM Jun 17, 2021Observed: 0.66 ft at 6:55AM Jun 17, 2021Observed: 0.64 ft at 7:05AM Jun 17, 2021Observed: 0.54 ft at 7:30AM Jun 17, 2021Observed: 0.42 ft at 8:20AM Jun 17, 2021Observed: 0.53 ft at 10:10AM Jun 17, 2021Observed: 0.65 ft at 10:50AM Jun 17, 2021Observed: 0.72 ft at 11:05AM Jun 17, 2021Observed: 0.78 ft at 11:15AM Jun 17, 2021Observed: 0.92 ft at 11:30AM Jun 17, 2021Observed: 1.05 ft at 11:45AM Jun 17, 2021Observed: 1.15 ft at 12:05PM Jun 17, 2021Observed: 1.28 ft at 12:15PM Jun 17, 2021Observed: 1.43 ft at 12:40PM Jun 17, 2021Observed: 1.53 ft at 12:55PM Jun 17, 2021Observed: 2.16 ft at 2:55PM Jun 17, 2021Observed: 2.16 ft at 3:05PM Jun 17, 2021Observed: 2.27 ft at 3:20PM Jun 17, 2021Observed: 2.37 ft at 3:45PM Jun 17, 2021Observed: 2.27 ft at 6:55PM Jun 17, 2021Observed: 2.28 ft at 7:05PM Jun 17, 2021Observed: 2.12 ft at 8:00PM Jun 17, 2021Observed: 2.01 ft at 10:35PM Jun 17, 2021Observed: 1.93 ft at 11:05PM Jun 17, 2021Observed: 1.91 ft at 11:10PM Jun 17, 2021Observed: 1.8 ft at 11:55PM Jun 17, 2021Observed: 1.69 ft at 1:30AM Jun 18, 2021Observed: 1.71 ft at 3:05AM Jun 18, 2021Observed: 1.8 ft at 4:40AM Jun 18, 2021Observed: 1.69 ft at 5:55AM Jun 18, 2021Observed: 1.59 ft at 6:35AM Jun 18, 2021Observed: 1.51 ft at 7:05AM Jun 18, 2021Observed: 1.48 ft at 7:15AM Jun 18, 2021Observed: 1.37 ft at 7:55AM Jun 18, 2021Observed: 1.27 ft at 8:20AM Jun 18, 2021Observed: 1.16 ft at 8:55AM Jun 18, 2021Observed: 1.05 ft at 9:30AM Jun 18, 2021Observed: 1.11 ft at 11:05AM Jun 18, 2021Observed: 1.16 ft at 11:35AM Jun 18, 2021Observed: 1.28 ft at 12:05PM Jun 18, 2021Observed: 1.4 ft at 12:35PM Jun 18, 2021Observed: 1.56 ft at 12:55PM Jun 18, 2021Observed: 1.68 ft at 1:20PM Jun 18, 2021Observed: 1.79 ft at 1:35PM Jun 18, 2021Observed: 1.92 ft at 1:55PM Jun 18, 2021Observed: 2.05 ft at 2:10PM Jun 18, 2021Observed: 2.16 ft at 2:35PM Jun 18, 2021Observed: 2.28 ft at 3:00PM Jun 18, 2021Observed: 2.34 ft at 3:05PM Jun 18, 2021Observed: 2.4 ft at 3:15PM Jun 18, 2021Highest Observation: 2.56 ft at 4:00PM Jun 18, 2021Observed: 2.44 ft at 6:30PM Jun 18, 2021Observed: 2.34 ft at 6:50PM Jun 18, 2021Observed: 2.37 ft at 7:05PM Jun 18, 2021Observed: 2.23 ft at 8:05PM Jun 18, 2021Observed: 2.12 ft at 8:45PM Jun 18, 2021Observed: 2.01 ft at 9:20PM Jun 18, 2021Observed: 1.91 ft at 9:55PM Jun 18, 2021Observed: 1.8 ft at 10:50PM Jun 18, 2021Observed: 1.78 ft at 11:05PM Jun 18, 2021Observed: 1.92 ft at 2:05AM Jun 19, 2021Observed: 2.04 ft at 2:25AM Jun 19, 2021Observed: 2.14 ft at 2:40AM Jun 19, 2021Observed: 2.24 ft at 2:55AM Jun 19, 2021Observed: 2.29 ft at 3:05AM Jun 19, 2021Observed: 2.35 ft at 3:25AM Jun 19, 2021Observed: 2.24 ft at 4:25AM Jun 19, 2021Observed: 2.12 ft at 6:15AM Jun 19, 2021Observed: 2.01 ft at 6:55AM Jun 19, 2021Observed: 1.97 ft at 7:05AM Jun 19, 2021Observed: 1.91 ft at 7:20AM Jun 19, 2021Observed: 1.8 ft at 8:05AM Jun 19, 2021Observed: 1.69 ft at 9:10AM Jun 19, 2021Observed: 1.59 ft at 10:15AM Jun 19, 2021Observed: 1.59 ft at 11:05AM Jun 19, 2021Observed: 1.71 ft at 11:45AM Jun 19, 2021Observed: 1.88 ft at 1:10PM Jun 19, 2021USGS--Water Resources of the United StatesSHLT2(plotting HGIRR) Graph Created (2:21PM Jun 19, 2021)ObservedLatest observed value: 1.88 ft at 1:10 PM CDT 19-Jun-2021. Flood Stage is 10 ft
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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
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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.
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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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