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San Jacinto River near Sheldon Stage (ft)Flow (kcfs)Observed: 1.6 ft at 8:05AM Aug 01, 2021Observed: 1.49 ft at 8:35AM Aug 01, 2021Observed: 1.37 ft at 9:05AM Aug 01, 2021Observed: 1.27 ft at 9:45AM Aug 01, 2021Observed: 1.16 ft at 10:40AM Aug 01, 2021Observed: 1.12 ft at 11:10AM Aug 01, 2021Observed: 1.04 ft at 11:40AM Aug 01, 2021Observed: 0.9 ft at 12:45PM Aug 01, 2021Observed: 0.89 ft at 3:05PM Aug 01, 2021Observed: 1.01 ft at 4:05PM Aug 01, 2021Observed: 1.12 ft at 4:30PM Aug 01, 2021Observed: 1.23 ft at 4:50PM Aug 01, 2021Observed: 1.33 ft at 5:25PM Aug 01, 2021Observed: 1.23 ft at 6:00PM Aug 01, 2021Observed: 1.09 ft at 6:20PM Aug 01, 2021Observed: 0.98 ft at 6:40PM Aug 01, 2021Observed: 0.87 ft at 7:05PM Aug 01, 2021Observed: 0.74 ft at 7:25PM Aug 01, 2021Observed: 0.64 ft at 7:50PM Aug 01, 2021Observed: 0.52 ft at 8:30PM Aug 01, 2021Observed: 0.41 ft at 8:55PM Aug 01, 2021Observed: 0.29 ft at 9:20PM Aug 01, 2021Observed: 0.18 ft at 9:50PM Aug 01, 2021Observed: 0.05 ft at 10:25PM Aug 01, 2021Observed: -0.02 ft at 11:05PM Aug 01, 2021Observed: 0.15 ft at 12:45AM Aug 02, 2021Observed: 0.28 ft at 1:20AM Aug 02, 2021Observed: 0.43 ft at 2:00AM Aug 02, 2021Observed: 0.54 ft at 2:20AM Aug 02, 2021Observed: 0.66 ft at 2:40AM Aug 02, 2021Observed: 0.8 ft at 3:05AM Aug 02, 2021Observed: 0.9 ft at 3:20AM Aug 02, 2021Observed: 1.15 ft at 4:10AM Aug 02, 2021Observed: 1.28 ft at 4:35AM Aug 02, 2021Observed: 1.4 ft at 5:05AM Aug 02, 2021Observed: 1.58 ft at 7:05AM Aug 02, 2021Observed: 1.4 ft at 10:15AM Aug 02, 2021Observed: 1.31 ft at 11:05AM Aug 02, 2021Observed: 1.29 ft at 11:10AM Aug 02, 2021Observed: 1.18 ft at 12:10PM Aug 02, 2021Observed: 1.07 ft at 1:15PM Aug 02, 2021Observed: 0.96 ft at 2:05PM Aug 02, 2021Observed: 0.86 ft at 2:50PM Aug 02, 2021Observed: 0.81 ft at 3:05PM Aug 02, 2021Observed: 0.74 ft at 3:30PM Aug 02, 2021Observed: 0.63 ft at 4:20PM Aug 02, 2021Observed: 0.51 ft at 5:35PM Aug 02, 2021Observed: 0.38 ft at 6:40PM Aug 02, 2021Observed: 0.34 ft at 7:05PM Aug 02, 2021Observed: 0.27 ft at 7:45PM Aug 02, 2021Observed: 0.15 ft at 9:05PM Aug 02, 2021Observed: 0.05 ft at 9:30PM Aug 02, 2021Observed: -0.07 ft at 10:00PM Aug 02, 2021Observed: -0.18 ft at 10:45PM Aug 02, 2021Observed: -0.19 ft at 11:05PM Aug 02, 2021Observed: -0.08 ft at 2:20AM Aug 03, 2021Observed: 0.04 ft at 2:40AM Aug 03, 2021Observed: 0.16 ft at 3:05AM Aug 03, 2021Observed: 0.28 ft at 3:25AM Aug 03, 2021Observed: 0.4 ft at 3:50AM Aug 03, 2021Observed: 0.52 ft at 4:10AM Aug 03, 2021Observed: 0.62 ft at 4:25AM Aug 03, 2021Observed: 0.74 ft at 4:45AM Aug 03, 2021Observed: 0.85 ft at 5:05AM Aug 03, 2021Observed: 0.97 ft at 5:30AM Aug 03, 2021Observed: 1.09 ft at 5:55AM Aug 03, 2021Observed: 1.19 ft at 6:20AM Aug 03, 2021Observed: 1.3 ft at 6:50AM Aug 03, 2021Observed: 1.36 ft at 7:05AM Aug 03, 2021Observed: 1.4 ft at 7:15AM Aug 03, 2021Observed: 1.51 ft at 7:45AM Aug 03, 2021Highest Observation: 1.62 ft at 8:20AM Aug 03, 2021Observed: 1.52 ft at 10:35AM Aug 03, 2021Observed: 1.38 ft at 11:05AM Aug 03, 2021Observed: 1.5 ft at 1:00PM Aug 03, 2021Observed: 1.37 ft at 1:30PM Aug 03, 2021Observed: 1.27 ft at 1:55PM Aug 03, 2021Observed: 1.13 ft at 2:20PM Aug 03, 2021Observed: 1.02 ft at 2:35PM Aug 03, 2021Observed: 0.9 ft at 3:00PM Aug 03, 2021Observed: 0.88 ft at 3:05PM Aug 03, 2021Observed: 0.8 ft at 6:10PM Aug 03, 2021Observed: 0.67 ft at 6:45PM Aug 03, 2021Observed: 0.6 ft at 7:05PM Aug 03, 2021Observed: 0.57 ft at 7:15PM Aug 03, 2021Observed: 0.45 ft at 8:05PM Aug 03, 2021Observed: 0.34 ft at 8:45PM Aug 03, 2021Observed: 0.23 ft at 9:30PM Aug 03, 2021Observed: 0.11 ft at 10:15PM Aug 03, 2021Observed: -0.01 ft at 10:55PM Aug 03, 2021Observed: -0.02 ft at 11:05PM Aug 03, 2021Observed: -0.15 ft at 11:25PM Aug 03, 2021Observed: -0.26 ft at 11:50PM Aug 03, 2021Observed: -0.37 ft at 12:10AM Aug 04, 2021Observed: -0.48 ft at 12:40AM Aug 04, 2021Observed: -0.37 ft at 1:45AM Aug 04, 2021Observed: -0.25 ft at 2:25AM Aug 04, 2021Observed: -0.21 ft at 3:05AM Aug 04, 2021Observed: -0.15 ft at 3:50AM Aug 04, 2021Observed: -0.01 ft at 4:15AM Aug 04, 2021Observed: 0.11 ft at 4:35AM Aug 04, 2021Observed: 0.24 ft at 4:50AM Aug 04, 2021Observed: 0.38 ft at 5:10AM Aug 04, 2021Observed: 0.49 ft at 5:25AM Aug 04, 2021Observed: 0.61 ft at 5:40AM Aug 04, 2021Observed: 0.71 ft at 5:55AM Aug 04, 2021Observed: 0.84 ft at 6:15AM Aug 04, 2021Observed: 0.94 ft at 6:30AM Aug 04, 2021Observed: 1.05 ft at 6:50AM Aug 04, 2021Observed: 1.15 ft at 7:05AM Aug 04, 2021Observed: 1.26 ft at 7:20AM Aug 04, 2021USGS--Water Resources of the United StatesSHLT2(plotting HGIRR) Graph Created (7:37AM Aug 4, 2021)ObservedLatest observed value: 1.26 ft at 7:20 AM CDT 4-Aug-2021. 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.
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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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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
Houston/Galveston Weather Forecast Office
1353 FM 646, Suite 202
Dickinson, TX 77539
(281) 337-5074
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