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Hydrograph River at a Glance Download Inundation
Mapping
San Jacinto River near Sheldon Stage (ft)Flow (kcfs)Observed: 4.21 ft at 10:05PM May 17, 2024Observed: 4.23 ft at 10:20PM May 17, 2024Observed: 4.22 ft at 10:35PM May 17, 2024Observed: 4.24 ft at 10:50PM May 17, 2024Observed: 4.25 ft at 11:05PM May 17, 2024Observed: 4.26 ft at 11:20PM May 17, 2024Observed: 4.28 ft at 11:35PM May 17, 2024Observed: 4.28 ft at 11:50PM May 17, 2024Observed: 4.28 ft at 12:05AM May 18, 2024Observed: 4.29 ft at 12:20AM May 18, 2024Observed: 4.28 ft at 12:35AM May 18, 2024Observed: 4.29 ft at 12:50AM May 18, 2024Observed: 4.29 ft at 1:05AM May 18, 2024Observed: 4.3 ft at 1:20AM May 18, 2024Observed: 4.3 ft at 1:35AM May 18, 2024Observed: 4.28 ft at 1:50AM May 18, 2024Observed: 4.3 ft at 2:05AM May 18, 2024Observed: 4.29 ft at 2:20AM May 18, 2024Observed: 4.3 ft at 2:35AM May 18, 2024Observed: 4.31 ft at 2:50AM May 18, 2024Observed: 4.32 ft at 3:05AM May 18, 2024Observed: 4.33 ft at 3:20AM May 18, 2024Observed: 4.34 ft at 3:35AM May 18, 2024Observed: 4.35 ft at 3:50AM May 18, 2024Observed: 4.36 ft at 4:05AM May 18, 2024Observed: 4.39 ft at 4:20AM May 18, 2024Observed: 4.4 ft at 4:35AM May 18, 2024Observed: 4.42 ft at 4:50AM May 18, 2024Observed: 4.43 ft at 5:05AM May 18, 2024Observed: 4.45 ft at 5:20AM May 18, 2024Observed: 4.46 ft at 5:35AM May 18, 2024Observed: 4.5 ft at 5:50AM May 18, 2024Observed: 4.55 ft at 6:20AM May 18, 2024Observed: 4.57 ft at 6:35AM May 18, 2024Observed: 4.56 ft at 6:50AM May 18, 2024Observed: 4.61 ft at 7:00AM May 18, 2024Observed: 4.67 ft at 7:20AM May 18, 2024Observed: 4.68 ft at 7:35AM May 18, 2024Observed: 4.72 ft at 7:45AM May 18, 2024Observed: 4.71 ft at 7:50AM May 18, 2024Observed: 4.72 ft at 8:05AM May 18, 2024Observed: 4.76 ft at 8:20AM May 18, 2024Observed: 4.78 ft at 8:35AM May 18, 2024Observed: 4.82 ft at 8:50AM May 18, 2024Observed: 4.83 ft at 9:05AM May 18, 2024Observed: 4.84 ft at 9:20AM May 18, 2024Observed: 4.86 ft at 9:35AM May 18, 2024Observed: 4.87 ft at 9:50AM May 18, 2024Observed: 4.89 ft at 10:05AM May 18, 2024Observed: 4.92 ft at 10:20AM May 18, 2024Observed: 4.93 ft at 10:30AM May 18, 2024Observed: 4.93 ft at 10:35AM May 18, 2024Observed: 4.92 ft at 10:50AM May 18, 2024Observed: 4.94 ft at 11:05AM May 18, 2024Observed: 4.94 ft at 11:20AM May 18, 2024Observed: 4.96 ft at 11:35AM May 18, 2024Observed: 4.96 ft at 11:50AM May 18, 2024Observed: 4.94 ft at 12:05PM May 18, 2024Observed: 4.93 ft at 12:20PM May 18, 2024Observed: 4.94 ft at 12:35PM May 18, 2024Observed: 4.97 ft at 12:50PM May 18, 2024Observed: 5 ft at 1:05PM May 18, 2024Observed: 5.01 ft at 1:20PM May 18, 2024Observed: 5.01 ft at 1:35PM May 18, 2024Observed: 5.03 ft at 1:50PM May 18, 2024Observed: 5.03 ft at 2:05PM May 18, 2024Observed: 5.06 ft at 2:20PM May 18, 2024Observed: 5.05 ft at 2:35PM May 18, 2024Observed: 5.08 ft at 2:50PM May 18, 2024Observed: 5.12 ft at 3:05PM May 18, 2024Observed: 5.09 ft at 3:20PM May 18, 2024Observed: 5.11 ft at 3:35PM May 18, 2024Observed: 5.12 ft at 3:50PM May 18, 2024Observed: 5.14 ft at 3:55PM May 18, 2024Observed: 5.14 ft at 4:05PM May 18, 2024Observed: 5.15 ft at 4:20PM May 18, 2024Observed: 5.2 ft at 4:35PM May 18, 2024Observed: 5.22 ft at 4:50PM May 18, 2024Observed: 5.27 ft at 5:05PM May 18, 2024Observed: 5.28 ft at 5:20PM May 18, 2024Observed: 5.28 ft at 5:35PM May 18, 2024Observed: 5.35 ft at 5:50PM May 18, 2024Observed: 5.37 ft at 6:05PM May 18, 2024Observed: 5.4 ft at 6:10PM May 18, 2024Observed: 5.38 ft at 6:20PM May 18, 2024Observed: 5.42 ft at 6:35PM May 18, 2024Observed: 5.46 ft at 6:50PM May 18, 2024Observed: 5.51 ft at 7:05PM May 18, 2024Observed: 5.57 ft at 7:20PM May 18, 2024Observed: 5.66 ft at 7:30PM May 18, 2024Observed: 5.58 ft at 7:35PM May 18, 2024Observed: 5.63 ft at 7:50PM May 18, 2024Observed: 5.66 ft at 8:05PM May 18, 2024Observed: 5.7 ft at 8:20PM May 18, 2024Observed: 5.74 ft at 8:35PM May 18, 2024Observed: 5.77 ft at 8:45PM May 18, 2024Observed: 5.79 ft at 8:50PM May 18, 2024Observed: 5.81 ft at 9:05PM May 18, 2024Observed: 5.86 ft at 9:20PM May 18, 2024Observed: 5.89 ft at 9:25PM May 18, 2024Observed: 5.91 ft at 9:35PM May 18, 2024Observed: 5.94 ft at 9:50PM May 18, 2024Observed: 5.98 ft at 10:05PM May 18, 2024Observed: 6 ft at 10:15PM May 18, 2024Observed: 6.01 ft at 10:20PM May 18, 2024Observed: 6.05 ft at 10:35PM May 18, 2024Observed: 6.08 ft at 10:50PM May 18, 2024Observed: 6.11 ft at 10:55PM May 18, 2024Observed: 6.13 ft at 11:05PM May 18, 2024Observed: 6.16 ft at 11:20PM May 18, 2024Observed: 6.2 ft at 11:35PM May 18, 2024Observed: 6.23 ft at 11:50PM May 18, 2024Observed: 6.27 ft at 12:05AM May 19, 2024Observed: 6.31 ft at 12:20AM May 19, 2024Observed: 6.34 ft at 12:30AM May 19, 2024Observed: 6.33 ft at 12:35AM May 19, 2024Observed: 6.37 ft at 12:50AM May 19, 2024Observed: 6.4 ft at 1:05AM May 19, 2024Observed: 6.45 ft at 1:20AM May 19, 2024Observed: 6.48 ft at 1:35AM May 19, 2024Observed: 6.51 ft at 1:50AM May 19, 2024Observed: 6.56 ft at 2:05AM May 19, 2024Observed: 6.58 ft at 2:20AM May 19, 2024Observed: 6.61 ft at 2:35AM May 19, 2024Observed: 6.65 ft at 2:50AM May 19, 2024Observed: 6.69 ft at 2:55AM May 19, 2024Observed: 6.75 ft at 3:20AM May 19, 2024Observed: 6.77 ft at 3:35AM May 19, 2024Observed: 6.8 ft at 3:45AM May 19, 2024Observed: 6.82 ft at 3:50AM May 19, 2024Observed: 6.87 ft at 4:05AM May 19, 2024Observed: 6.92 ft at 4:20AM May 19, 2024Observed: 6.96 ft at 4:35AM May 19, 2024Observed: 6.99 ft at 4:50AM May 19, 2024Observed: 7.04 ft at 5:00AM May 19, 2024Observed: 7.02 ft at 5:05AM May 19, 2024Observed: 7.08 ft at 5:20AM May 19, 2024Observed: 7.13 ft at 5:35AM May 19, 2024Observed: 7.15 ft at 5:40AM May 19, 2024Observed: 7.15 ft at 5:50AM May 19, 2024Observed: 7.2 ft at 6:05AM May 19, 2024Observed: 7.26 ft at 6:20AM May 19, 2024Observed: 7.29 ft at 6:35AM May 19, 2024Observed: 7.33 ft at 6:50AM May 19, 2024Observed: 7.37 ft at 6:55AM May 19, 2024Observed: 7.37 ft at 7:05AM May 19, 2024Observed: 7.41 ft at 7:20AM May 19, 2024Observed: 7.44 ft at 7:35AM May 19, 2024Observed: 7.48 ft at 7:45AM May 19, 2024Observed: 7.48 ft at 7:50AM May 19, 2024Observed: 7.52 ft at 8:05AM May 19, 2024Observed: 7.56 ft at 8:20AM May 19, 2024Observed: 7.59 ft at 8:30AM May 19, 2024Observed: 7.58 ft at 8:35AM May 19, 2024Observed: 7.61 ft at 8:50AM May 19, 2024Observed: 7.64 ft at 9:05AM May 19, 2024Observed: 7.69 ft at 9:20AM May 19, 2024Observed: 7.7 ft at 9:25AM May 19, 2024Observed: 7.71 ft at 9:35AM May 19, 2024Observed: 7.74 ft at 9:50AM May 19, 2024Observed: 7.75 ft at 10:05AM May 19, 2024Observed: 7.78 ft at 10:20AM May 19, 2024Observed: 7.8 ft at 10:30AM May 19, 2024Observed: 7.78 ft at 10:35AM May 19, 2024Observed: 7.78 ft at 10:50AM May 19, 2024Observed: 7.81 ft at 11:05AM May 19, 2024Observed: 7.84 ft at 11:20AM May 19, 2024Observed: 7.84 ft at 11:35AM May 19, 2024Observed: 7.87 ft at 11:50AM May 19, 2024Observed: 7.85 ft at 12:05PM May 19, 2024Observed: 7.88 ft at 12:20PM May 19, 2024Observed: 7.92 ft at 12:35PM May 19, 2024Observed: 7.9 ft at 12:50PM May 19, 2024Observed: 7.92 ft at 1:05PM May 19, 2024Observed: 7.93 ft at 1:20PM May 19, 2024Observed: 7.94 ft at 1:35PM May 19, 2024Highest Observation: 7.97 ft at 1:50PM May 19, 2024Observed: 7.95 ft at 2:05PM May 19, 2024Observed: 7.95 ft at 2:20PM May 19, 2024Observed: 7.93 ft at 2:35PM May 19, 2024Observed: 7.94 ft at 2:50PM May 19, 2024Observed: 7.93 ft at 3:05PM May 19, 2024Observed: 7.93 ft at 3:20PM May 19, 2024Observed: 7.95 ft at 3:35PM May 19, 2024Observed: 7.95 ft at 3:50PM May 19, 2024Observed: 7.96 ft at 4:05PM May 19, 2024Observed: 7.95 ft at 4:20PM May 19, 2024Observed: 7.94 ft at 4:35PM May 19, 2024Observed: 7.91 ft at 4:50PM May 19, 2024Observed: 7.92 ft at 5:05PM May 19, 2024Observed: 7.91 ft at 5:20PM May 19, 2024Observed: 7.92 ft at 5:35PM May 19, 2024Observed: 7.89 ft at 5:50PM May 19, 2024Observed: 7.89 ft at 6:05PM May 19, 2024Observed: 7.91 ft at 6:20PM May 19, 2024Observed: 7.89 ft at 6:35PM May 19, 2024Observed: 7.88 ft at 6:50PM May 19, 2024Observed: 7.88 ft at 7:05PM May 19, 2024Observed: 7.88 ft at 7:20PM May 19, 2024Observed: 7.88 ft at 7:35PM May 19, 2024Observed: 7.86 ft at 7:50PM May 19, 2024Observed: 7.87 ft at 8:05PM May 19, 2024Observed: 7.87 ft at 8:20PM May 19, 2024Observed: 7.85 ft at 8:35PM May 19, 2024Observed: 7.86 ft at 8:50PM May 19, 2024Observed: 7.84 ft at 9:05PM May 19, 2024Observed: 7.86 ft at 9:20PM May 19, 2024Observed: 7.84 ft at 9:35PM May 19, 2024Observed: 7.85 ft at 9:50PM May 19, 2024Observed: 7.84 ft at 10:05PM May 19, 2024Observed: 7.83 ft at 10:20PM May 19, 2024Observed: 7.81 ft at 10:25PM May 19, 2024Observed: 7.81 ft at 10:35PM May 19, 2024Observed: 7.81 ft at 10:50PM May 19, 2024Observed: 7.81 ft at 11:05PM May 19, 2024Observed: 7.77 ft at 11:20PM May 19, 2024Observed: 7.77 ft at 11:35PM May 19, 2024Observed: 7.76 ft at 11:50PM May 19, 2024Observed: 7.72 ft at 12:20AM May 20, 2024Observed: 7.71 ft at 12:35AM May 20, 2024Observed: 7.7 ft at 12:40AM May 20, 2024Observed: 7.7 ft at 12:50AM May 20, 2024Observed: 7.66 ft at 1:20AM May 20, 2024Observed: 7.64 ft at 1:35AM May 20, 2024Observed: 7.65 ft at 1:50AM May 20, 2024Observed: 7.63 ft at 2:05AM May 20, 2024Observed: 7.59 ft at 2:20AM May 20, 2024Observed: 7.58 ft at 2:35AM May 20, 2024Observed: 7.56 ft at 2:50AM May 20, 2024Observed: 7.55 ft at 3:05AM May 20, 2024Observed: 7.54 ft at 3:20AM May 20, 2024Observed: 7.51 ft at 3:35AM May 20, 2024Observed: 7.49 ft at 3:50AM May 20, 2024Observed: 7.47 ft at 4:05AM May 20, 2024Observed: 7.45 ft at 4:20AM May 20, 2024Observed: 7.44 ft at 4:35AM May 20, 2024Observed: 7.41 ft at 4:50AM May 20, 2024Observed: 7.4 ft at 5:05AM May 20, 2024Observed: 7.39 ft at 5:20AM May 20, 2024Observed: 7.38 ft at 5:35AM May 20, 2024Observed: 7.37 ft at 5:50AM May 20, 2024Observed: 7.35 ft at 6:05AM May 20, 2024Observed: 7.35 ft at 6:20AM May 20, 2024Observed: 7.34 ft at 6:35AM May 20, 2024Observed: 7.33 ft at 6:50AM May 20, 2024Observed: 7.3 ft at 7:05AM May 20, 2024Observed: 7.31 ft at 7:20AM May 20, 2024Observed: 7.29 ft at 7:35AM May 20, 2024Observed: 7.27 ft at 7:50AM May 20, 2024Observed: 7.27 ft at 8:05AM May 20, 2024Observed: 7.27 ft at 8:20AM May 20, 2024Observed: 7.24 ft at 8:35AM May 20, 2024Observed: 7.27 ft at 8:50AM May 20, 2024Observed: 7.2 ft at 9:05AM May 20, 2024Observed: 7.23 ft at 9:20AM May 20, 2024Observed: 7.24 ft at 9:35AM May 20, 2024Observed: 7.18 ft at 9:50AM May 20, 2024Observed: 7.17 ft at 10:05AM May 20, 2024Observed: 7.18 ft at 10:20AM May 20, 2024Observed: 7.18 ft at 10:35AM May 20, 2024Observed: 7.14 ft at 10:50AM May 20, 2024Observed: 7.13 ft at 11:05AM May 20, 2024Observed: 7.12 ft at 11:20AM May 20, 2024Observed: 7.09 ft at 11:35AM May 20, 2024Observed: 7.05 ft at 11:50AM May 20, 2024Observed: 7.03 ft at 12:05PM May 20, 2024Observed: 7.05 ft at 12:20PM May 20, 2024Observed: 7 ft at 12:35PM May 20, 2024Observed: 6.97 ft at 12:50PM May 20, 2024Observed: 6.95 ft at 1:05PM May 20, 2024Observed: 6.95 ft at 1:20PM May 20, 2024Observed: 6.92 ft at 1:25PM May 20, 2024Observed: 6.92 ft at 1:35PM May 20, 2024Observed: 6.9 ft at 1:50PM May 20, 2024Observed: 6.84 ft at 2:05PM May 20, 2024Observed: 6.85 ft at 2:20PM May 20, 2024Observed: 6.79 ft at 2:30PM May 20, 2024Observed: 6.78 ft at 2:35PM May 20, 2024Observed: 6.79 ft at 2:50PM May 20, 2024Observed: 6.73 ft at 3:05PM May 20, 2024Observed: 6.68 ft at 3:20PM May 20, 2024Observed: 6.57 ft at 4:20PM May 20, 2024Observed: 6.47 ft at 4:50PM May 20, 2024Observed: 6.36 ft at 5:50PM May 20, 2024Observed: 6.25 ft at 6:40PM May 20, 2024Observed: 6.21 ft at 7:05PM May 20, 2024Observed: 6.14 ft at 7:30PM May 20, 2024Observed: 6.03 ft at 8:30PM May 20, 2024Observed: 5.91 ft at 9:25PM May 20, 2024Highest Forecast: 6.7 ft 10:00PM May 20, 2024Forecast: 6.5 ft 1:00AM May 21, 2024Forecast: 6.4 ft 4:00AM May 21, 2024Forecast: 6.2 ft 7:00AM May 21, 2024Forecast: 6.1 ft 10:00AM May 21, 2024Forecast: 5.9 ft 1:00PM May 21, 2024Forecast: 5.7 ft 4:00PM May 21, 2024Forecast: 5.6 ft 7:00PM May 21, 2024Forecast: 5.4 ft 10:00PM May 21, 2024Forecast: 5.2 ft 1:00AM May 22, 2024Forecast: 5 ft 4:00AM May 22, 2024Forecast: 4.9 ft 7:00AM May 22, 2024Forecast: 4.8 ft 10:00AM May 22, 2024Forecast: 4.7 ft 1:00PM May 22, 2024Forecast: 4.6 ft 4:00PM May 22, 2024Forecast: 4.5 ft 7:00PM May 22, 2024Forecast: 4.3 ft 10:00PM May 22, 2024Forecast: 4.2 ft 1:00AM May 23, 2024Forecast: 4.1 ft 4:00AM May 23, 2024Forecast: 3.9 ft 7:00AM May 23, 2024Forecast: 3.8 ft 10:00AM May 23, 2024Forecast: 3.8 ft 1:00PM May 23, 2024Forecast: 3.7 ft 4:00PM May 23, 2024Forecast: 3.6 ft 7:00PM May 23, 2024Forecast: 3.5 ft 10:00PM May 23, 2024Forecast: 3.4 ft 1:00AM May 24, 2024Forecast: 3.3 ft 4:00AM May 24, 2024Forecast: 3.3 ft 7:00AM May 24, 2024Forecast: 3.3 ft 10:00AM May 24, 2024Forecast: 3.2 ft 1:00PM May 24, 2024Forecast: 3.2 ft 4:00PM May 24, 2024Forecast: 3.2 ft 7:00PM May 24, 2024Forecast: 3.2 ft 10:00PM May 24, 2024Forecast: 3.1 ft 1:00AM May 25, 2024Forecast: 3.1 ft 4:00AM May 25, 2024Forecast: 3.1 ft 7:00AM May 25, 2024Forecast: 3 ft 10:00AM May 25, 2024USGS--Water Resources of the United StatesSHLT2(plotting HGIRR) Graph Created (9:51PM May 20, 2024)ObservedForecast (issued 10:42AM May 20)Latest observed value: 5.91 ft at 9:25 PM CDT 20-May-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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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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Page last modified: 2-Nov-2020 7:29 PM
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