Rivers in Texas

San Jacinto River near Sheldon

Harris County, TexasNWS SHLT2USGS 08072050Dickinson office

Below flood stage
2.56ftStage

Observed Sun, Sep 20, 7:05 AM CDT

Flood stage
10.00 ft
Forecast crest
2.90 ftSun, Sep 20, 1:00 PM CDT
Record crest
28.72 ft2017

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood15.00 ft
Moderate flood13.00 ft
Minor flood10.00 ft
Action8.00 ft
  1. 15.00 ftMajor lowland flooding begins.
  2. 13.00 ftModerate lowland flooding begins with widespread inundation of the flood plain.
  3. 10.00 ftMinor lowland flooding begins.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding18%
Moderate flooding15%
Major flooding8%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Crest history

35 crests on NOAA’s list since 1973.

#DateStage
1August 29, 201728.72 ft
2October 19, 199428.07 ft
3June 15, 197321.10 ft
4May 19, 198921.08 ft
5November 15, 199820.85 ft
6May 4, 202419.72 ft
7September 20, 201919.37 ft
8May 30, 201619.33 ft
9April 6, 197919.30 ft
10May 23, 198318.48 ft
11June 10, 200117.94 ft
12October 20, 199817.34 ft
13November 7, 200216.01 ft
14June 22, 199315.78 ft
15April 21, 201615.64 ft
16September 15, 200815.49 ft
17June 27, 198914.70 ft
18October 29, 200214.48 ft
19January 9, 199814.21 ft
20November 27, 198513.58 ft
21March 5, 199213.01 ft
22June 13, 198712.88 ft
23November 18, 200312.72 ft
24March 19, 198112.56 ft
25April 29, 200911.57 ft

Most recent crests

  • May 4, 2024: 19.72 ft
  • September 20, 2019: 19.37 ft
  • May 8, 2019: 10.45 ft
  • August 29, 2017: 28.72 ft
  • May 30, 2016: 19.33 ft
  • April 21, 2016: 15.64 ft
  • May 30, 2015: 11.05 ft
  • April 29, 2009: 11.57 ft
  • September 15, 2008: 15.49 ft
  • October 17, 2006: 11.10 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the West Gulf River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. 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.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.