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This probabilistic forecast is issued by the West Gulf River Forecast Center.
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Experimental Short Range Forecast Uncertainty (AHPS) - External Links: Product Description Document | Customer Survey
About this graph
Forecasts for the West Fork San Jacinto River near Porter are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - near Conroe Upstream Gauge Downstream Gauge Downstream Gauge - near Humble
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 92
Moderate Flood Stage: 88.5
Flood Stage: 81
Action Stage: 73
Low Stage (in feet): 0

Historic Crests
(1) 94.87 ft on 08/29/2017

(P): Preliminary values subject to further review.

Recent Crests
(1) 94.87 ft on 08/29/2017

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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Gauge LocationGauge Map Marker
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
117 Major lowland flooding continues as homes on Old Houston Road (upstream of the gauge) begin to flood.
105.5 Major lowland flooding continues as lowest homes in Riverwalk subdivision along Serpenteer Road begin to flood.
92 Major lowland flooding begins in the vicinty of the gauge with low point on SH99 inundated.
88.5 Moderate lowland flooding begins. Lowest homes in Summer Hills subdivision along Firefly Lane and Butterfly Lane begin to flood.
83 Minor lowland flooding continues as the turnaround under SH99 at Riley Fuzzel Road begins to flood.
81 Minor lowland flooding begins in the vicinty of the gauge as water escapes the main channel. Bottom of the old gauge house and road near the old gauge house begin to flood.

Other Real-time and/or Archive Data Sources:

Collaborative Agencies Collapse
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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