Major Flood
17 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
16 ft
Minor Flood
12 ft
Action Stage
11.5 ft
What Floods at Each Level
17 ft
Secondary roads near the bayou will flood and be barricaded. Moderate to severe lowland flooding will continue for at least a couple of days.
14.5 ft
Minor lowland flooding of boat ramps.
14 ft
Lowland flooding will slowly decrease during the next few days.
12 ft
Lowland flooding of the heavily wooded floodplain will continue for the next several days.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Mar 30, 2008 | 20.91 ft | 39,700 cfs |
| Sep 13, 1978 | 18.02 ft | 18,200 cfs |
| Sep 20, 1958 | 17.5 ft | 15,900 cfs |
About This Gauge
USGS Site
NWS LID
AYIT2
River
Ayish Bayou
County
San Augustine, TX
Coordinates
31.3961°N, 94.1508°W
Get Flood Alerts for Ayish Bayou
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Ayish Bayou near San Augustine?
The Ayish Bayou near San Augustine gauge is maintained by USGS (site 08039100) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Ayish Bayou near San Augustine?
The NWS-defined flood stage for Ayish Bayou near San Augustine is 12 feet. Action stage begins at 11.5 feet. Moderate flooding starts at 16 feet, and major flooding at 17 feet.
How do I get alerts when Ayish Bayou rises?
Download StormCast free on Google Play, go to River Gauges, and add Ayish Bayou near San Augustine to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Ayish Bayou near San Augustine gauge located?
The gauge is located in San Augustine County, Texas at coordinates 31.3961°N, 94.1508°W. USGS site number: 08039100. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
Downstream: Angelina River at Lake Sam Rayburn
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- 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.