Rivers in Texas

Ayish Bayou near San Augustine

San Augustine County, TexasNWS AYIT2USGS 08039100Shreveport office

Below flood stage
2.92ftStage

Observed Mon, Sep 21, 3:15 PM CDT

Flood stage
12.00 ft
Record crest
20.91 ft2008

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood17.00 ft
Moderate flood16.00 ft
Minor flood12.00 ft
Action11.50 ft
  1. 17.00 ftSecondary roads near the bayou will flood and be barricaded. Moderate to severe lowland flooding will continue for at least a couple of days.
  2. 14.50 ftMinor lowland flooding of boat ramps.
  3. 14.00 ftLowland flooding will slowly decrease during the next few days.
  4. 12.00 ftLowland flooding of the heavily wooded floodplain will continue for the next several days.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding20%
Moderate floodingUnder 5%
Major floodingUnder 5%

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

Crest history

39 crests on NOAA’s list since 1958.

#DateStage
1March 30, 200820.91 ft
2September 14, 197818.02 ft
3September 21, 195817.50 ft
4August 30, 201717.40 ft
5May 10, 202117.02 ft
6April 9, 196816.82 ft
7April 24, 197916.68 ft
8May 18, 198916.59 ft
9April 30, 202116.34 ft
10March 9, 201615.85 ft
11December 8, 201815.78 ft
12January 19, 197915.37 ft
13December 10, 198315.16 ft
14April 18, 199115.15 ft
15November 25, 198615.09 ft
16October 17, 199414.96 ft
17March 29, 201814.56 ft
18March 12, 201214.50 ft
19April 18, 195914.50 ft
20June 4, 201714.31 ft
21December 12, 200114.30 ft
22April 18, 197314.15 ft
23April 13, 196914.14 ft
24May 8, 198414.10 ft
25February 10, 196614.04 ft

Most recent crests

  • May 10, 2021: 17.02 ft
  • April 30, 2021: 16.34 ft
  • December 8, 2018: 15.78 ft
  • April 7, 2018: 12.49 ft
  • March 29, 2018: 14.56 ft
  • February 22, 2018: 13.65 ft
  • August 30, 2017: 17.40 ft
  • June 4, 2017: 14.31 ft
  • January 19, 2017: 12.23 ft
  • May 28, 2016: 13.90 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.