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Guadalupe River at Gonzales

Critical Stages
17' - Action
31' - Flood
37' - Moderate
43' - Major

Latest Observation

Updated: 7:45 AM CST 12/6/25

Status: No Flooding

Stage: 11.01 ft

Flow: 0.211 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
9 AM 12/6 11 0.207
12 PM 12/6 11 0.207
3 PM 12/6 11 0.207
6 PM 12/6 11 0.207
9 PM 12/6 11 0.207
12 AM 12/7 11 0.207
3 AM 12/7 11 0.207
6 AM 12/7 11 0.207
9 AM 12/7 11 0.207
12 PM 12/7 11 0.207
3 PM 12/7 11 0.207
6 PM 12/7 11 0.207
9 PM 12/7 11 0.207
12 AM 12/8 11 0.207
3 AM 12/8 11 0.207
6 AM 12/8 11 0.207
9 AM 12/8 11 0.207
12 PM 12/8 10.9 0.17
3 PM 12/8 10.9 0.17
6 PM 12/8 10.9 0.17
9 PM 12/8 10.9 0.17
12 AM 12/9 10.9 0.17
3 AM 12/9 10.9 0.17
6 AM 12/9 10.9 0.17
9 AM 12/9 10.9 0.17
12 PM 12/9 10.9 0.17
3 PM 12/9 10.9 0.17
6 PM 12/9 10.9 0.17
9 PM 12/9 10.9 0.17
12 AM 12/10 10.9 0.17
3 AM 12/10 10.9 0.17
6 AM 12/10 10.9 0.17
TimeStage (ft)Flow (kcfs)
7:45 AM 12/6 11.01 0.211
7:30 AM 12/6 11.01 0.211
7:15 AM 12/6 11.02 0.214
7:00 AM 12/6 11.02 0.214
6:45 AM 12/6 11.02 0.214
6:30 AM 12/6 11.02 0.214
6:15 AM 12/6 11.02 0.214
6:00 AM 12/6 11.02 0.214
5:45 AM 12/6 11.02 0.214
5:30 AM 12/6 11.02 0.214
5:15 AM 12/6 11.02 0.214
5:00 AM 12/6 11.02 0.214
4:45 AM 12/6 11.02 0.214
4:30 AM 12/6 11.02 0.214
4:15 AM 12/6 11.02 0.214
4:00 AM 12/6 11.02 0.214
3:45 AM 12/6 11.02 0.214
3:30 AM 12/6 11.01 0.211
3:15 AM 12/6 11.02 0.214
3:00 AM 12/6 11.01 0.211
2:45 AM 12/6 11.02 0.214
2:30 AM 12/6 11.02 0.214
2:15 AM 12/6 11.01 0.211
2:00 AM 12/6 11.02 0.214
1:45 AM 12/6 11.02 0.214
1:30 AM 12/6 11.02 0.214
1:15 AM 12/6 11.02 0.214
1:00 AM 12/6 11.02 0.214
12:45 AM 12/6 11.02 0.214
12:30 AM 12/6 11.02 0.214
Hydrograph for Guadalupe River at Gonzales
48' - Flow passes through the windows of the old power plant. Nearly all of the city park is under several feet of water. The flood plain northwest of town below the Guadalupe-San Marcos Rivers confluence is several miles wide. Lowest homes along miles of Tinsley Creek are flooded as the Guadalupe River backs into it.
45' - Flow reaches the floor of the old power plant and to the slab of the electric plant. Water is several feet deep in the baseball and concession buildings in the city park. Flooding is several miles wide in the flood plain just northwest of Gonzales. Flow approaches lower homes in the Tinsley Creek flood plain in Gonzales as the Guadalupe River backs up. Any flow down Tinsley Creek over the backflow can flood homes.
43' - Major flooding closes Highways 183, 97 and Farm to Market 108. Runoff down Tinsley Creek in Gonzales added to the Guadalupe River backwater can flood lowest homes near the creek. Secondary roads and streets near the river are flooded and dangerous to motorists.
40' - Moderate lowland flooding inundates a large area of pastureland northwest of Gonzales between the Guadalupe and San Marcos Rivers. Flood waters approach the city park storage garage while much of the park in Gonzales is flooded with lowest areas up to 9 feet. Many secondary roads in the flood plain are flooded and closed including CR 197.
37' - Moderate lowland flooding inundates pasture and cropland between the Guadalupe/San Marcos river confluence and Gonzales. Secondary roads, low bridges and much of the city park and facilities near the river in Gonzales are flooded.
34' - Pastureland northwest of Gonzales between the Guadalupe and San Marcos Rivers is flooded. Lowest areas of the city park flood.
31' - Minor lowland flooding begins to enter the Gonzales City Park.
DateStage (ft)
Oct 19, 1998 50.44
May 29, 1929 50.43
Nov 23, 2004 44.38
Jul 7, 2002 42.64
Aug 28, 2017 42.5
May 25, 2015 42.13
Nov 1, 2015 41.97
Oct 16, 2021 40.93
Mar 13, 2007 40.53
Jul 22, 2007 40.25
Jan 26, 2012 39.76
Nov 17, 2001 39.19
Jun 24, 1997 38.8
Jul 1, 1936 38.2
Dec 4, 1913 38.1
Jun 11, 2010 37.74
Apr 22, 1926 36.4
Jul 7, 1942 35.1
Dec 22, 1991 35.01
Jun 5, 1987 34.7

Data provided by the National Weather Service.