Guadalupe River at Gonzales water level

Name: Guadalupe River at Gonzales water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Guadalupe River, Texas, United States

Directions

Low for mid-October

Water level

11.19ft Down 0.05 ft over the last 24 hours

Measured Oct 16, 2026, 04:45 PM CDT (20 min ago)

Flow: 289 cfs

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Forecast Minor flood stage

The forecast expects the river to rise to 11.30 ft by Tuesday, October 20 at 10:00 PM. Issued Friday, October 16 at 07:54 AM by NOAA National Weather Service.

What this means

The Guadalupe River at Gonzales is running below normal at 11.19 ft.

It is 19.81 ft below the flood stage of 31.00 ft. That puts it 1.06 ft below the median of 12.25 ft for mid-October, based on 30 years of readings. A year ago it stood at 10.92 ft (+0.27 ft).

It has dropped 0.05 ft over the past 24 hours. The forecast expects the river to rise to 11.30 ft by Tuesday, October 20 at 10:00 PM. Without real rain upstream, that is unlikely to change quickly. In the last month it has stayed between 11.19 ft and 11.83 ft.

Compared with 30 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 12.25 ft1.06 ft below the median for this date
Normal for this date: 10.85 ft – 14.65 ft8 years in 10 fall in this range (30 years of records)
Same day last year: 10.92 ft+0.27 ft
Lowest and highest in 30 days: 11.19 ft – 11.83 ft
Lowest and highest in 12 months: 10.64 ft – 17.20 ft
Highest on record: 50.44 ftOctober 19, 1998
Forecast peak: 11.30 ftTuesday, October 20 at 10:00 PM

Floating and fishing near Guadalupe River at Gonzales

Low water exposes gravel bars that make good wading access, but some boat ramps may be left high and dry.

Flood stage here is 31.00 ft, 19.81 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

48.00 ft: 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.
45.00 ft: 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.
43.00 ft: 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.
40.00 ft: 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.
37.00 ft: 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.
34.00 ft: Pastureland northwest of Gonzales between the Guadalupe and San Marcos Rivers is flooded. Lowest areas of the city park flood.
31.00 ft: Minor lowland flooding begins to enter the Gonzales City Park.
11.19 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: 19 %.

Rank	Level	Date
1	50.44 ft	October 19, 1998
2	50.43 ft	May 29, 1929
3	44.38 ft	November 23, 2004
4	42.64 ft	July 7, 2002
5	42.50 ft	August 28, 2017
6	42.13 ft	May 25, 2015
7	41.97 ft	November 1, 2015
8	40.93 ft	October 16, 2021
9	40.53 ft	March 13, 2007
10	40.25 ft	July 22, 2007

Weather at the gauge

The forecast is not available right now.

Sunrise 07:32 AM Sunset 07:00 PM Daylight 11h 27m First quarter 34 %

Map

Other gauges on the Guadalupe River

Gauge	Level	Compared with normal	24 hours	Distance
Guadalupe River near Spring BranchRiver gauge, Guadalupe River	2.38 ft	Normal	−0.01 ft	62 mi
Guadalupe River at SattlerRiver gauge, Guadalupe River	4.45 ft	Normal	−0.01 ft	51 mi
Guadalupe River at Third Crossing near SattlerRiver gauge, Guadalupe River	3.79 ft	Normal	+0.03 ft	48 mi
Guadalupe River above Comal River at New BraunfelsRiver gauge, Guadalupe River	2.00 ft	Normal	0.00 ft	43 mi
Guadalupe River at New BraunfelsRiver gauge, Guadalupe River	9.48 ft	Normal	−0.01 ft	42 mi
Guadalupe River at Hwy 123-BR at SeguinRiver gauge, Guadalupe River	-2.24 ft	Low	−0.40 ft	32 mi
Guadalupe River at FM 1117 near SeguinRiver gauge, Guadalupe River	11.25 ft	Very low	−0.36 ft	26 mi
Guadalupe River at CR 143 near GonzalesRiver gauge, Guadalupe River	5.68 ft	Low	−0.13 ft	8 mi
Guadalupe River at Hwy 183 near HochheimRiver gauge, Guadalupe River	5.96 ft	No reference yet		15 mi
Guadalupe River at CueroRiver gauge, Guadalupe River	7.16 ft	Normal	−0.05 ft	28 mi
Guadalupe River at VictoriaRiver gauge, Guadalupe River	5.37 ft	Normal	−0.06 ft	55 mi
Guadalupe River near BloomingtonRiver gauge, Guadalupe River	8.71 ft	Low	−0.11 ft	64 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Peach Creek below DilworthRiver gauge, Peach Creek	6.25 ft	Low	+0.02 ft	8 mi
Sandy Fork Creek at Hwy 97 near WaelderRiver gauge, Sandy Fork Creek	2.64 ft	Normal	−0.02 ft	12 mi
San Marcos River at LulingRiver gauge, San Marcos River	3.63 ft	Very low	−0.06 ft	17 mi
Plum Creek near LulingRiver gauge, Plum Creek	4.48 ft	Low	−0.03 ft	17 mi
Sandies Creek near WesthoffRiver gauge, Sandies Creek	2.11 ft	Very low	−0.02 ft	19 mi
Lavaca River at HallettsvilleRiver gauge, Lavaca River	3.13 ft	Below flood stage		31 mi

Questions and answers

How does the Guadalupe River at Gonzales compare with last year?

It is 0.27 ft higher than on the same day last year, when the reading was 10.92 ft.

What is flood stage for the Guadalupe River at Gonzales?

The official flood stage is 31.00 ft. The river is currently 19.81 ft below it.

What is the record level at Guadalupe River at Gonzales?

The highest reading on record is 50.44 ft (October 19, 1998).

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Guadalupe River at Gonzales today?

On Oct 16, 2026, 04:45 PM CDT, the water level was 11.19 ft. Down 0.05 ft over the last 24 hours.

Is Guadalupe River at Gonzales rising or falling?

Down 0.05 ft over the last 24 hours. Down 0.07 ft over the last 7 days.

Is the level of Guadalupe River at Gonzales normal?

Low for mid-October. Compared with 30 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:08173900 (Agency page)
Coordinates: 29.48440, -97.45027 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level `stage`	11.19 ft	2026-10-16 21:45	Provisional
Flow `discharge`	289 cfs	2026-10-16 21:45	Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

<iframe src="https://nivelmap.com/embed/15346?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Guadalupe River at Gonzales water level"></iframe>

How to cite

U.S. Geological Survey: Guadalupe River at Gonzales (usgs:08173900). Accessed October 16, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/guadalupe-river-at-gonzales

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer