Streamflow Data Map - Full-Screen View >>  List View >>

Each oval-shaped label represents a USGS gauge and shows the most current flow reading in cubic feet per second. When flow information is not available, a rectangular-shaped label shows the most current gauge height reading in feet.

100Stream flow - cfs

10.01Gauge stage - feet

The information on the streamflow map is updated every 15 minutes with data obtained from the U.S. Geological Survey (USGS), though not all gauges are updated simultaneously.
Click on a label to get more USGS information along with the National Weather Service forecast.
Click, hold and drag to reposition the map.
Zoom in to show more gauges, zoom out to hide gauges
(+/-0.00) - indicates change in 24 hours.

List View

  • Click on the name of a river to expand the list. Then click on a gauge name to see the data.

Guadalupe River Gauges

Guadalupe Rv at Hunt, TX - 46 cfs (+3)
10/21/2019 08:05 PM ----- 46 cfs (+3)
Daily Median Flow 50 cfs
Gauge 7.80 feet (+0.02)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 22 cfs (+4)
10/21/2019 08:00 PM ----- 22 cfs (+4)
Daily Median Flow 20 cfs
Gauge 1.57 feet (+0.05)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 52 cfs (+3)
10/21/2019 07:45 PM ----- 52 cfs (+3)
Daily Median Flow 70 cfs
Gauge 1.72 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 69 cfs (+10)
10/21/2019 07:45 PM ----- 69 cfs (+10)
Daily Median Flow 102 cfs
Gauge 3.39 feet (+0.07)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 61 cfs (-3)
10/21/2019 08:00 PM ----- 61 cfs (-3)
Daily Median Flow 129 cfs
Gauge 2.28 feet (-0.02)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 906.50 msl (-0.02)
10/21/2019 07:15 PM
906.50 msl (-0.02)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 73 cfs (-38)
10/21/2019 08:00 PM ----- 73 cfs (-38)
Daily Median Flow 117 cfs
Gauge 4.23 feet (-0.26)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 3.80 feet (-0.08)
10/21/2019 08:00 PM
Gauge 3.80 feet (-0.08)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 153 cfs (+4)
10/21/2019 08:00 PM ----- 153 cfs (+4)
Daily Median Flow 184 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.30 msl (+0.00)
10/21/2019 07:30 PM
799.30 msl (+0.00)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.00 cfs (+0.00)
10/21/2019 08:00 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 0 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 284 cfs (-8)
10/21/2019 07:45 PM ----- 284 cfs (-8)
Daily Median Flow 290 cfs
Gauge 4.15 feet (-0.02)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 9.57 feet (+0.00)
10/21/2019 08:00 PM
Gauge 9.57 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.41 feet (+0.03)
10/21/2019 07:15 PM
Gauge -0.41 feet (+0.03)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.15 feet (+0.02)
10/21/2019 08:00 PM
Gauge 4.15 feet (+0.02)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 583 cfs (+22)
10/21/2019 07:15 PM ----- 583 cfs (+22)
Daily Median Flow 420 cfs
Gauge 12.02 feet (+0.05)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 7.34 feet (+0.33)
10/21/2019 07:30 PM
Gauge 7.34 feet (+0.33)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 522 cfs (-508)
10/21/2019 07:45 PM ----- 522 cfs (-508)
Daily Median Flow 777 cfs
Gauge 11.73 feet (-0.90)
View NWS Forecast >>
Peach Creek at Hwy 90 nr Waelder, TX - 0.00 cfs (+0.00)
10/21/2019 07:30 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 2 cfs
Gauge 2.97 feet (+0.00)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 0.26 cfs (+0.11)
10/21/2019 08:00 PM ----- 0.26 cfs (+0.11)
Daily Median Flow 2 cfs
Gauge 6.72 feet (+0.17)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 714 cfs (+39)
10/21/2019 08:00 PM ----- 714 cfs (+39)
Gauge 7.01 feet (+0.11)
View NWS Site >>
Sandies Ck at FM 108 nr Smiley, TX - Gauge -999999.00 feet (-1000000.26)
04/23/2019 09:00 AM
Gauge -999999.00 feet (-1000000.26)
View NWS Site >>
Sandies Ck nr Westhoff, TX - 0.17 cfs (-0.05)
10/21/2019 08:00 PM ----- 0.17 cfs (-0.05)
Daily Median Flow 6 cfs
Gauge 2.14 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 589 cfs (-8)
10/21/2019 07:30 PM ----- 589 cfs (-8)
Daily Median Flow 875 cfs
Gauge 8.12 feet (-0.02)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 652 cfs (+10)
10/21/2019 07:30 PM ----- 652 cfs (+10)
Daily Median Flow 870 cfs
Gauge 6.19 feet (+0.03)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 0.00 cfs (+0.00)
10/21/2019 07:45 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 7 cfs
Gauge 3.48 feet (+0.00)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 95.06 msl (-0.01)
10/21/2019 08:00 PM
95.06 msl (-0.01)
View NWS Site >>
Coleto Ck nr Victoria, TX - 2.77 cfs (+0.22)
10/21/2019 07:30 PM ----- 2.77 cfs (+0.22)
Daily Median Flow 4 cfs
Gauge 3.84 feet (+0.02)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 615 cfs (-9)
10/21/2019 08:00 PM ----- 615 cfs (-9)
Daily Median Flow 727 cfs
Gauge 10.07 feet (-0.05)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 912 cfs (+115)
10/21/2019 07:30 PM ----- 912 cfs (+115)
Daily Median Flow 1380 cfs
Gauge 3.75 feet (-0.10)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.49 feet (+0.00)
10/21/2019 08:00 PM
Gauge 0.49 feet (+0.00)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 2.71 feet (-0.01)
10/21/2019 08:00 PM
Gauge 2.71 feet (-0.01)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 39 cfs (-1)
10/21/2019 08:00 PM ----- 39 cfs (-1)
Daily Median Flow Not Available
Gauge 3.76 feet (-0.01)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 36 cfs (+3)
10/21/2019 08:00 PM ----- 36 cfs (+3)
Daily Median Flow 46 cfs
Gauge 3.78 feet (+0.02)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 0.00 cfs (+0.00)
10/21/2019 08:00 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 37 cfs
Gauge 2.97 feet (+0.00)
View NWS Site >>
Blanco Rv at San Marcos, TX - 0.00 cfs (+0.00)
10/21/2019 07:40 PM ----- 0.00 cfs (+0.00)
Daily Median Flow Not Available
Gauge 6.89 feet (+0.15)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 169 cfs (-3)
10/21/2019 07:45 PM ----- 169 cfs (-3)
Daily Median Flow 173 cfs
Gauge 4.47 feet (-0.03)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 179 cfs (-13)
10/21/2019 07:45 PM ----- 179 cfs (-13)
Daily Median Flow 199 cfs
Gauge 7.88 feet (-0.05)
View NWS Site >>
San Marcos Rv at Luling, TX - 192 cfs (-16)
10/21/2019 07:45 PM ----- 192 cfs (-16)
Daily Median Flow 202 cfs
Gauge 4.51 feet (-0.08)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 3.86 cfs (-0.23)
10/21/2019 08:00 PM ----- 3.86 cfs (-0.23)
Daily Median Flow 0 cfs
Gauge 1.73 feet (-0.02)
Plum Ck nr Luling, TX - 6.11 cfs (-0.25)
10/21/2019 08:00 PM ----- 6.11 cfs (-0.25)
Daily Median Flow 8 cfs
Gauge 4.56 feet (-0.01)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority