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 - 35 cfs (-6)
12/08/2019 02:50 PM ----- 35 cfs (-6)
Daily Median Flow 53 cfs
Gauge 7.82 feet (-0.05)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 24 cfs (+2)
12/08/2019 02:45 PM ----- 24 cfs (+2)
Daily Median Flow 23 cfs
Gauge 2.10 feet (+0.02)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 61 cfs (+7)
12/08/2019 02:45 PM ----- 61 cfs (+7)
Daily Median Flow 80 cfs
Gauge 1.79 feet (+0.02)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 80 cfs (-2)
12/08/2019 02:45 PM ----- 80 cfs (-2)
Daily Median Flow 112 cfs
Gauge 3.46 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 80 cfs (+0)
12/08/2019 02:00 PM ----- 80 cfs (+0)
Daily Median Flow 154 cfs
Gauge 2.42 feet (+0.00)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 906.09 msl (-0.02)
12/08/2019 02:15 PM
906.09 msl (-0.02)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 82 cfs (+0)
12/08/2019 02:00 PM ----- 82 cfs (+0)
Daily Median Flow 163 cfs
Gauge 4.30 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 3.82 feet (+0.03)
12/08/2019 02:45 PM
Gauge 3.82 feet (+0.03)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 149 cfs (+4)
12/08/2019 02:45 PM ----- 149 cfs (+4)
Daily Median Flow 202 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.32 msl (+0.01)
12/08/2019 02:30 PM
799.32 msl (+0.01)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.01 cfs (+0.00)
12/08/2019 02:00 PM ----- 0.01 cfs (+0.00)
Daily Median Flow 1 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 326 cfs (+4)
12/08/2019 02:45 PM ----- 326 cfs (+4)
Daily Median Flow 309 cfs
Gauge 4.22 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 9.69 feet (+0.01)
12/08/2019 02:00 PM
Gauge 9.69 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.67 feet (+0.13)
12/08/2019 02:15 PM
Gauge -0.67 feet (+0.13)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.10 feet (-0.05)
12/08/2019 02:00 PM
Gauge 4.10 feet (-0.05)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 431 cfs (+82)
12/08/2019 02:15 PM ----- 431 cfs (+82)
Daily Median Flow 463 cfs
Gauge 11.67 feet (+0.21)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 7.31 feet (+0.59)
12/08/2019 02:30 PM
Gauge 7.31 feet (+0.59)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 680 cfs (-11)
12/08/2019 02:45 PM ----- 680 cfs (-11)
Daily Median Flow 985 cfs
Gauge 11.99 feet (-0.02)
View NWS Forecast >>
Peach Ck at Hwy 90 nr Waelder, TX - 0.00 cfs (+0.00)
12/08/2019 02:30 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 29 cfs
Gauge 2.97 feet (+0.00)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 1.38 cfs (+0.03)
12/08/2019 02:00 PM ----- 1.38 cfs (+0.03)
Daily Median Flow 7 cfs
Gauge 7.26 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 667 cfs (+21)
12/08/2019 02:00 PM ----- 667 cfs (+21)
Gauge 6.99 feet (+0.06)
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 - 0.47 cfs (+0.07)
12/08/2019 02:00 PM ----- 0.47 cfs (+0.07)
Daily Median Flow 10 cfs
Gauge 2.16 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 577 cfs (-53)
12/08/2019 02:30 PM ----- 577 cfs (-53)
Daily Median Flow 873 cfs
Gauge 8.14 feet (-0.13)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 708 cfs (+31)
12/08/2019 02:15 PM ----- 708 cfs (+31)
Daily Median Flow 938 cfs
Gauge 6.35 feet (+0.09)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 0.00 cfs (+0.00)
12/08/2019 02:45 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 10 cfs
Gauge 3.53 feet (+0.00)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 94.43 msl (-0.02)
12/08/2019 02:00 PM
94.43 msl (-0.02)
View NWS Site >>
Coleto Ck nr Victoria, TX - 2.66 cfs (+0.11)
12/08/2019 02:30 PM ----- 2.66 cfs (+0.11)
Daily Median Flow 5 cfs
Gauge 3.86 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 643 cfs (-2)
12/08/2019 02:00 PM ----- 643 cfs (-2)
Daily Median Flow 468 cfs
Gauge 10.28 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 979 cfs (+124)
12/08/2019 02:30 PM ----- 979 cfs (+124)
Daily Median Flow 1560 cfs
Gauge 3.80 feet (+0.21)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.46 feet (+0.01)
12/08/2019 02:45 PM
Gauge 0.46 feet (+0.01)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 2.80 feet (+0.01)
12/08/2019 02:45 PM
Gauge 2.80 feet (+0.01)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 18 cfs (+0)
12/08/2019 02:45 PM ----- 18 cfs (+0)
Daily Median Flow Not Available
Gauge 3.73 feet (+0.00)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 30 cfs (+0)
12/08/2019 02:45 PM ----- 30 cfs (+0)
Daily Median Flow 51 cfs
Gauge 3.75 feet (+0.00)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 0.00 cfs (+0.00)
12/08/2019 02:45 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 40 cfs
Gauge 2.97 feet (+0.00)
View NWS Site >>
Blanco Rv at San Marcos, TX - 1.37 cfs (-0.35)
12/08/2019 02:40 PM ----- 1.37 cfs (-0.35)
Daily Median Flow Not Available
Gauge 7.44 feet (-0.07)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 172 cfs (+0)
12/08/2019 02:45 PM ----- 172 cfs (+0)
Daily Median Flow 170 cfs
Gauge 4.46 feet (+0.00)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 112 cfs (+0)
12/08/2019 02:45 PM ----- 112 cfs (+0)
Daily Median Flow 246 cfs
Gauge 7.71 feet (+0.00)
View NWS Site >>
San Marcos Rv at Luling, TX - 182 cfs (+0)
12/08/2019 02:45 PM ----- 182 cfs (+0)
Daily Median Flow 205 cfs
Gauge 4.49 feet (+0.00)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 20 cfs (-1)
12/08/2019 02:00 PM ----- 20 cfs (-1)
Daily Median Flow 3 cfs
Gauge 2.50 feet (-0.02)
Plum Ck nr Luling, TX - 11 cfs (-1)
12/08/2019 02:00 PM ----- 11 cfs (-1)
Daily Median Flow 14 cfs
Gauge 4.70 feet (-0.02)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority