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)
06/12/2021 06:25 AM ----- 46 cfs (-3)
Daily Median Flow 44 cfs
Gauge 7.91 feet (-0.02)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 18 cfs (-1)
06/12/2021 06:15 AM ----- 18 cfs (-1)
Daily Median Flow 25 cfs
Gauge 1.50 feet (-0.01)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 86 cfs (-17)
06/12/2021 05:45 AM ----- 86 cfs (-17)
Daily Median Flow 81 cfs
Gauge 1.83 feet (-0.03)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 107 cfs (-7)
06/12/2021 05:45 AM ----- 107 cfs (-7)
Daily Median Flow 107 cfs
Gauge 3.48 feet (-0.03)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 271 cfs (-21)
06/12/2021 06:00 AM ----- 271 cfs (-21)
Daily Median Flow 185 cfs
Gauge 3.08 feet (-0.06)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 905.82 msl (+0.03)
06/12/2021 06:15 AM
905.82 msl (+0.03)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 100 cfs (-2)
06/12/2021 06:00 AM ----- 100 cfs (-2)
Daily Median Flow 304 cfs
Gauge 4.47 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 4.11 feet (-0.02)
06/12/2021 06:15 AM
Gauge 4.11 feet (-0.02)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 243 cfs (-5)
06/12/2021 06:15 AM ----- 243 cfs (-5)
Daily Median Flow 403 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.30 msl (+0.00)
06/12/2021 05:30 AM
799.30 msl (+0.00)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.20 cfs (-0.07)
06/12/2021 06:00 AM ----- 0.20 cfs (-0.07)
Daily Median Flow 0 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 330 cfs (+4)
06/12/2021 05:45 AM ----- 330 cfs (+4)
Daily Median Flow 303 cfs
Gauge 4.22 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 9.84 feet (+0.01)
06/12/2021 06:00 AM
Gauge 9.84 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.32 feet (+0.12)
06/12/2021 06:15 AM
Gauge -0.32 feet (+0.12)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.11 feet (+0.00)
06/12/2021 06:00 AM
Gauge 4.11 feet (+0.00)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 606 cfs (-45)
06/12/2021 06:15 AM ----- 606 cfs (-45)
Daily Median Flow 490 cfs
Gauge 12.04 feet (-0.10)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 7.25 feet (+0.00)
06/12/2021 05:30 AM
Gauge 7.25 feet (+0.00)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 993 cfs (-77)
06/12/2021 05:45 AM ----- 993 cfs (-77)
Daily Median Flow 870 cfs
Gauge 12.57 feet (-0.12)
View NWS Forecast >>
Peach Ck at Hwy 90 nr Waelder, TX - 11 cfs (-2)
06/12/2021 05:30 AM ----- 11 cfs (-2)
Daily Median Flow 0 cfs
Gauge 4.20 feet (-0.10)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 25 cfs (-9)
06/12/2021 06:00 AM ----- 25 cfs (-9)
Daily Median Flow 7 cfs
Gauge 9.40 feet (-0.18)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 1060 cfs (-140)
06/12/2021 06:00 AM ----- 1060 cfs (-140)
Gauge 8.13 feet (-0.45)
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 - 38 cfs (-12)
06/12/2021 06:00 AM ----- 38 cfs (-12)
Daily Median Flow 8 cfs
Gauge 4.05 feet (-0.38)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 1500 cfs (-170)
06/12/2021 05:30 AM ----- 1500 cfs (-170)
Daily Median Flow 1280 cfs
Gauge 9.48 feet (-0.29)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 1730 cfs (-360)
06/12/2021 06:15 AM ----- 1730 cfs (-360)
Daily Median Flow 1280 cfs
Gauge 8.77 feet (-0.84)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 36 cfs (-13)
06/12/2021 05:45 AM ----- 36 cfs (-13)
Daily Median Flow 14 cfs
Gauge 5.31 feet (-0.22)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 98.32 msl (-0.09)
06/12/2021 06:00 AM
98.32 msl (-0.09)
View NWS Site >>
Coleto Ck nr Victoria, TX - 16 cfs (+9)
06/12/2021 05:30 AM ----- 16 cfs (+9)
Daily Median Flow 5 cfs
Gauge 4.70 feet (+0.57)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 3370 cfs (-960)
06/12/2021 06:00 AM ----- 3370 cfs (-960)
Daily Median Flow 613 cfs
Gauge 19.74 feet (-1.72)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 2880 cfs (-90)
06/12/2021 05:30 AM ----- 2880 cfs (-90)
Daily Median Flow 1240 cfs
Gauge 7.82 feet (-0.27)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.81 feet (-0.04)
06/12/2021 06:15 AM
Gauge 0.81 feet (-0.04)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 5.00 feet (-0.01)
06/12/2021 06:15 AM
Gauge 5.00 feet (-0.01)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 28 cfs (-1)
06/12/2021 06:25 AM ----- 28 cfs (-1)
Daily Median Flow Not Available
Gauge 3.87 feet (-0.03)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 65 cfs (-8)
06/12/2021 06:15 AM ----- 65 cfs (-8)
Daily Median Flow 84 cfs
Gauge 4.08 feet (-0.04)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 48 cfs (-14)
06/12/2021 06:15 AM ----- 48 cfs (-14)
Daily Median Flow 72 cfs
Gauge 4.87 feet (-0.13)
View NWS Site >>
Blanco Rv at San Marcos, TX - 158 cfs (-22)
06/12/2021 05:40 AM ----- 158 cfs (-22)
Daily Median Flow Not Available
Gauge 8.83 feet (-0.13)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 163 cfs (+0)
06/12/2021 05:45 AM ----- 163 cfs (+0)
Daily Median Flow 207 cfs
Gauge 4.58 feet (+0.00)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 237 cfs (+6)
06/12/2021 05:45 AM ----- 237 cfs (+6)
Daily Median Flow 214 cfs
Gauge 7.91 feet (+0.03)
View NWS Site >>
San Marcos Rv at Luling, TX - 237 cfs (-12)
06/12/2021 05:45 AM ----- 237 cfs (-12)
Daily Median Flow 267 cfs
Gauge 4.76 feet (-0.06)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 79 cfs (-15)
06/12/2021 06:00 AM ----- 79 cfs (-15)
Daily Median Flow 3 cfs
Gauge 3.53 feet (-0.27)
Plum Ck nr Luling, TX - 160 cfs (-14)
06/12/2021 06:00 AM ----- 160 cfs (-14)
Daily Median Flow 21 cfs
Gauge 5.75 feet (-0.09)
View NWS Forecast >>
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