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 - 115 cfs (+0)
01/18/2019 03:15 AM ----- 115 cfs (+0)
Daily Median Flow 48 cfs
Gauge 8.18 feet (+0.00)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 29 cfs (-1)
01/18/2019 03:15 AM ----- 29 cfs (-1)
Daily Median Flow 20 cfs
Gauge 1.81 feet (-0.01)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 145 cfs (+0)
01/18/2019 02:45 AM ----- 145 cfs (+0)
Daily Median Flow 84 cfs
Gauge 1.99 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 271 cfs (-3)
01/18/2019 02:45 AM ----- 271 cfs (-3)
Daily Median Flow 124 cfs
Gauge 3.96 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 641 cfs (-18)
01/18/2019 03:00 AM ----- 641 cfs (-18)
Daily Median Flow 160 cfs
Gauge 3.94 feet (-0.03)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 910.71 msl (+0.00)
01/18/2019 03:15 AM
910.71 msl (+0.00)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 740 cfs (+0)
01/18/2019 03:00 AM ----- 740 cfs (+0)
Daily Median Flow 176 cfs
Gauge 5.85 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge -999999.00 feet (-1000003.88)
12/25/2018 05:30 PM
Gauge -999999.00 feet (-1000003.88)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 854 cfs (+11)
01/18/2019 03:15 AM ----- 854 cfs (+11)
Daily Median Flow 244 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.28 msl (-0.01)
01/18/2019 02:30 AM
799.28 msl (-0.01)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 1.44 cfs (-0.27)
01/18/2019 03:00 AM ----- 1.44 cfs (-0.27)
Daily Median Flow 1 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 393 cfs (+0)
01/18/2019 02:45 AM ----- 393 cfs (+0)
Daily Median Flow 321 cfs
Gauge 4.38 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 10.16 feet (+0.00)
01/18/2019 02:30 AM
Gauge 10.16 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge 0.74 feet (+0.17)
01/18/2019 03:15 AM
Gauge 0.74 feet (+0.17)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.24 feet (-0.01)
01/18/2019 03:00 AM
Gauge 4.24 feet (-0.01)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 1210 cfs (-50)
01/18/2019 03:15 AM ----- 1210 cfs (-50)
Daily Median Flow 508 cfs
Gauge 13.33 feet (-0.10)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 9.58 feet (+0.08)
01/18/2019 02:30 AM
Gauge 9.58 feet (+0.08)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 2160 cfs (-180)
01/18/2019 02:45 AM ----- 2160 cfs (-180)
Daily Median Flow 1090 cfs
Gauge 14.45 feet (-0.25)
View NWS Forecast >>
Peach Creek at Hwy 90 nr Waelder, TX - 5.41 cfs (-0.30)
01/18/2019 02:30 AM ----- 5.41 cfs (-0.30)
Daily Median Flow 0 cfs
Gauge 3.98 feet (-0.02)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 20 cfs (-1)
01/18/2019 03:00 AM ----- 20 cfs (-1)
Daily Median Flow 11 cfs
Gauge 9.36 feet (-0.06)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 1950 cfs (-90)
01/18/2019 03:00 AM ----- 1950 cfs (-90)
Gauge 11.42 feet (-0.26)
View NWS Site >>
Sandies Ck at FM 108 nr Smiley, TX - Gauge 0.99 feet (+0.01)
01/18/2019 03:00 AM
Gauge 0.99 feet (+0.01)
View NWS Site >>
Sandies Ck nr Westhoff, TX - 6.45 cfs (-1.47)
01/18/2019 03:00 AM ----- 6.45 cfs (-1.47)
Daily Median Flow 12 cfs
Gauge 2.73 feet (-0.07)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - -999999 cfs (-1002179)
01/03/2019 11:30 AM ----- -999999 cfs (-1002179)
Daily Median Flow 1150 cfs
Gauge -999999.00 feet (-1000010.34)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 2170 cfs (-100)
01/18/2019 03:15 AM ----- 2170 cfs (-100)
Daily Median Flow 1110 cfs
Gauge 10.11 feet (-0.20)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 15 cfs (0)
01/18/2019 02:45 AM ----- 15 cfs (0)
Daily Median Flow 13 cfs
Gauge 4.71 feet (-0.01)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 98.32 msl (+0.00)
01/18/2019 03:00 AM
98.32 msl (+0.00)
View NWS Site >>
Coleto Ck nr Victoria, TX - 11 cfs (-1)
01/18/2019 02:30 AM ----- 11 cfs (-1)
Daily Median Flow 5 cfs
Gauge 4.21 feet (-0.02)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 2390 cfs (-90)
01/18/2019 03:00 AM ----- 2390 cfs (-90)
Daily Median Flow 524 cfs
Gauge 17.87 feet (-0.21)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 2960 cfs (+190)
01/18/2019 02:30 AM ----- 2960 cfs (+190)
Daily Median Flow 2030 cfs
Gauge 7.33 feet (+0.11)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.71 feet (+0.01)
01/18/2019 03:15 AM
Gauge 0.71 feet (+0.01)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 5.45 feet (+0.00)
01/11/2019 04:00 PM
Gauge 5.45 feet (+0.00)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 131 cfs (-4)
01/18/2019 03:15 AM ----- 131 cfs (-4)
Daily Median Flow Not Available
Gauge 3.85 feet (-0.02)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 233 cfs (-8)
01/18/2019 03:15 AM ----- 233 cfs (-8)
Daily Median Flow 59 cfs
Gauge 4.58 feet (-0.02)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 288 cfs (-11)
01/18/2019 03:15 AM ----- 288 cfs (-11)
Daily Median Flow 64 cfs
Gauge 6.02 feet (-0.05)
View NWS Site >>
Blanco Rv at San Marcos, TX - 250 cfs (-9)
01/18/2019 02:40 AM ----- 250 cfs (-9)
Daily Median Flow Not Available
Gauge 9.59 feet (-0.05)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 288 cfs (+0)
01/18/2019 02:45 AM ----- 288 cfs (+0)
Daily Median Flow 165 cfs
Gauge 5.30 feet (+0.00)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 555 cfs (-11)
01/18/2019 02:45 AM ----- 555 cfs (-11)
Daily Median Flow 200 cfs
Gauge 9.00 feet (-0.03)
View NWS Site >>
San Marcos Rv at Luling, TX - 670 cfs (-17)
01/18/2019 02:45 AM ----- 670 cfs (-17)
Daily Median Flow 288 cfs
Gauge 6.35 feet (-0.06)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 45 cfs (-2)
01/18/2019 03:00 AM ----- 45 cfs (-2)
Daily Median Flow 5 cfs
Gauge 2.80 feet (-0.05)
Plum Ck nr Luling, TX - 78 cfs (-4)
01/18/2019 03:00 AM ----- 78 cfs (-4)
Daily Median Flow 20 cfs
Gauge 5.44 feet (-0.03)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority