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 - 71 cfs (+19)
11/19/2019 04:05 AM ----- 71 cfs (+19)
Daily Median Flow 54 cfs
Gauge 7.97 feet (+0.12)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 43 cfs (+5)
11/19/2019 04:00 AM ----- 43 cfs (+5)
Daily Median Flow 25 cfs
Gauge 1.77 feet (+0.04)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 65 cfs (+4)
11/19/2019 03:45 AM ----- 65 cfs (+4)
Daily Median Flow 82 cfs
Gauge 1.76 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 84 cfs (-2)
11/19/2019 03:45 AM ----- 84 cfs (-2)
Daily Median Flow 117 cfs
Gauge 3.48 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 83 cfs (+3)
11/19/2019 04:00 AM ----- 83 cfs (+3)
Daily Median Flow 139 cfs
Gauge 2.44 feet (+0.02)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 906.24 msl (+0.00)
11/19/2019 03:15 AM
906.24 msl (+0.00)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 82 cfs (+0)
11/19/2019 04:00 AM ----- 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 3.74 feet (+0.00)
11/19/2019 04:00 AM
Gauge 3.74 feet (+0.00)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 153 cfs (+0)
11/19/2019 04:00 AM ----- 153 cfs (+0)
Daily Median Flow 219 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.29 msl (+0.00)
11/19/2019 03:30 AM
799.29 msl (+0.00)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.00 cfs (+0.00)
11/19/2019 04:00 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 0 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 330 cfs (+19)
11/19/2019 03:45 AM ----- 330 cfs (+19)
Daily Median Flow 297 cfs
Gauge 4.21 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 9.61 feet (+0.00)
11/19/2019 04:00 AM
Gauge 9.61 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.46 feet (+0.06)
11/19/2019 03:15 AM
Gauge -0.46 feet (+0.06)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.10 feet (-0.03)
11/19/2019 04:00 AM
Gauge 4.10 feet (-0.03)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 527 cfs (-17)
11/19/2019 03:15 AM ----- 527 cfs (-17)
Daily Median Flow 484 cfs
Gauge 11.90 feet (-0.04)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 7.33 feet (+0.69)
11/19/2019 03:30 AM
Gauge 7.33 feet (+0.69)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 707 cfs (+0)
11/19/2019 03:45 AM ----- 707 cfs (+0)
Daily Median Flow 812 cfs
Gauge 12.04 feet (+0.00)
View NWS Forecast >>
Peach Creek at Hwy 90 nr Waelder, TX - 0.00 cfs (+0.00)
11/19/2019 03:30 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 81 cfs
Gauge 2.96 feet (+0.00)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 6.08 cfs (-1.69)
11/19/2019 04:00 AM ----- 6.08 cfs (-1.69)
Daily Median Flow 6 cfs
Gauge 8.06 feet (-0.16)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 632 cfs (-32)
11/19/2019 04:00 AM ----- 632 cfs (-32)
Gauge 6.89 feet (-0.09)
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 - 0.55 cfs (+0.00)
11/19/2019 04:00 AM ----- 0.55 cfs (+0.00)
Daily Median Flow 8 cfs
Gauge 2.17 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 656 cfs (+34)
11/19/2019 03:30 AM ----- 656 cfs (+34)
Daily Median Flow 900 cfs
Gauge 8.33 feet (+0.08)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 664 cfs (+0)
11/19/2019 04:15 AM ----- 664 cfs (+0)
Daily Median Flow 948 cfs
Gauge 6.22 feet (+0.00)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 0.00 cfs (+0.00)
11/19/2019 03:45 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 9 cfs
Gauge 3.60 feet (-0.01)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 94.69 msl (-0.03)
11/19/2019 04:00 AM
94.69 msl (-0.03)
View NWS Site >>
Coleto Ck nr Victoria, TX - 2.35 cfs (+0.00)
11/19/2019 03:30 AM ----- 2.35 cfs (+0.00)
Daily Median Flow 5 cfs
Gauge 3.83 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 684 cfs (+13)
11/19/2019 04:00 AM ----- 684 cfs (+13)
Daily Median Flow 961 cfs
Gauge 10.51 feet (+0.07)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 965 cfs (+13)
11/19/2019 03:30 AM ----- 965 cfs (+13)
Daily Median Flow 1680 cfs
Gauge 3.25 feet (-0.04)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.48 feet (+0.01)
11/19/2019 04:00 AM
Gauge 0.48 feet (+0.01)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 2.77 feet (+0.00)
11/19/2019 04:00 AM
Gauge 2.77 feet (+0.00)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 19 cfs (+0)
11/19/2019 04:00 AM ----- 19 cfs (+0)
Daily Median Flow Not Available
Gauge 3.74 feet (+0.00)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 31 cfs (+0)
11/19/2019 04:00 AM ----- 31 cfs (+0)
Daily Median Flow 48 cfs
Gauge 3.76 feet (+0.00)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 0.00 cfs (+0.00)
11/19/2019 04:00 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 45 cfs
Gauge 2.96 feet (+0.00)
View NWS Site >>
Blanco Rv at San Marcos, TX - 2.02 cfs (+0.06)
11/19/2019 03:40 AM ----- 2.02 cfs (+0.06)
Daily Median Flow Not Available
Gauge 7.56 feet (+0.01)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 178 cfs (+7)
11/19/2019 03:45 AM ----- 178 cfs (+7)
Daily Median Flow 178 cfs
Gauge 4.50 feet (+0.03)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 130 cfs (+4)
11/19/2019 03:45 AM ----- 130 cfs (+4)
Daily Median Flow 264 cfs
Gauge 7.75 feet (+0.01)
View NWS Site >>
San Marcos Rv at Luling, TX - 196 cfs (-2)
11/19/2019 03:45 AM ----- 196 cfs (-2)
Daily Median Flow 218 cfs
Gauge 4.56 feet (-0.01)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 13 cfs (+1)
11/19/2019 04:00 AM ----- 13 cfs (+1)
Daily Median Flow 1 cfs
Gauge 2.33 feet (+0.04)
Plum Ck nr Luling, TX - 11 cfs (+0)
11/19/2019 04:00 AM ----- 11 cfs (+0)
Daily Median Flow 12 cfs
Gauge 4.70 feet (+0.00)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority