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Advanced Hydrologic Prediction Service
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This probabilistic forecast is issued by the West Gulf River Forecast Center.
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About this graph
Forecasts for the Guadalupe River above Comal River at New Braunfels are issued routinely year-round.
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Upstream Gauge - at Sattler Upstream Gauge Downstream Gauge Downstream Gauge - below Comal
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 10
Flood Stage: 7
Action Stage: 6
Low Stage (in feet): -9999

Historic Crests
(1) 38.00 ft on 12/13/1913
(2) 38.00 ft on 08/08/1869
(3) 35.57 ft on 10/17/1998
(4) 32.95 ft on 06/15/1935
(5) 32.48 ft on 07/03/1932
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(P): Preliminary values subject to further review.

Recent Crests
(1) 12.69 ft on 10/14/2021
(2) 22.52 ft on 10/30/2015 (P)
(3) 27.26 ft on 06/09/2010
(4) 16.57 ft on 11/22/2004
(5) 28.95 ft on 07/06/2002
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
33 Disastrous, life threatening flooding reaches many homes in New Braunfels. All roads, streets and bridges in the flood plain below Canyon Dam to below Seguin are severely flooded and dangerous. RV and mobile home parks below New Braunfels are inundated. Camping areas along River Road below Canyon Dam will be under more than 25 feet of water.
29 Disastrous life threatening flooding has the potential to drown people in the flood plain below Canyon Dam to below Seguin. Recreational camps along River Road below Canyon Dam flood severely. River Road is impassable. Visitors should evacuate on foot away from the river. Hundreds of homes in New Braunfels, Treasure Island and Seguin flood severely with some homes washing downstream.
25 Disastrous life threatening flooding occurs below Canyon Dam to below Seguin. Roads near the river flood severely and are extremely dangerous to motorists. Campgrounds along River Road flood. Much of River Road is impassable and extremely dangerous for auto traffic. Visitors should not evacuate in cars on River Road. Evacuate on foot directly away from the river up canyon walls. Lowest homes in New Braunfels flood severely.
21 Major flooding puts 4 feet of water over the Common Street bridge. River Road upstream and adjoining campgrounds are severely flooded and extremely dangerous. Lowest homes in New Braunfels are threatened. The bridge at Gruene is under more than 15 feet of water.
17 The Common Street bridge floor over the Guadalupe River floods. Lowest homes are threatened. Much of River Road floods. Sleeping campers, autos and gear on the Guadalupe River banks can wash downstream.
14 Major lowland flooding threatens lowest homes. Numerous roads, streets and low bridges are flooded. River Road and camping areas upstream are severely flooded and extremely dangerous.
12.5 Several sections of River Road flood. Autos, gear and sleeping campers can wash downstream from low banks adjacent to the river. Flow is well into the flood plain through New Braunfels.
10 Moderate lowland floodng closes several sections of River Road. Campers autos and equipment along the river can be washed downstream.
7 Minor lowland flooding reaches the lowest sections of River Road above New Braunfels threatening sleeping campers, autos and gear on low areas near and above Gruene. The bridge on Gruene Road becomes flooded and impassable.
6 Minor lowland flooding reaches the lower portions of campsites along River Road. Water reaches the bridge floor at Gruene Road.
5 Flow exceeds lowest banks.

Other Real-time and/or Archive Data Sources:

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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Austin/San Antonio Weather Forecast Office
2090 Airport Road
New Braunfels, TX 78130
(830) 629-0130
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Page last modified: 2-Nov-2020 7:29 PM
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