Guadalupe River at Sattler, TX
River level and flood forecast · Comal County
Normal4.5 ftas of Mon 2:35 PM
The river is 4.5 ft below flood stage (9 ft).
Forecast to hold near 4.5 ft through Sat, Oct 17, 7 AM.
Flow: 105 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 8:11 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 12 ft |
| Moderate flood stage | 10 ft |
| Flood stage | 9 ft |
| Action stage | 8 ft |
| Record crest (July 1, 1932) | 39 ft |
What floods at each level
From the National Weather Service, highest first.
- 29 ftLife threatening disastrous flooding reaches slab elevation of the lowest homes in the reach near Sattler. Camp facilities in the Guadalupe River flood plain below Canyon Dam to New Braunfels are disastrously flooded. River Road is impassable and deadly. Evacuations should be on foot directly away from the river and in no circumstances by automobiles. Residential flooding in New Braunfels is disastrous.
- 25 ftDisastrous life threatening flooding below Canyon Dam can be deadly to campers and motorists along River Road. Flow is near 20 feet deep in lowest camping areas and some sections of River Road. Lowest homes in New Braunfels are flooded. Low roads and bridges are very dangerous to motorists below Canyon Dam to below New Braunfels.
- 21 ftDisastrous flooding is potentially deadly to camps and motorists along River Road below Canyon Dam. Camps are under up to fifteen feet of turbulent flow. Lowest residences in New Braunfels are threatened and roads are severely flooded and very dangerous.
- 17 ftMajor flooding can be deadly in camping facilities along River Road between Canyon Dam and New Braunfels. Campers should evacuate low areas on foot directly away from the river. Do not drive automobiles along River Road. Lowest residences downstream in New Braunfels are threatened and low roads are very dangerous.
- 13 ftThe lowest homes in New Braunfels near Common Street flood. Flow is well over banks flooding much of River Road. Sleeping campers, autos, and gear on the banks near and above Gruene can be swept downstream. The bridge at Gruene is flooded. Flow is within a foot of the city park at Sattler.
- 12 ftMajor flooding makes sections of River Road impassable. The bridge at Gruene is flooded. Sleeping campers, automobiles, and gear on low sections of the Guadalupe River near and above Gruene can be swept downstream.
- 11 ftThe low bridge near Gruene is closed. Lowest sections of River Road will experience flooding. Water will approach River Road bridge Crossings 1, 2, 3, and 4 downstream.
- 9 ftThe low bridge near Gruene is closed. Minor lowland flooding approaches the lowest sections of River Road downstream below Sattler.
Highest crests on record
- 39 ft — July 1, 1932
- 39 ft — June 1, 1935
- 35.55 ft — July 6, 2002
- 33.3 ft — September 1, 1952
- 12.2 ft — October 29, 1960
Recent crests: 35.55 ft (July 6, 2002) · 12.2 ft (October 29, 1960) · 33.3 ft (September 1, 1952) · 39 ft (June 1, 1935) · 39 ft (July 1, 1932)
Up and down the river, and nearby
- DownstreamGuadalupe River at 3rd Crossing nr Sattler, TX
- Bear Creek at FM 2722 nr Sattler, TX
- Blanco River at Fischer Store Rd near Fischer, TX
- Guadalupe River above Comal River at New Braunfels, TX
- Blanco River at Wimberley, TX
- Comal River at New Braunfels, TX
- Dry Comal at Loop 337, TX
- Guadalupe River below Comal, TX
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (STLT2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.