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  The 2019 National Hydrologic Assessment - Spring Flood Outlook has been released (3/21/19) - Visit website, story map, or download file

Hydrograph River at a Glance Download
Guadalupe River at Canyon Lake Pool (ft)Highest Observation: 909.32 ft at 4:45PM Mar 16, 2019Highest Observation: 909.32 ft at 5:00PM Mar 16, 2019Highest Observation: 909.32 ft at 5:15PM Mar 16, 2019Highest Observation: 909.32 ft at 5:30PM Mar 16, 2019Highest Observation: 909.32 ft at 5:45PM Mar 16, 2019Highest Observation: 909.32 ft at 6:00PM Mar 16, 2019Highest Observation: 909.32 ft at 6:15PM Mar 16, 2019Highest Observation: 909.32 ft at 6:30PM Mar 16, 2019Highest Observation: 909.32 ft at 6:45PM Mar 16, 2019Highest Observation: 909.32 ft at 7:00PM Mar 16, 2019Highest Observation: 909.32 ft at 7:15PM Mar 16, 2019Highest Observation: 909.32 ft at 7:30PM Mar 16, 2019Highest Observation: 909.32 ft at 7:45PM Mar 16, 2019Highest Observation: 909.32 ft at 8:00PM Mar 16, 2019Highest Observation: 909.32 ft at 8:15PM Mar 16, 2019Highest Observation: 909.32 ft at 8:30PM Mar 16, 2019Highest Observation: 909.32 ft at 8:45PM Mar 16, 2019Highest Observation: 909.32 ft at 9:00PM Mar 16, 2019Highest Observation: 909.32 ft at 9:15PM Mar 16, 2019Highest Observation: 909.32 ft at 9:30PM Mar 16, 2019Highest Observation: 909.32 ft at 9:45PM Mar 16, 2019Highest Observation: 909.32 ft at 10:00PM Mar 16, 2019Highest Observation: 909.32 ft at 10:15PM Mar 16, 2019Highest Observation: 909.32 ft at 10:30PM Mar 16, 2019Highest Observation: 909.32 ft at 10:45PM Mar 16, 2019Highest Observation: 909.32 ft at 11:00PM Mar 16, 2019Highest Observation: 909.32 ft at 11:15PM Mar 16, 2019Highest Observation: 909.32 ft at 11:30PM Mar 16, 2019Highest Observation: 909.32 ft at 11:45PM Mar 16, 2019Highest Observation: 909.32 ft at 12:00AM Mar 17, 2019Highest Observation: 909.32 ft at 12:15AM Mar 17, 2019Highest Observation: 909.32 ft at 12:30AM Mar 17, 2019Highest Observation: 909.32 ft at 12:45AM Mar 17, 2019Highest Observation: 909.32 ft at 1:00AM Mar 17, 2019Highest Observation: 909.32 ft at 1:15AM Mar 17, 2019Highest Observation: 909.32 ft at 1:30AM Mar 17, 2019Highest Observation: 909.32 ft at 1:45AM Mar 17, 2019Highest Observation: 909.32 ft at 2:00AM Mar 17, 2019Highest Observation: 909.32 ft at 2:15AM Mar 17, 2019Highest Observation: 909.32 ft at 2:30AM Mar 17, 2019Highest Observation: 909.32 ft at 2:45AM Mar 17, 2019Highest Observation: 909.32 ft at 3:00AM Mar 17, 2019Highest Observation: 909.32 ft at 3:15AM Mar 17, 2019Highest Observation: 909.32 ft at 3:30AM Mar 17, 2019Highest Observation: 909.32 ft at 3:45AM Mar 17, 2019Highest Observation: 909.32 ft at 4:00AM Mar 17, 2019Highest Observation: 909.32 ft at 4:15AM Mar 17, 2019Highest Observation: 909.32 ft at 4:30AM Mar 17, 2019Highest Observation: 909.32 ft at 4:45AM Mar 17, 2019Highest Observation: 909.32 ft at 5:00AM Mar 17, 2019Highest Observation: 909.32 ft at 5:15AM Mar 17, 2019Highest Observation: 909.32 ft at 5:30AM Mar 17, 2019Highest Observation: 909.32 ft at 5:45AM Mar 17, 2019Highest Observation: 909.32 ft at 6:00AM Mar 17, 2019Highest Observation: 909.32 ft at 6:15AM Mar 17, 2019Highest Observation: 909.32 ft at 6:30AM Mar 17, 2019Highest Observation: 909.32 ft at 6:45AM Mar 17, 2019Highest Observation: 909.32 ft at 7:00AM Mar 17, 2019Highest Observation: 909.32 ft at 7:15AM Mar 17, 2019Highest Observation: 909.32 ft at 7:30AM Mar 17, 2019Highest Observation: 909.32 ft at 7:45AM Mar 17, 2019Highest Observation: 909.32 ft at 8:00AM Mar 17, 2019Highest Observation: 909.32 ft at 8:15AM Mar 17, 2019Highest Observation: 909.32 ft at 8:30AM Mar 17, 2019Highest Observation: 909.32 ft at 8:45AM Mar 17, 2019Highest Observation: 909.32 ft at 9:00AM Mar 17, 2019Highest Observation: 909.32 ft at 9:15AM Mar 17, 2019Highest Observation: 909.32 ft at 9:30AM Mar 17, 2019Highest Observation: 909.32 ft at 9:45AM Mar 17, 2019Highest Observation: 909.32 ft at 10:00AM Mar 17, 2019Highest Observation: 909.32 ft at 10:15AM Mar 17, 2019Highest Observation: 909.32 ft at 10:30AM Mar 17, 2019Highest Observation: 909.32 ft at 10:45AM Mar 17, 2019Highest Observation: 909.32 ft at 11:00AM Mar 17, 2019Highest Observation: 909.32 ft at 11:15AM Mar 17, 2019Highest Observation: 909.32 ft at 11:30AM Mar 17, 2019Highest Observation: 909.32 ft at 11:45AM Mar 17, 2019Highest Observation: 909.32 ft at 12:00PM Mar 17, 2019Highest Observation: 909.32 ft at 12:15PM Mar 17, 2019Highest Observation: 909.32 ft at 12:30PM Mar 17, 2019Highest Observation: 909.32 ft at 12:45PM Mar 17, 2019Observed: 909.31 ft at 1:00PM Mar 17, 2019Observed: 909.31 ft at 1:15PM Mar 17, 2019Observed: 909.31 ft at 1:30PM Mar 17, 2019Observed: 909.31 ft at 1:45PM Mar 17, 2019Observed: 909.31 ft at 2:00PM Mar 17, 2019Observed: 909.31 ft at 2:15PM Mar 17, 2019Observed: 909.31 ft at 2:30PM Mar 17, 2019Observed: 909.31 ft at 2:45PM Mar 17, 2019Observed: 909.31 ft at 3:00PM Mar 17, 2019Observed: 909.31 ft at 3:15PM Mar 17, 2019Observed: 909.31 ft at 3:30PM Mar 17, 2019Observed: 909.31 ft at 3:45PM Mar 17, 2019Observed: 909.31 ft at 4:00PM Mar 17, 2019Observed: 909.31 ft at 4:15PM Mar 17, 2019Observed: 909.31 ft at 4:30PM Mar 17, 2019Observed: 909.31 ft at 4:45PM Mar 17, 2019Observed: 909.31 ft at 5:00PM Mar 17, 2019Observed: 909.31 ft at 5:15PM Mar 17, 2019Observed: 909.31 ft at 5:30PM Mar 17, 2019Observed: 909.31 ft at 5:45PM Mar 17, 2019Observed: 909.31 ft at 6:00PM Mar 17, 2019Observed: 909.31 ft at 6:15PM Mar 17, 2019Observed: 909.31 ft at 6:30PM Mar 17, 2019Observed: 909.31 ft at 6:45PM Mar 17, 2019Observed: 909.31 ft at 7:00PM Mar 17, 2019Observed: 909.31 ft at 7:15PM Mar 17, 2019Observed: 909.31 ft at 7:30PM Mar 17, 2019Observed: 909.31 ft at 7:45PM Mar 17, 2019Observed: 909.31 ft at 8:00PM Mar 17, 2019Observed: 909.31 ft at 8:15PM Mar 17, 2019Observed: 909.31 ft at 8:30PM Mar 17, 2019Observed: 909.31 ft at 8:45PM Mar 17, 2019Observed: 909.31 ft at 9:00PM Mar 17, 2019Observed: 909.31 ft at 9:15PM Mar 17, 2019Observed: 909.31 ft at 9:30PM Mar 17, 2019Observed: 909.31 ft at 9:45PM Mar 17, 2019Observed: 909.31 ft at 10:00PM Mar 17, 2019Observed: 909.31 ft at 10:15PM Mar 17, 2019Observed: 909.31 ft at 10:30PM Mar 17, 2019Observed: 909.31 ft at 10:45PM Mar 17, 2019Observed: 909.31 ft at 11:00PM Mar 17, 2019Observed: 909.31 ft at 11:15PM Mar 17, 2019Observed: 909.31 ft at 11:30PM Mar 17, 2019Observed: 909.31 ft at 11:45PM Mar 17, 2019Observed: 909.31 ft at 12:00AM Mar 18, 2019Observed: 909.31 ft at 12:15AM Mar 18, 2019Observed: 909.31 ft at 12:30AM Mar 18, 2019Observed: 909.31 ft at 12:45AM Mar 18, 2019Observed: 909.31 ft at 1:00AM Mar 18, 2019Observed: 909.31 ft at 1:15AM Mar 18, 2019Observed: 909.31 ft at 1:30AM Mar 18, 2019Observed: 909.31 ft at 1:45AM Mar 18, 2019Observed: 909.31 ft at 2:00AM Mar 18, 2019Observed: 909.3 ft at 2:15AM Mar 18, 2019Observed: 909.3 ft at 2:30AM Mar 18, 2019Observed: 909.3 ft at 2:45AM Mar 18, 2019Observed: 909.3 ft at 3:00AM Mar 18, 2019Observed: 909.3 ft at 3:15AM Mar 18, 2019Observed: 909.3 ft at 3:30AM Mar 18, 2019Observed: 909.3 ft at 3:45AM Mar 18, 2019Observed: 909.3 ft at 4:00AM Mar 18, 2019Observed: 909.3 ft at 4:15AM Mar 18, 2019Observed: 909.3 ft at 4:30AM Mar 18, 2019Observed: 909.3 ft at 4:45AM Mar 18, 2019Observed: 909.3 ft at 5:00AM Mar 18, 2019Observed: 909.3 ft at 5:15AM Mar 18, 2019Observed: 909.3 ft at 5:30AM Mar 18, 2019Observed: 909.3 ft at 5:45AM Mar 18, 2019Observed: 909.3 ft at 6:00AM Mar 18, 2019Observed: 909.3 ft at 6:15AM Mar 18, 2019Observed: 909.3 ft at 6:30AM Mar 18, 2019Observed: 909.3 ft at 6:45AM Mar 18, 2019Observed: 909.3 ft at 7:00AM Mar 18, 2019Observed: 909.3 ft at 7:15AM Mar 18, 2019Observed: 909.3 ft at 7:30AM Mar 18, 2019Observed: 909.3 ft at 7:45AM Mar 18, 2019Observed: 909.3 ft at 8:00AM Mar 18, 2019Observed: 909.3 ft at 8:15AM Mar 18, 2019Observed: 909.3 ft at 8:30AM Mar 18, 2019Observed: 909.3 ft at 8:45AM Mar 18, 2019Observed: 909.3 ft at 9:00AM Mar 18, 2019Observed: 909.3 ft at 9:15AM Mar 18, 2019Observed: 909.3 ft at 9:30AM Mar 18, 2019Observed: 909.3 ft at 9:45AM Mar 18, 2019Observed: 909.3 ft at 10:00AM Mar 18, 2019Observed: 909.3 ft at 10:15AM Mar 18, 2019Observed: 909.29 ft at 10:30AM Mar 18, 2019Observed: 909.29 ft at 10:45AM Mar 18, 2019Observed: 909.29 ft at 11:00AM Mar 18, 2019Observed: 909.29 ft at 11:01AM Mar 18, 2019Observed: 909.29 ft at 11:15AM Mar 18, 2019Observed: 909.28 ft at 11:30AM Mar 18, 2019Observed: 909.28 ft at 11:45AM Mar 18, 2019Observed: 909.28 ft at 12:00PM Mar 18, 2019Observed: 909.28 ft at 12:15PM Mar 18, 2019Observed: 909.28 ft at 12:30PM Mar 18, 2019Observed: 909.28 ft at 12:45PM Mar 18, 2019Observed: 909.28 ft at 1:00PM Mar 18, 2019Observed: 909.28 ft at 1:15PM Mar 18, 2019Observed: 909.28 ft at 1:30PM Mar 18, 2019Observed: 909.28 ft at 1:45PM Mar 18, 2019Observed: 909.28 ft at 2:00PM Mar 18, 2019Observed: 909.28 ft at 2:15PM Mar 18, 2019Observed: 909.28 ft at 2:30PM Mar 18, 2019Observed: 909.28 ft at 2:45PM Mar 18, 2019Observed: 909.28 ft at 3:00PM Mar 18, 2019Observed: 909.28 ft at 3:15PM Mar 18, 2019Observed: 909.28 ft at 3:30PM Mar 18, 2019Observed: 909.28 ft at 3:45PM Mar 18, 2019Observed: 909.28 ft at 4:00PM Mar 18, 2019Observed: 909.28 ft at 4:15PM Mar 18, 2019Observed: 909.28 ft at 4:30PM Mar 18, 2019Observed: 909.28 ft at 4:45PM Mar 18, 2019Observed: 909.28 ft at 5:00PM Mar 18, 2019Observed: 909.27 ft at 5:15PM Mar 18, 2019Observed: 909.27 ft at 5:30PM Mar 18, 2019Observed: 909.27 ft at 5:45PM Mar 18, 2019Observed: 909.27 ft at 6:00PM Mar 18, 2019Observed: 909.27 ft at 6:15PM Mar 18, 2019Observed: 909.27 ft at 6:30PM Mar 18, 2019Observed: 909.27 ft at 6:45PM Mar 18, 2019Observed: 909.27 ft at 7:00PM Mar 18, 2019Observed: 909.27 ft at 7:15PM Mar 18, 2019Observed: 909.27 ft at 7:30PM Mar 18, 2019Observed: 909.27 ft at 7:45PM Mar 18, 2019Observed: 909.27 ft at 8:00PM Mar 18, 2019Observed: 909.27 ft at 8:15PM Mar 18, 2019Observed: 909.27 ft at 8:30PM Mar 18, 2019Observed: 909.27 ft at 8:45PM Mar 18, 2019Observed: 909.27 ft at 9:00PM Mar 18, 2019Observed: 909.27 ft at 9:15PM Mar 18, 2019Observed: 909.27 ft at 9:30PM Mar 18, 2019Observed: 909.27 ft at 9:45PM Mar 18, 2019Observed: 909.27 ft at 10:00PM Mar 18, 2019Observed: 909.27 ft at 10:15PM Mar 18, 2019Observed: 909.27 ft at 10:30PM Mar 18, 2019Observed: 909.27 ft at 10:45PM Mar 18, 2019Observed: 909.27 ft at 11:00PM Mar 18, 2019Observed: 909.27 ft at 11:15PM Mar 18, 2019Observed: 909.27 ft at 11:30PM Mar 18, 2019Observed: 909.27 ft at 11:45PM Mar 18, 2019Observed: 909.27 ft at 12:00AM Mar 19, 2019Observed: 909.27 ft at 12:15AM Mar 19, 2019Observed: 909.27 ft at 12:30AM Mar 19, 2019Observed: 909.27 ft at 12:45AM Mar 19, 2019Observed: 909.27 ft at 1:00AM Mar 19, 2019Observed: 909.27 ft at 1:15AM Mar 19, 2019Observed: 909.27 ft at 1:30AM Mar 19, 2019Observed: 909.27 ft at 1:45AM Mar 19, 2019Observed: 909.27 ft at 2:00AM Mar 19, 2019Observed: 909.27 ft at 2:15AM Mar 19, 2019Observed: 909.27 ft at 2:30AM Mar 19, 2019Observed: 909.27 ft at 2:45AM Mar 19, 2019Observed: 909.27 ft at 3:00AM Mar 19, 2019Observed: 909.27 ft at 3:15AM Mar 19, 2019Observed: 909.27 ft at 3:30AM Mar 19, 2019Observed: 909.27 ft at 3:45AM Mar 19, 2019Observed: 909.27 ft at 4:00AM Mar 19, 2019Observed: 909.27 ft at 4:15AM Mar 19, 2019Observed: 909.27 ft at 4:30AM Mar 19, 2019Observed: 909.27 ft at 4:45AM Mar 19, 2019Observed: 909.27 ft at 5:00AM Mar 19, 2019Observed: 909.27 ft at 5:15AM Mar 19, 2019Observed: 909.27 ft at 5:30AM Mar 19, 2019Observed: 909.27 ft at 5:45AM Mar 19, 2019Observed: 909.27 ft at 6:00AM Mar 19, 2019Observed: 909.27 ft at 6:15AM Mar 19, 2019Observed: 909.27 ft at 6:30AM Mar 19, 2019Observed: 909.27 ft at 6:45AM Mar 19, 2019Observed: 909.27 ft at 7:00AM Mar 19, 2019Observed: 909.27 ft at 7:15AM Mar 19, 2019Observed: 909.27 ft at 7:30AM Mar 19, 2019Observed: 909.27 ft at 7:45AM Mar 19, 2019Observed: 909.27 ft at 8:00AM Mar 19, 2019Observed: 909.27 ft at 8:15AM Mar 19, 2019Observed: 909.27 ft at 8:30AM Mar 19, 2019Observed: 909.27 ft at 8:45AM Mar 19, 2019Observed: 909.27 ft at 9:00AM Mar 19, 2019Observed: 909.27 ft at 9:15AM Mar 19, 2019Observed: 909.27 ft at 9:30AM Mar 19, 2019Observed: 909.27 ft at 9:45AM Mar 19, 2019Observed: 909.27 ft at 10:00AM Mar 19, 2019Observed: 909.27 ft at 10:15AM Mar 19, 2019Observed: 909.27 ft at 10:30AM Mar 19, 2019Observed: 909.27 ft at 10:45AM Mar 19, 2019Observed: 909.27 ft at 11:00AM Mar 19, 2019Observed: 909.27 ft at 11:01AM Mar 19, 2019Observed: 909.27 ft at 11:15AM Mar 19, 2019Observed: 909.26 ft at 11:30AM Mar 19, 2019Observed: 909.26 ft at 11:45AM Mar 19, 2019Observed: 909.26 ft at 12:00PM Mar 19, 2019Observed: 909.26 ft at 12:15PM Mar 19, 2019Observed: 909.26 ft at 12:30PM Mar 19, 2019Observed: 909.26 ft at 12:45PM Mar 19, 2019Observed: 909.26 ft at 1:00PM Mar 19, 2019Observed: 909.26 ft at 1:15PM Mar 19, 2019Observed: 909.25 ft at 1:30PM Mar 19, 2019Observed: 909.25 ft at 1:45PM Mar 19, 2019Observed: 909.25 ft at 2:00PM Mar 19, 2019Observed: 909.25 ft at 2:15PM Mar 19, 2019Observed: 909.25 ft at 2:30PM Mar 19, 2019Observed: 909.25 ft at 2:45PM Mar 19, 2019Observed: 909.25 ft at 3:00PM Mar 19, 2019Observed: 909.25 ft at 3:15PM Mar 19, 2019Observed: 909.25 ft at 3:30PM Mar 19, 2019Observed: 909.25 ft at 3:45PM Mar 19, 2019Observed: 909.25 ft at 4:00PM Mar 19, 2019Observed: 909.25 ft at 4:15PM Mar 19, 2019Observed: 909.25 ft at 4:30PM Mar 19, 2019Observed: 909.25 ft at 4:45PM Mar 19, 2019Observed: 909.25 ft at 5:00PM Mar 19, 2019Observed: 909.25 ft at 5:15PM Mar 19, 2019Observed: 909.25 ft at 5:30PM Mar 19, 2019Observed: 909.25 ft at 5:45PM Mar 19, 2019Observed: 909.25 ft at 6:00PM Mar 19, 2019Observed: 909.25 ft at 6:15PM Mar 19, 2019Observed: 909.25 ft at 6:30PM Mar 19, 2019Observed: 909.25 ft at 6:45PM Mar 19, 2019Observed: 909.25 ft at 7:00PM Mar 19, 2019Observed: 909.25 ft at 7:15PM Mar 19, 2019Observed: 909.25 ft at 7:30PM Mar 19, 2019Observed: 909.25 ft at 7:45PM Mar 19, 2019Observed: 909.25 ft at 8:00PM Mar 19, 2019Observed: 909.25 ft at 8:15PM Mar 19, 2019Observed: 909.25 ft at 8:30PM Mar 19, 2019Observed: 909.25 ft at 8:45PM Mar 19, 2019Observed: 909.25 ft at 9:00PM Mar 19, 2019Observed: 909.25 ft at 9:15PM Mar 19, 2019Observed: 909.25 ft at 9:30PM Mar 19, 2019Observed: 909.25 ft at 9:45PM Mar 19, 2019Observed: 909.25 ft at 10:00PM Mar 19, 2019Observed: 909.25 ft at 10:15PM Mar 19, 2019Observed: 909.25 ft at 10:30PM Mar 19, 2019Observed: 909.25 ft at 10:45PM Mar 19, 2019Observed: 909.25 ft at 11:00PM Mar 19, 2019Observed: 909.25 ft at 11:15PM Mar 19, 2019Observed: 909.25 ft at 11:30PM Mar 19, 2019Observed: 909.25 ft at 11:45PM Mar 19, 2019Observed: 909.25 ft at 12:00AM Mar 20, 2019Observed: 909.25 ft at 12:15AM Mar 20, 2019Observed: 909.25 ft at 12:30AM Mar 20, 2019Observed: 909.25 ft at 12:45AM Mar 20, 2019Observed: 909.25 ft at 1:00AM Mar 20, 2019Observed: 909.25 ft at 1:15AM Mar 20, 2019Observed: 909.25 ft at 1:30AM Mar 20, 2019Observed: 909.25 ft at 1:45AM Mar 20, 2019Observed: 909.25 ft at 2:00AM Mar 20, 2019Observed: 909.25 ft at 2:15AM Mar 20, 2019Observed: 909.25 ft at 2:30AM Mar 20, 2019Observed: 909.25 ft at 2:45AM Mar 20, 2019Observed: 909.25 ft at 3:00AM Mar 20, 2019Observed: 909.25 ft at 3:15AM Mar 20, 2019Observed: 909.25 ft at 3:30AM Mar 20, 2019Observed: 909.25 ft at 3:45AM Mar 20, 2019Observed: 909.25 ft at 4:00AM Mar 20, 2019Observed: 909.24 ft at 4:15AM Mar 20, 2019Observed: 909.24 ft at 4:30AM Mar 20, 2019Observed: 909.24 ft at 4:45AM Mar 20, 2019Observed: 909.24 ft at 5:00AM Mar 20, 2019Observed: 909.24 ft at 5:15AM Mar 20, 2019Observed: 909.24 ft at 5:30AM Mar 20, 2019Observed: 909.24 ft at 5:45AM Mar 20, 2019Observed: 909.24 ft at 6:00AM Mar 20, 2019Observed: 909.24 ft at 6:15AM Mar 20, 2019Observed: 909.24 ft at 6:30AM Mar 20, 2019Observed: 909.24 ft at 6:45AM Mar 20, 2019Observed: 909.24 ft at 7:00AM Mar 20, 2019Observed: 909.24 ft at 7:15AM Mar 20, 2019Observed: 909.24 ft at 7:30AM Mar 20, 2019Observed: 909.24 ft at 7:45AM Mar 20, 2019Observed: 909.24 ft at 8:00AM Mar 20, 2019Observed: 909.24 ft at 8:15AM Mar 20, 2019Observed: 909.24 ft at 8:30AM Mar 20, 2019Observed: 909.24 ft at 8:45AM Mar 20, 2019Observed: 909.24 ft at 9:00AM Mar 20, 2019Observed: 909.24 ft at 9:15AM Mar 20, 2019Observed: 909.24 ft at 9:30AM Mar 20, 2019Observed: 909.24 ft at 9:45AM Mar 20, 2019Observed: 909.24 ft at 10:00AM Mar 20, 2019Observed: 909.24 ft at 10:15AM Mar 20, 2019Observed: 909.24 ft at 10:30AM Mar 20, 2019Observed: 909.24 ft at 10:45AM Mar 20, 2019Observed: 909.24 ft at 11:00AM Mar 20, 2019Observed: 909.24 ft at 11:01AM Mar 20, 2019Observed: 909.24 ft at 11:15AM Mar 20, 2019Observed: 909.24 ft at 11:30AM Mar 20, 2019Observed: 909.24 ft at 11:45AM Mar 20, 2019Observed: 909.24 ft at 12:00PM Mar 20, 2019Observed: 909.24 ft at 12:15PM Mar 20, 2019Observed: 909.24 ft at 12:30PM Mar 20, 2019Observed: 909.24 ft at 12:45PM Mar 20, 2019Observed: 909.24 ft at 1:00PM Mar 20, 2019Observed: 909.24 ft at 1:15PM Mar 20, 2019Observed: 909.24 ft at 1:30PM Mar 20, 2019Observed: 909.24 ft at 1:45PM Mar 20, 2019Observed: 909.24 ft at 2:00PM Mar 20, 2019Observed: 909.24 ft at 2:15PM Mar 20, 2019Observed: 909.24 ft at 2:30PM Mar 20, 2019Observed: 909.24 ft at 2:45PM Mar 20, 2019Observed: 909.24 ft at 3:00PM Mar 20, 2019Observed: 909.24 ft at 3:15PM Mar 20, 2019Observed: 909.24 ft at 3:30PM Mar 20, 2019Observed: 909.24 ft at 3:45PM Mar 20, 2019Observed: 909.24 ft at 4:00PM Mar 20, 2019Observed: 909.24 ft at 4:15PM Mar 20, 2019Observed: 909.24 ft at 4:30PM Mar 20, 2019Observed: 909.24 ft at 4:45PM Mar 20, 2019Observed: 909.24 ft at 5:00PM Mar 20, 2019Observed: 909.24 ft at 5:15PM Mar 20, 2019Observed: 909.24 ft at 5:30PM Mar 20, 2019Observed: 909.24 ft at 5:45PM Mar 20, 2019Observed: 909.24 ft at 6:00PM Mar 20, 2019Observed: 909.24 ft at 6:15PM Mar 20, 2019Observed: 909.24 ft at 6:30PM Mar 20, 2019Observed: 909.24 ft at 6:45PM Mar 20, 2019Observed: 909.24 ft at 7:00PM Mar 20, 2019Observed: 909.24 ft at 7:15PM Mar 20, 2019Observed: 909.24 ft at 7:30PM Mar 20, 2019Observed: 909.24 ft at 7:45PM Mar 20, 2019Observed: 909.24 ft at 8:00PM Mar 20, 2019Observed: 909.24 ft at 8:15PM Mar 20, 2019Observed: 909.24 ft at 8:30PM Mar 20, 2019Observed: 909.24 ft at 8:45PM Mar 20, 2019Observed: 909.24 ft at 9:00PM Mar 20, 2019Observed: 909.24 ft at 9:15PM Mar 20, 2019Observed: 909.24 ft at 9:30PM Mar 20, 2019Observed: 909.24 ft at 9:45PM Mar 20, 2019Observed: 909.24 ft at 10:00PM Mar 20, 2019Observed: 909.24 ft at 10:15PM Mar 20, 2019Observed: 909.24 ft at 10:30PM Mar 20, 2019Observed: 909.24 ft at 10:45PM Mar 20, 2019Observed: 909.24 ft at 11:00PM Mar 20, 2019Observed: 909.24 ft at 11:15PM Mar 20, 2019Observed: 909.24 ft at 11:30PM Mar 20, 2019Observed: 909.24 ft at 11:45PM Mar 20, 2019Observed: 909.24 ft at 12:00AM Mar 21, 2019Observed: 909.24 ft at 12:15AM Mar 21, 2019Observed: 909.24 ft at 12:30AM Mar 21, 2019Observed: 909.24 ft at 12:45AM Mar 21, 2019Observed: 909.24 ft at 1:00AM Mar 21, 2019Observed: 909.24 ft at 1:15AM Mar 21, 2019Observed: 909.23 ft at 1:30AM Mar 21, 2019Observed: 909.23 ft at 1:45AM Mar 21, 2019Observed: 909.23 ft at 2:00AM Mar 21, 2019Observed: 909.23 ft at 2:15AM Mar 21, 2019Observed: 909.23 ft at 2:30AM Mar 21, 2019Observed: 909.23 ft at 2:45AM Mar 21, 2019Observed: 909.23 ft at 3:00AM Mar 21, 2019Observed: 909.23 ft at 3:15AM Mar 21, 2019Observed: 909.23 ft at 3:30AM Mar 21, 2019Observed: 909.23 ft at 3:45AM Mar 21, 2019Observed: 909.23 ft at 4:00AM Mar 21, 2019Observed: 909.23 ft at 4:15AM Mar 21, 2019Observed: 909.23 ft at 4:30AM Mar 21, 2019Observed: 909.23 ft at 4:45AM Mar 21, 2019Observed: 909.23 ft at 5:00AM Mar 21, 2019Observed: 909.23 ft at 5:15AM Mar 21, 2019Observed: 909.23 ft at 5:30AM Mar 21, 2019Observed: 909.23 ft at 5:45AM Mar 21, 2019Observed: 909.23 ft at 6:00AM Mar 21, 2019Observed: 909.23 ft at 6:15AM Mar 21, 2019Observed: 909.23 ft at 6:30AM Mar 21, 2019Observed: 909.23 ft at 6:45AM Mar 21, 2019Observed: 909.23 ft at 7:00AM Mar 21, 2019Observed: 909.23 ft at 7:15AM Mar 21, 2019Observed: 909.23 ft at 7:30AM Mar 21, 2019Observed: 909.23 ft at 7:45AM Mar 21, 2019Observed: 909.23 ft at 8:00AM Mar 21, 2019Observed: 909.23 ft at 8:15AM Mar 21, 2019Observed: 909.23 ft at 8:30AM Mar 21, 2019Observed: 909.23 ft at 8:45AM Mar 21, 2019Observed: 909.23 ft at 9:00AM Mar 21, 2019Observed: 909.23 ft at 9:15AM Mar 21, 2019Observed: 909.23 ft at 9:30AM Mar 21, 2019Observed: 909.23 ft at 9:45AM Mar 21, 2019Observed: 909.23 ft at 10:00AM Mar 21, 2019Observed: 909.23 ft at 10:15AM Mar 21, 2019Observed: 909.23 ft at 10:30AM Mar 21, 2019Observed: 909.23 ft at 10:45AM Mar 21, 2019Observed: 909.23 ft at 11:00AM Mar 21, 2019Observed: 909.23 ft at 11:15AM Mar 21, 2019Observed: 909.23 ft at 11:30AM Mar 21, 2019Observed: 909.23 ft at 11:45AM Mar 21, 2019Observed: 909.23 ft at 12:00PM Mar 21, 2019Observed: 909.23 ft at 12:15PM Mar 21, 2019Observed: 909.23 ft at 12:30PM Mar 21, 2019Observed: 909.23 ft at 12:45PM Mar 21, 2019Observed: 909.23 ft at 1:00PM Mar 21, 2019Observed: 909.23 ft at 1:15PM Mar 21, 2019Observed: 909.23 ft at 1:30PM Mar 21, 2019Observed: 909.22 ft at 1:45PM Mar 21, 2019Observed: 909.22 ft at 2:00PM Mar 21, 2019Observed: 909.22 ft at 2:15PM Mar 21, 2019Observed: 909.22 ft at 2:30PM Mar 21, 2019Observed: 909.22 ft at 2:45PM Mar 21, 2019Observed: 909.22 ft at 3:00PM Mar 21, 2019Observed: 909.22 ft at 3:15PM Mar 21, 2019USGS--Water Resources of the United StatesSMCT2(plotting HPIRG) Graph Created (4:33PM Mar 21, 2019)ObservedLatest observed value: 909.22 ft at 3:15 PM CDT 21-Mar-2019. Flood Stage is 943 ft
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Tabular Data (CDT)
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Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 12 hours into the future from the forecast issuance time.

NOTE: Forecasts are not available for the Guadalupe River at Canyon Lake. Only observed stages are available for this point.

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Upstream Gauge - near Spring Branch Upstream Gauge Downstream Gauge Downstream Gauge - at Sattler
Flood Categories (in feet)
Major Flood Stage: 945
Moderate Flood Stage: 945
Flood Stage: 943
Action Stage: 0
Low Stage (in feet): -9999

Historic Crests
(1) 950.02 ft on 07/06/2002
(2) 942.68 ft on 06/19/1987
(3) 937.57 ft on 06/27/1997
(4) 937.31 ft on 03/09/1992
(5) 930.76 ft on 12/28/1991
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 950.02 ft on 07/06/2002
(2) 937.57 ft on 06/27/1997
(3) 937.31 ft on 03/09/1992
(4) 930.76 ft on 12/28/1991
(5) 942.68 ft on 06/19/1987
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 892.69 ft on 09/09/2009
(2) 894.24 ft on 07/30/2009
(3) 896.84 ft on 09/28/2013
(4) 899.70 ft on 12/13/1984

For more information on your flood risk go to www.floodsmart.gov.

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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
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943 Flow goes uncontrolled across the emergency spillway. Lakeside recreation facilities flood. Parks, docks, marinas, restaurants, and lakeside roads are severely flooded and damaged.
930 All marinas, docks, parks, and roads to facilities around the lake are under water.
913 Canyon Lake is four feet into the flood pool, potentially damaging boats and flooding docks if ties are not loosened.
About This Location Collapse

Latitude: 29.868611° N, Longitude: 98.198611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 943 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 0 ft 945 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
Corp of Engineers Canyon Lake Information Page
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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 Rd.
New Braunfels, TX 78130
(830) 629-0130
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Page last modified: 4-Mar-2019 11:29 PM
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