Tennessee River At Chattanooga

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Hydrograph

Stage Color Key
649 ft - Near Flood 651.1 ft - Minor Flood 653 ft - Moderate Flood 655 ft - Major Flood

Latest Observation: Tuesday August 11th, 2026 03:00 AM CDT
River Status: Normal

  Height Flow
Currently 634.12 ft 40.6 kcfs
Record 678.9 ft 459000 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Tuesday 08/11/2026 06:00 AM 634.14 40.70
  Tuesday 08/11/2026 12:00 PM 634.35 41.70
  Tuesday 08/11/2026 06:00 PM 634.66 43.20
  Wednesday 08/12/2026 12:00 AM 634.88 44.30
  Wednesday 08/12/2026 06:00 AM 634.67 43.20
  Wednesday 08/12/2026 12:00 PM 634.48 42.30

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 08/10/2026 08:00 AM 633.28 36.50
Monday 08/10/2026 09:00 AM 633.39 37.00
Monday 08/10/2026 10:00 AM 633.47 37.40
Monday 08/10/2026 11:00 AM 633.51 37.60
Monday 08/10/2026 12:00 PM 633.58 37.90
Monday 08/10/2026 01:00 PM 633.71 38.60
Monday 08/10/2026 02:00 PM 633.79 38.90
Monday 08/10/2026 03:00 PM 633.89 39.40
Monday 08/10/2026 04:00 PM 634.00 40.00
Monday 08/10/2026 05:00 PM 634.12 40.60
Monday 08/10/2026 06:00 PM 634.26 41.20
Monday 08/10/2026 07:00 PM 634.41 42.00
Monday 08/10/2026 08:00 PM 634.54 42.60
Monday 08/10/2026 09:00 PM 634.65 43.10
Monday 08/10/2026 10:00 PM 634.76 43.70
Monday 08/10/2026 11:00 PM 634.73 43.50
Tuesday 08/11/2026 12:00 AM 634.76 43.70
Tuesday 08/11/2026 01:00 AM 634.71 43.40
Tuesday 08/11/2026 02:00 AM 634.33 41.60
Tuesday 08/11/2026 03:00 AM 634.12 40.60

Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather with mods by Saratoga-weather.org