Thunder Bay River Near Bolton

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Hydrograph

Latest Observation: Friday November 13th, 2026 05:30 PM EST
River Status: Not Defined

  Height Flow
Currently 12.27 ft 0.536 kcfs
Record 19.63 ft 5360 cfs

Observation
  Date (EST) Stage (ft) Flow (kcfs)
Friday 11/13/2026 12:30 PM 12.25 0.53
Friday 11/13/2026 12:45 PM 12.25 0.53
Friday 11/13/2026 01:00 PM 12.26 0.53
Friday 11/13/2026 01:15 PM 12.25 0.53
Friday 11/13/2026 01:30 PM 12.25 0.53
Friday 11/13/2026 01:45 PM 12.26 0.53
Friday 11/13/2026 02:00 PM 12.26 0.53
Friday 11/13/2026 02:15 PM 12.25 0.53
Friday 11/13/2026 02:30 PM 12.25 0.53
Friday 11/13/2026 02:45 PM 12.25 0.53
Friday 11/13/2026 03:00 PM 12.25 0.53
Friday 11/13/2026 03:15 PM 12.27 0.54
Friday 11/13/2026 03:30 PM 12.26 0.53
Friday 11/13/2026 03:45 PM 12.26 0.53
Friday 11/13/2026 04:00 PM 12.26 0.53
Friday 11/13/2026 04:15 PM 12.26 0.53
Friday 11/13/2026 04:30 PM 12.26 0.53
Friday 11/13/2026 04:45 PM 12.27 0.54
Friday 11/13/2026 05:00 PM 12.27 0.54
Friday 11/13/2026 05:15 PM 12.27 0.54

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