Souhegan River At Merrimack

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Hydrograph

Stage Color Key
8 ft - Near Flood 9 ft - Minor Flood 11 ft - Moderate Flood 13 ft - Major Flood

Latest Observation: Monday February 2nd, 2026 02:30 PM EST
River Status: Normal

  Height Flow
Currently 2.96 ft 0.161 kcfs
Record 16.2 ft 16900 cfs

Forecast
  Date (EST) Stage (ft) Flow (kcfs)
  Monday 02/02/2026 01:00 PM 2.70 0.10
  Monday 02/02/2026 07:00 PM 2.70 0.10
  Tuesday 02/03/2026 01:00 AM 2.70 0.10
  Tuesday 02/03/2026 07:00 AM 2.60 0.08
  Tuesday 02/03/2026 01:00 PM 2.60 0.08
  Tuesday 02/03/2026 07:00 PM 2.60 0.08
  Wednesday 02/04/2026 01:00 AM 2.60 0.08

Observation
  Date (EST) Stage (ft) Flow (kcfs)
Monday 02/02/2026 02:30 PM 2.96 0.16
Monday 02/02/2026 02:15 PM 2.96 0.16
Monday 02/02/2026 02:00 PM 2.96 0.16
Monday 02/02/2026 01:45 PM 2.96 0.16
Monday 02/02/2026 01:30 PM 2.96 0.16
Monday 02/02/2026 01:15 PM 2.97 0.16
Monday 02/02/2026 01:00 PM 2.96 0.16
Monday 02/02/2026 12:45 PM 2.97 0.16
Monday 02/02/2026 12:30 PM 2.96 0.16
Monday 02/02/2026 12:15 PM 2.96 0.16
Monday 02/02/2026 12:00 PM 2.96 0.16
Monday 02/02/2026 11:45 AM 2.96 0.16
Monday 02/02/2026 11:30 AM 2.97 0.16
Monday 02/02/2026 11:16 AM 2.97 0.16
Monday 02/02/2026 11:15 AM 2.97 0.16
Monday 02/02/2026 11:00 AM 2.96 0.16
Monday 02/02/2026 10:45 AM 2.96 0.16
Monday 02/02/2026 10:30 AM 2.96 0.16
Monday 02/02/2026 10:15 AM 2.97 0.16
Monday 02/02/2026 10:00 AM 2.96 0.16
Monday 02/02/2026 09:45 AM 2.96 0.16
Monday 02/02/2026 09:30 AM 2.96 0.16
Monday 02/02/2026 09:15 AM 2.96 0.16
Monday 02/02/2026 09:00 AM 2.96 0.16
Monday 02/02/2026 08:45 AM 2.96 0.16
Monday 02/02/2026 08:30 AM 2.96 0.16
Monday 02/02/2026 08:15 AM 2.96 0.16
Monday 02/02/2026 08:00 AM 2.96 0.16
Monday 02/02/2026 07:45 AM 2.96 0.16
Monday 02/02/2026 07:30 AM 2.96 0.16

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