Souhegan River At Merrimack

Back to River Summary

Hydrograph

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

Latest Observation: Friday September 18th, 2026 12:30 AM EDT
River Status: Normal

  Height Flow
Currently 2.42 ft 0.0578 kcfs
Record 16.2 ft 16900 cfs

Forecast
  Date (EDT) Stage (ft) Flow (kcfs)
  Thursday 09/17/2026 02:00 PM 2.40 0.06
  Thursday 09/17/2026 08:00 PM 2.40 0.06
  Friday 09/18/2026 02:00 AM 2.40 0.06
  Friday 09/18/2026 08:00 AM 2.40 0.06
  Friday 09/18/2026 02:00 PM 2.60 0.09
  Friday 09/18/2026 08:00 PM 2.60 0.09
  Saturday 09/19/2026 02:00 AM 2.60 0.09

Observation
  Date (EDT) Stage (ft) Flow (kcfs)
Friday 09/18/2026 12:30 AM 2.42 0.06
Friday 09/18/2026 12:15 AM 2.42 0.06
Friday 09/18/2026 12:00 AM 2.42 0.06
Thursday 09/17/2026 11:45 PM 2.42 0.06
Thursday 09/17/2026 11:30 PM 2.42 0.06
Thursday 09/17/2026 11:15 PM 2.42 0.06
Thursday 09/17/2026 11:01 PM 2.42 0.06
Thursday 09/17/2026 11:00 PM 2.42 0.06
Thursday 09/17/2026 10:45 PM 2.42 0.06
Thursday 09/17/2026 10:30 PM 2.42 0.06
Thursday 09/17/2026 10:15 PM 2.42 0.06
Thursday 09/17/2026 10:00 PM 2.42 0.06
Thursday 09/17/2026 09:45 PM 2.42 0.06
Thursday 09/17/2026 09:30 PM 2.42 0.06
Thursday 09/17/2026 09:15 PM 2.42 0.06
Thursday 09/17/2026 09:00 PM 2.42 0.06
Thursday 09/17/2026 08:45 PM 2.42 0.06
Thursday 09/17/2026 08:30 PM 2.42 0.06
Thursday 09/17/2026 08:15 PM 2.42 0.06
Thursday 09/17/2026 08:00 PM 2.41 0.06
Thursday 09/17/2026 07:45 PM 2.41 0.06
Thursday 09/17/2026 07:30 PM 2.41 0.06
Thursday 09/17/2026 07:15 PM 2.41 0.06
Thursday 09/17/2026 07:00 PM 2.41 0.06
Thursday 09/17/2026 06:45 PM 2.41 0.06
Thursday 09/17/2026 06:30 PM 2.41 0.06
Thursday 09/17/2026 06:15 PM 2.41 0.06
Thursday 09/17/2026 06:00 PM 2.40 0.06
Thursday 09/17/2026 05:45 PM 2.41 0.06
Thursday 09/17/2026 05:30 PM 2.40 0.06

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