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: Monday December 8th, 2025 03:30 AM EST
River Status: Normal

  Height Flow
Currently 2.6 ft 0.08 kcfs
Record 16.2 ft 16900 cfs

Forecast
  Date (EST) Stage (ft) Flow (kcfs)
  Sunday 12/07/2025 01:00 PM 2.50 0.06
  Sunday 12/07/2025 07:00 PM 2.50 0.06
  Monday 12/08/2025 01:00 AM 2.50 0.06
  Monday 12/08/2025 07:00 AM 2.50 0.06
  Monday 12/08/2025 01:00 PM 2.50 0.06
  Monday 12/08/2025 07:00 PM 2.50 0.06
  Tuesday 12/09/2025 01:00 AM 2.50 0.06

Observation
  Date (EST) Stage (ft) Flow (kcfs)
Monday 12/08/2025 03:30 AM 2.60 0.08
Monday 12/08/2025 03:15 AM 2.60 0.08
Monday 12/08/2025 03:00 AM 2.60 0.08
Monday 12/08/2025 02:45 AM 2.60 0.08
Monday 12/08/2025 02:30 AM 2.60 0.08
Monday 12/08/2025 02:15 AM 2.60 0.08
Monday 12/08/2025 02:00 AM 2.60 0.08
Monday 12/08/2025 01:45 AM 2.60 0.08
Monday 12/08/2025 01:15 AM 2.60 0.08
Monday 12/08/2025 01:01 AM 2.60 0.08
Monday 12/08/2025 01:00 AM 2.60 0.08
Monday 12/08/2025 12:45 AM 2.60 0.08
Monday 12/08/2025 12:30 AM 2.59 0.08
Monday 12/08/2025 12:15 AM 2.59 0.08
Monday 12/08/2025 12:00 AM 2.59 0.08
Sunday 12/07/2025 11:45 PM 2.59 0.08
Sunday 12/07/2025 11:30 PM 2.59 0.08
Sunday 12/07/2025 11:15 PM 2.59 0.08
Sunday 12/07/2025 11:00 PM 2.59 0.08
Sunday 12/07/2025 10:45 PM 2.59 0.08
Sunday 12/07/2025 10:30 PM 2.59 0.08
Sunday 12/07/2025 10:15 PM 2.59 0.08
Sunday 12/07/2025 10:00 PM 2.59 0.08
Sunday 12/07/2025 09:45 PM 2.59 0.08
Sunday 12/07/2025 09:30 PM 2.59 0.08
Sunday 12/07/2025 09:15 PM 2.59 0.08
Sunday 12/07/2025 09:00 PM 2.59 0.08
Sunday 12/07/2025 08:45 PM 2.59 0.08
Sunday 12/07/2025 08:30 PM 2.59 0.08
Sunday 12/07/2025 08:15 PM 2.59 0.08

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