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 October 23rd, 2026 05:30 PM EDT
River Status: Normal

  Height Flow
Currently 2.72 ft 0.103 kcfs
Record 16.2 ft 16900 cfs

Forecast
  Date (EDT) Stage (ft) Flow (kcfs)
  Friday 10/23/2026 02:00 PM 2.70 0.10
  Friday 10/23/2026 08:00 PM 2.70 0.10
  Saturday 10/24/2026 02:00 AM 2.70 0.10
  Saturday 10/24/2026 08:00 AM 2.70 0.10
  Saturday 10/24/2026 02:00 PM 2.70 0.10
  Saturday 10/24/2026 08:00 PM 2.70 0.10
  Sunday 10/25/2026 02:00 AM 2.60 0.08

Observation
  Date (EDT) Stage (ft) Flow (kcfs)
Friday 10/23/2026 05:30 PM 2.72 0.10
Friday 10/23/2026 05:15 PM 2.72 0.10
Friday 10/23/2026 05:00 PM 2.72 0.10
Friday 10/23/2026 04:45 PM 2.72 0.10
Friday 10/23/2026 04:30 PM 2.72 0.10
Friday 10/23/2026 04:15 PM 2.72 0.10
Friday 10/23/2026 04:00 PM 2.72 0.10
Friday 10/23/2026 03:45 PM 2.72 0.10
Friday 10/23/2026 03:30 PM 2.72 0.10
Friday 10/23/2026 03:15 PM 2.72 0.10
Friday 10/23/2026 03:00 PM 2.72 0.10
Friday 10/23/2026 02:47 PM 2.72 0.10
Friday 10/23/2026 02:45 PM 2.72 0.10
Friday 10/23/2026 02:30 PM 2.72 0.10
Friday 10/23/2026 02:15 PM 2.72 0.10
Friday 10/23/2026 02:00 PM 2.72 0.10
Friday 10/23/2026 01:45 PM 2.72 0.10
Friday 10/23/2026 01:30 PM 2.72 0.10
Friday 10/23/2026 01:15 PM 2.72 0.10
Friday 10/23/2026 01:00 PM 2.72 0.10
Friday 10/23/2026 12:45 PM 2.72 0.10
Friday 10/23/2026 12:30 PM 2.72 0.10
Friday 10/23/2026 12:15 PM 2.72 0.10
Friday 10/23/2026 12:00 PM 2.72 0.10
Friday 10/23/2026 11:45 AM 2.72 0.10
Friday 10/23/2026 11:30 AM 2.72 0.10
Friday 10/23/2026 11:15 AM 2.72 0.10
Friday 10/23/2026 11:00 AM 2.72 0.10
Friday 10/23/2026 10:45 AM 2.72 0.10
Friday 10/23/2026 10:30 AM 2.72 0.10

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