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: Thursday January 29th, 2026 09:30 PM EST
River Status: Normal

  Height Flow
Currently 2.9 ft 0.146 kcfs
Record 16.2 ft 16900 cfs

Forecast
  Date (EST) Stage (ft) Flow (kcfs)
  Thursday 01/29/2026 01:00 PM 2.70 0.10
  Thursday 01/29/2026 07:00 PM 2.70 0.10
  Friday 01/30/2026 01:00 AM 2.70 0.10
  Friday 01/30/2026 07:00 AM 2.70 0.10
  Friday 01/30/2026 01:00 PM 2.70 0.10
  Friday 01/30/2026 07:00 PM 2.70 0.10
  Saturday 01/31/2026 01:00 AM 2.70 0.10

Observation
  Date (EST) Stage (ft) Flow (kcfs)
Thursday 01/29/2026 10:30 PM 2.90 0.15
Thursday 01/29/2026 10:15 PM 2.90 0.15
Thursday 01/29/2026 10:00 PM 2.90 0.15
Thursday 01/29/2026 09:45 PM 2.90 0.15
Thursday 01/29/2026 09:30 PM 2.90 0.15
Thursday 01/29/2026 09:15 PM 2.90 0.15
Thursday 01/29/2026 09:00 PM 2.90 0.15
Thursday 01/29/2026 08:45 PM 2.90 0.15
Thursday 01/29/2026 08:30 PM 2.90 0.15
Thursday 01/29/2026 08:15 PM 2.90 0.15
Thursday 01/29/2026 08:00 PM 2.90 0.15
Thursday 01/29/2026 07:45 PM 2.90 0.15
Thursday 01/29/2026 07:30 PM 2.90 0.15
Thursday 01/29/2026 07:15 PM 2.90 0.15
Thursday 01/29/2026 07:00 PM 2.90 0.15
Thursday 01/29/2026 06:45 PM 2.90 0.15
Thursday 01/29/2026 06:30 PM 2.90 0.15
Thursday 01/29/2026 06:15 PM 2.90 0.15
Thursday 01/29/2026 06:00 PM 2.90 0.15
Thursday 01/29/2026 05:45 PM 2.90 0.15
Thursday 01/29/2026 05:30 PM 2.90 0.15
Thursday 01/29/2026 05:15 PM 2.90 0.15
Thursday 01/29/2026 05:00 PM 2.90 0.15
Thursday 01/29/2026 04:46 PM 2.90 0.15
Thursday 01/29/2026 04:45 PM 2.90 0.15
Thursday 01/29/2026 04:30 PM 2.90 0.15
Thursday 01/29/2026 04:15 PM 2.90 0.15
Thursday 01/29/2026 04:00 PM 2.90 0.15
Thursday 01/29/2026 03:45 PM 2.90 0.15
Thursday 01/29/2026 03:30 PM 2.90 0.15

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