Merrimack River At Concord

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Hydrograph

Stage Color Key
12 ft - Near Flood 14 ft - Minor Flood 17 ft - Moderate Flood 20 ft - Major Flood

Latest Observation: Monday November 2nd, 2026 04:30 AM EST
River Status: Normal

  Height Flow
Currently 3.17 ft 2.21 kcfs
Record 26.2 ft N/A

Observation
  Date (EST) Stage (ft) Flow (kcfs)
Monday 11/02/2026 04:30 AM 3.17 2.21
Monday 11/02/2026 04:15 AM 3.17 2.21
Monday 11/02/2026 04:00 AM 3.18 2.23
Monday 11/02/2026 03:45 AM 3.18 2.23
Monday 11/02/2026 03:30 AM 3.18 2.23
Monday 11/02/2026 03:15 AM 3.18 2.23
Monday 11/02/2026 03:00 AM 3.19 2.24
Monday 11/02/2026 02:45 AM 3.19 2.24
Monday 11/02/2026 02:30 AM 3.19 2.24
Monday 11/02/2026 02:15 AM 3.19 2.24
Monday 11/02/2026 02:00 AM 3.20 2.26
Monday 11/02/2026 01:45 AM 3.20 2.26
Monday 11/02/2026 01:30 AM 3.20 2.26
Monday 11/02/2026 01:15 AM 3.20 2.26
Monday 11/02/2026 01:00 AM 3.20 2.26
Monday 11/02/2026 12:45 AM 3.21 2.28
Monday 11/02/2026 12:30 AM 3.21 2.28
Monday 11/02/2026 12:15 AM 3.21 2.28
Monday 11/02/2026 12:00 AM 3.22 2.29
Sunday 11/01/2026 11:45 PM 3.22 2.29
Sunday 11/01/2026 11:30 PM 3.22 2.29
Sunday 11/01/2026 11:15 PM 3.22 2.29
Sunday 11/01/2026 11:00 PM 3.23 2.31
Sunday 11/01/2026 10:45 PM 3.23 2.31
Sunday 11/01/2026 10:30 PM 3.23 2.31
Sunday 11/01/2026 10:15 PM 3.23 2.31
Sunday 11/01/2026 10:00 PM 3.24 2.32
Sunday 11/01/2026 09:45 PM 3.24 2.32
Sunday 11/01/2026 09:30 PM 3.24 2.32
Sunday 11/01/2026 09:15 PM 3.24 2.32

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