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: Wednesday March 11th, 2026 10:30 AM EDT
River Status: Normal

  Height Flow
Currently 5.82 ft 7.72 kcfs
Record 26.2 ft N/A

Observation
  Date (EDT) Stage (ft) Flow (kcfs)
Wednesday 03/11/2026 10:30 AM 5.82 7.72
Wednesday 03/11/2026 10:15 AM 5.82 7.72
Wednesday 03/11/2026 10:00 AM 5.82 7.72
Wednesday 03/11/2026 09:45 AM 5.83 7.74
Wednesday 03/11/2026 09:30 AM 5.81 7.69
Wednesday 03/11/2026 09:15 AM 5.80 7.67
Wednesday 03/11/2026 09:00 AM 5.78 7.63
Wednesday 03/11/2026 08:45 AM 5.76 7.59
Wednesday 03/11/2026 08:30 AM 5.75 7.56
Wednesday 03/11/2026 08:15 AM 5.73 7.52
Wednesday 03/11/2026 08:00 AM 5.72 7.50
Wednesday 03/11/2026 07:45 AM 5.70 7.46
Wednesday 03/11/2026 07:30 AM 5.67 7.39
Wednesday 03/11/2026 07:15 AM 5.66 7.37
Wednesday 03/11/2026 07:00 AM 5.64 7.33
Wednesday 03/11/2026 06:45 AM 5.62 7.28
Wednesday 03/11/2026 06:30 AM 5.61 7.26
Wednesday 03/11/2026 06:15 AM 5.58 7.20
Wednesday 03/11/2026 06:00 AM 5.57 7.18
Wednesday 03/11/2026 05:45 AM 5.54 7.12
Wednesday 03/11/2026 05:30 AM 5.53 7.09
Wednesday 03/11/2026 05:15 AM 5.51 7.05
Wednesday 03/11/2026 05:00 AM 5.49 7.01
Wednesday 03/11/2026 04:45 AM 5.49 7.01
Wednesday 03/11/2026 04:30 AM 5.48 6.99
Wednesday 03/11/2026 04:15 AM 5.47 6.96
Wednesday 03/11/2026 04:00 AM 5.45 6.92
Wednesday 03/11/2026 03:45 AM 5.44 6.90
Wednesday 03/11/2026 03:30 AM 5.43 6.88
Wednesday 03/11/2026 03:15 AM 5.42 6.85

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