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: Saturday March 7th, 2026 08:30 AM EST
River Status: Normal

  Height Flow
Currently 3.69 ft 3.05 kcfs
Record 26.2 ft N/A

Observation
  Date (EST) Stage (ft) Flow (kcfs)
Saturday 03/07/2026 08:30 AM 3.69 3.05
Saturday 03/07/2026 08:15 AM 3.69 3.05
Saturday 03/07/2026 08:00 AM 3.69 3.05
Saturday 03/07/2026 07:45 AM 3.68 3.04
Saturday 03/07/2026 07:30 AM 3.68 3.04
Saturday 03/07/2026 07:15 AM 3.68 3.04
Saturday 03/07/2026 07:00 AM 3.68 3.04
Saturday 03/07/2026 06:45 AM 3.67 3.02
Saturday 03/07/2026 06:30 AM 3.67 3.02
Saturday 03/07/2026 06:15 AM 3.67 3.02
Saturday 03/07/2026 06:00 AM 3.67 3.02
Saturday 03/07/2026 05:45 AM 3.67 3.02
Saturday 03/07/2026 05:30 AM 3.66 3.00
Saturday 03/07/2026 05:15 AM 3.65 2.98
Saturday 03/07/2026 05:00 AM 3.65 2.98
Saturday 03/07/2026 04:45 AM 3.65 2.98
Saturday 03/07/2026 04:30 AM 3.64 2.97
Saturday 03/07/2026 04:15 AM 3.64 2.97
Saturday 03/07/2026 04:00 AM 3.64 2.97
Saturday 03/07/2026 03:45 AM 3.63 2.95
Saturday 03/07/2026 03:30 AM 3.64 2.97
Saturday 03/07/2026 03:15 AM 3.63 2.95
Saturday 03/07/2026 03:00 AM 3.63 2.95
Saturday 03/07/2026 02:45 AM 3.63 2.95
Saturday 03/07/2026 02:30 AM 3.63 2.95
Saturday 03/07/2026 02:15 AM 3.63 2.95
Saturday 03/07/2026 02:00 AM 3.63 2.95
Saturday 03/07/2026 01:45 AM 3.63 2.95
Saturday 03/07/2026 01:30 AM 3.63 2.95
Saturday 03/07/2026 01:15 AM 3.64 2.97

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