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Merrimack River At Concord

Back to River Summary

Hydrograph

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

Latest Observation: Monday May 4th, 2026 10:30 AM EDT
River Status: Normal

	Height	Flow
Currently	3.3 ft	2.42 kcfs
Record	26.2 ft	N/A

Observation
	Date (EDT)	Stage (ft)	Flow (kcfs)
	Monday 05/04/2026 10:30 AM	3.30	2.42
	Monday 05/04/2026 10:15 AM	3.29	2.40
	Monday 05/04/2026 10:00 AM	3.31	2.43
	Monday 05/04/2026 09:45 AM	3.29	2.40
	Monday 05/04/2026 09:30 AM	3.29	2.40
	Monday 05/04/2026 09:15 AM	3.29	2.40
	Monday 05/04/2026 09:00 AM	3.29	2.40
	Monday 05/04/2026 08:45 AM	3.31	2.43
	Monday 05/04/2026 08:30 AM	3.34	2.48
	Monday 05/04/2026 08:15 AM	3.33	2.46
	Monday 05/04/2026 08:00 AM	3.33	2.46
	Monday 05/04/2026 07:45 AM	3.37	2.52
	Monday 05/04/2026 07:30 AM	3.37	2.52
	Monday 05/04/2026 07:15 AM	3.36	2.51
	Monday 05/04/2026 07:00 AM	3.36	2.51
	Monday 05/04/2026 06:45 AM	3.36	2.51
	Monday 05/04/2026 06:30 AM	3.36	2.51
	Monday 05/04/2026 06:15 AM	3.36	2.51
	Monday 05/04/2026 06:00 AM	3.35	2.49
	Monday 05/04/2026 05:45 AM	3.35	2.49
	Monday 05/04/2026 05:30 AM	3.35	2.49
	Monday 05/04/2026 05:15 AM	3.35	2.49
	Monday 05/04/2026 05:00 AM	3.34	2.48
	Monday 05/04/2026 04:45 AM	3.34	2.48
	Monday 05/04/2026 04:30 AM	3.34	2.48
	Monday 05/04/2026 04:15 AM	3.33	2.46
	Monday 05/04/2026 04:00 AM	3.33	2.46
	Monday 05/04/2026 03:45 AM	3.33	2.46
	Monday 05/04/2026 03:30 AM	3.33	2.46
	Monday 05/04/2026 03:15 AM	3.32	2.45

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