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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: Tuesday April 14th, 2026 12:30 AM EDT
River Status: Normal

	Height	Flow
Currently	4.38 ft	4.61 kcfs
Record	26.2 ft	N/A

Observation
	Date (EDT)	Stage (ft)	Flow (kcfs)
	Tuesday 04/14/2026 12:30 AM	4.38	4.61
	Tuesday 04/14/2026 12:15 AM	4.38	4.61
	Tuesday 04/14/2026 12:00 AM	4.38	4.61
	Monday 04/13/2026 11:45 PM	4.37	4.59
	Monday 04/13/2026 11:30 PM	4.38	4.61
	Monday 04/13/2026 11:15 PM	4.35	4.54
	Monday 04/13/2026 11:00 PM	4.38	4.61
	Monday 04/13/2026 10:45 PM	4.38	4.61
	Monday 04/13/2026 10:30 PM	4.39	4.63
	Monday 04/13/2026 10:15 PM	4.39	4.63
	Monday 04/13/2026 10:00 PM	4.39	4.63
	Monday 04/13/2026 09:45 PM	4.39	4.63
	Monday 04/13/2026 09:30 PM	4.39	4.63
	Monday 04/13/2026 09:15 PM	4.40	4.65
	Monday 04/13/2026 09:00 PM	4.40	4.65
	Monday 04/13/2026 08:45 PM	4.40	4.65
	Monday 04/13/2026 08:30 PM	4.41	4.67
	Monday 04/13/2026 08:15 PM	4.41	4.67
	Monday 04/13/2026 08:00 PM	4.41	4.67
	Monday 04/13/2026 07:45 PM	4.41	4.67
	Monday 04/13/2026 07:30 PM	4.42	4.69
	Monday 04/13/2026 07:15 PM	4.43	4.72
	Monday 04/13/2026 07:00 PM	4.41	4.67
	Monday 04/13/2026 06:45 PM	4.39	4.63
	Monday 04/13/2026 06:30 PM	4.38	4.61
	Monday 04/13/2026 06:15 PM	4.36	4.56
	Monday 04/13/2026 06:00 PM	4.37	4.59
	Monday 04/13/2026 05:45 PM	4.36	4.56
	Monday 04/13/2026 05:30 PM	4.37	4.59
	Monday 04/13/2026 05:15 PM	4.44	4.74

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