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Local Info
Critical Stages
8' - Action9' - Flood11' - Moderate Flood13' - Major Flood
Souhegan River - Gauge SOHN3
Merrimack, NH
Lat: 42.85N, Lon: 71.50W
 
Latest Observation
 Updated: 5:30 PM EDT 10/9/25
Stage:2.1 ft
Flow:0.022 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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