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Local Info
Critical Stages
8' - Action10' - Flood12' - Moderate Flood15' - Major Flood
North Branch Raritan River - Gauge RRTN4
Raritan, NJ
Lat: 40.57N, Lon: 74.68W
 
Latest Observation
Updated: 3:00 PM EDT 10/8/25
Stage:3.05 ft
Flow:0.268 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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