Rahway River at Rahway NJ

Union County, New Jersey · USGS gauge 01395000 · NWS RWYN4 · Rahway River flood status · New Jersey river levels

Nearby: river levels near Rahway

Is Rahway River at Rahway NJ flooding right now?

Rahway River at Rahway NJ measured 1.48 ft on 2026-09-11 01:30:00 UTC. That observation was 4.5 ft below its 6 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
1.48 ft
as of 40 min ago
Streamflow
17 cfs
data refreshed 8 min ago

Minor flooding here begins at 6 ft, with major flooding at 9.5 ft. The highest crest on record was 9.6 ft on Fri, Sep 17, 1999.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action5.5 ft4.0 ft below
Minor flood6 ft4.5 ft below
Moderate flood8 ft6.5 ft below
Major flood9.5 ft8.0 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
9.6 ft1999-09-17
8.91 ft2007-04-16
8.12 ft2010-03-14
7.88 ft1973-08-02
7.62 ft1975-07-15

Last 7 days

Past 7 days · 1.47–1.70 ft

Nearby gauges

GaugeDistanceCounty
Robinsons Branch at Maple Ave at Rahway NJ1.0 miUnion County
Robinsons Branch at Rahway NJ1.2 miUnion County
Rahway River at Kenilworth NJ4.0 miUnion County
Rahway River near Springfield NJ5.0 miUnion County
Elizabeth River at Ursino Lake at Elizabeth NJ5.0 miUnion County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast