Manasquan River near Allenwood NJ

Monmouth County, New Jersey · USGS gauge 01408029 · NWS ALLN4 · Manasquan River flood status · New Jersey river levels

Nearby: river levels near Lakewood

Is Manasquan River near Allenwood NJ flooding right now?

Manasquan River near Allenwood NJ measured 7.24 ft on 2026-09-11 01:15:00 UTC. That observation was 7.3 ft below its 14.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
7.24 ft
as of 56 min ago
Streamflow
10 cfs
data refreshed 10 min ago

Minor flooding here begins at 14.5 ft, with major flooding at 18 ft. The highest crest on record was 20.38 ft on Sun, Aug 28, 2011.

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
Action13 ft5.8 ft below
Minor flood14.5 ft7.3 ft below
Moderate flood17 ft9.8 ft below
Major flood18 ft10.8 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
20.38 ft2011-08-28
16.97 ft2005-10-14
16.57 ft2014-05-01
16.56 ft2018-05-28
16.43 ft2012-12-27

Last 7 days

Past 7 days · 7.21–7.81 ft

Nearby gauges

GaugeDistanceCounty
Manasquan River at Squankum NJ2.0 miMonmouth County
North Branch Metedeconk River near Lakewood NJ4.1 miOcean County
Shark River near Neptune City NJ4.5 miMonmouth County
Jumping Brook near Neptune City NJ4.9 miMonmouth County
SB Metedeconk River at New Hampshire Av near Lakewood NJ5.3 miOcean 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