Rivers in New Jersey

Manasquan River at Squankum

Monmouth County, New JerseyNWS SAMN4USGS 01408000Mount Holly office

Below flood stage
4.52ftStage

Observed Sat, Sep 26, 4:30 PM EDT

Flood stage
8.50 ft
Record crest
13.06 ft2011

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood11.00 ft
Moderate flood10.00 ft
Minor flood8.50 ft
Action7.00 ft
  1. 11.00 ftFlooding expands on Hospital and Lakewood-Allenwood Roads. The roads are closed.
  2. 10.00 ftHospital Road and Lakewood-Allenwood Road are subject to partial or full lane closures.
  3. 8.50 ftWalking and riding trails as well as parking lots are flooded in Allaire State Park.
  4. 7.00 ftThe river overflows out of its banks and floods open land in Allaire State Park.

Crest history

16 crests on NOAA’s list since 1938.

#DateStage
1August 28, 201113.06 ft
2September 21, 193812.45 ft
3November 8, 197710.37 ft
4October 27, 194310.15 ft
5September 13, 196010.13 ft
6May 28, 20189.62 ft
7November 25, 20189.59 ft
8October 14, 20059.58 ft
9December 18, 20239.51 ft
10March 29, 19849.28 ft
11January 10, 20248.77 ft
12March 30, 20018.27 ft
13September 29, 20047.77 ft
14March 30, 20147.70 ft
15January 4, 19997.38 ft
16September 17, 19997.05 ft

Most recent crests

  • January 10, 2024: 8.77 ft
  • December 18, 2023: 9.51 ft
  • November 25, 2018: 9.59 ft
  • May 28, 2018: 9.62 ft
  • March 30, 2014: 7.70 ft
  • August 28, 2011: 13.06 ft
  • October 14, 2005: 9.58 ft
  • September 29, 2004: 7.77 ft
  • March 30, 2001: 8.27 ft
  • September 17, 1999: 7.05 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Middle Atlantic River Forecast Center. Forecasts are not available. Only observed stages are available for this point.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.