Millstone River at Weston NJ water level

Name: Millstone River at Weston NJ water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Millstone River, New Jersey, United States

Directions

Below flood stage

Water level

2.10ft Steady over the last 24 hours

Measured Oct 18, 2026, 07:45 AM EDT (51 min ago)

History

7 days

Water level Minor flood stage

What this means

The Millstone River at Weston NJ is at 2.10 ft, in the normal range.

It is 9.40 ft below the flood stage of 11.50 ft.

It has barely moved over the past 24 hours. In the last month it has stayed between 2.09 ft and 2.19 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 23.75 ftSeptember 2, 2021

Floating and fishing near Millstone River at Weston NJ

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 11.50 ft, 9.40 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

13.00 ft: The D and R Canal is flooded by the Millstone River.
11.50 ft: River Road between Yorktown and Amsterdam is subject to closure. Canal Road near Suydam Road floods.
10.00 ft: Causeways are closed due to flooding.
2.10 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Rank	Level	Date
1	23.75 ft	September 2, 2021
2	23.21 ft	September 17, 1999
3	22.90 ft	August 28, 2011
4	20.20 ft	April 16, 2007
5	19.60 ft	August 28, 1971
6	17.94 ft	October 20, 1996
7	17.85 ft	March 14, 2010
8	16.72 ft	May 1, 2014
9	16.30 ft	September 22, 1938
10	15.98 ft	December 19, 2023

Weather at the gauge

The forecast is not available right now.

Sunrise 07:13 AM Sunset 06:15 PM Daylight 11 hr, 2 min First quarter 49%

Map

Other gauges on the Millstone River

Gauge	Level	Compared with normal	24 hours	Distance
Millstone River at Griggstown NJRiver gauge, Millstone River	4.01 ft	Below flood stage	−0.08 ft	6 mi
Millstone River at Blackwells Mills NJRiver gauge, Millstone River	2.12 ft	Below flood stage	−0.04 ft	3.8 mi
Millstone River at Millstone NJRiver gauge, Millstone River	1.47 ft	Below flood stage	−0.06 ft	1.9 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Raritan River at Manville NJRiver gauge, Raritan River	4.43 ft	Below flood stage	−0.02 ft	1.8 mi
Royce Brook at Hamilton Road near Manville NJRiver gauge, Royce Brook	8.2 cfs	Normal	−1.7 cfs	2.4 mi
Raritan River below Calco Dam at Bound Brook NJRiver gauge, Raritan River	17.57 ft	Below flood stage	+0.02 ft	2.6 mi
Middle Brook at Bound Brook NJRiver gauge, Middle Brook	4.14 ft	Below flood stage	−0.03 ft	3.0 mi
Pike Run at Belle Mead NJRiver gauge, Pike Run	1.9 cfs	Normal	−0.6 cfs	5.3 mi
North Branch Raritan River at South Branch NJRiver gauge, North Branch Raritan River	1.69 ft	Below flood stage	−0.09 ft	5.5 mi
North Branch Raritan River near Raritan NJRiver gauge, North Branch Raritan River	2.89 ft	Below flood stage	−0.13 ft	5.5 mi
Bound Brook at Middlesex NJRiver gauge, Bound Brook	1.71 ft	Below flood stage	−0.03 ft	5.7 mi

Questions and answers

What is flood stage for the Millstone River at Weston NJ?

The official flood stage is 11.50 ft. The level is currently 9.40 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Millstone River at Weston NJ today?

On Oct 18, 2026, 07:45 AM EDT, the water level was 2.10 ft. Steady over the last 24 hours.

Is Millstone River at Weston NJ rising or falling?

Steady over the last 24 hours.

Is the level of Millstone River at Weston NJ normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Millstone River at Weston NJ?

The highest level on record is 23.75 ft on September 2, 2021.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01402540 (Agency page)
Coordinates: 40.52972, -74.58833 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	2.10 ft	2026-10-18 11:45	Provisional

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How to cite

U.S. Geological Survey: Millstone River at Weston NJ (usgs:01402540). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-jersey/millstone-river-at-weston-nj

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer