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Merrimack River near Goffs Falls, below Manchester water level

River gauge, Merrimack River, New Hampshire, United States

Directions

Below flood stage

Water level

3.60ft Down 0.38 ft over the last 24 hours

Flow
1,870 cfs
0 10 20 30 Highest onrecord 35.19 ft Minor floodstage 11.00 ft

History

3.54.04.5ftOct 16Oct 18Oct 19Oct 21Oct 233.54.04.5ftOct 16Oct 19Oct 23
Water level Forecast Minor flood stage

The forecast expects the river to rise to 3.80 ft by Wednesday, October 21 at 02:00 AM. Issued Tuesday, October 20 at 10:49 AM by NOAA National Weather Service.

What this means

Water levels are unremarkable at Merrimack River near Goffs Falls, below Manchester, where the gauge shows 3.60 ft.

It is 7.40 ft below the flood stage of 11.00 ft.

It is still going down, by 0.38 ft over the past 24 hours. The forecast expects the river to rise to 3.80 ft by Wednesday, October 21 at 02:00 AM. The 30-day range is 3.38 ft – 4.84 ft.

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

Key numbers

Highest on record
35.19 ftMarch 20, 1936
Forecast peak
3.80 ftWednesday, October 21 at 02:00 AM

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 11.00 ft.

What happens at each level

20.00 ft
In Manchester, significant flooding occurs on Riverdale Avenue and Stark Way.
17.00 ft
In Manchester, Stark Way and Riverdale Avenue flood.
15.00 ft
Low lying areas of Goffstown...Manchester...Merrimack and Litchfield flood.
11.00 ft
Low lying flooding begins.
3.60 ft
Right now

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

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

RankLevelDate
135.19 ftMarch 20, 1936
225.87 ftSeptember 23, 1938
319.87 ftMay 15, 2006
417.42 ftApril 6, 1960
516.79 ftApril 17, 2007
614.47 ftApril 6, 1987
713.90 ftMarch 28, 1953
813.45 ftApril 12, 1951
913.36 ftJune 1, 1984
1013.30 ftApril 7, 1952

Weather at the gauge

The forecast is not available right now.

Sunrise 07:07 AM Sunset 05:55 PM Daylight 10 hr, 48 min Waxing gibbous 76%

Map

Other gauges on the Merrimack River

Gauge Level Compared with normal 24 hours Distance
Merrimack River at Franklin JunctionRiver gauge, Merrimack River 4.62 ft Below flood stage +0.15 ft 34 mi
Merrimack River at ConcordRiver gauge, Merrimack River 3.63 ft Below flood stage −0.47 ft 18 mi
Merrimack River at NashuaRiver gauge, Merrimack River 4.64 ft Below flood stage −0.04 ft 13 mi
Merrimack River below Concord River at LowellRiver gauge, Merrimack River 42.45 ft Below flood stage −0.17 ft 22 mi
Merrimack River at LawrenceRiver gauge, Merrimack River 9.93 ft Normal −0.52 ft 23 mi
Merrimack River at NewburyportEstuary gauge, Merrimack River 1.76 ft Very high −0.53 ft 31 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Piscataquog River near GoffstownRiver gauge, Piscataquog River 3.71 ft Below flood stage +0.37 ft 6 mi
Souhegan River at MerrimackRiver gauge, Souhegan River 2.78 ft Below flood stage −0.07 ft 7 mi
South Branch Piscataquog River near GoffstownRiver gauge, South Branch Piscataquog River 22.6 cfs Low −3.1 cfs 10 mi
Beaver Brook at North PelhamRiver gauge, Beaver Brook 20.8 cfs Normal −2.0 cfs 13 mi
Piscataquog River below Everett Dam, near E WeareRiver gauge, Piscataquog River 30.9 cfs Low ±0 14 mi
Spicket River at North SalemRiver gauge, Spicket River 82.0 cfs Low ±0 14 mi
Souhegan River (Site Wlr-1) near MilfordRiver gauge, Souhegan River (Site Wlr-1) 3.61 ft Below flood stage −0.10 ft 14 mi
Lamprey River at Langford Road, at RaymondRiver gauge, Lamprey River 10.4 cfs Low −1.7 cfs 15 mi

Questions and answers

What is flood stage for the Merrimack River near Goffs Falls, below Manchester?

The official flood stage is 11.00 ft. The level is currently 7.40 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 Merrimack River near Goffs Falls, below Manchester today?

On Oct 21, 2026, 05:30 AM EDT, the water level was 3.60 ft. Down 0.38 ft over the last 24 hours.

Is Merrimack River near Goffs Falls, below Manchester rising or falling?

Down 0.38 ft over the last 24 hours. Down 0.93 ft over the last 7 days.

Is the level of Merrimack River near Goffs Falls, below Manchester normal?

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

What is the highest water level ever recorded at Merrimack River near Goffs Falls, below Manchester?

The highest level on record is 35.19 ft on March 20, 1936.

Is Merrimack River near Goffs Falls, below Manchester expected to rise?

The forecast expects the river to rise to 3.80 ft by Wednesday, October 21 at 02:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:01092000 (Agency page)
Coordinates
42.94814, -71.46340 (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

ParameterLast valueTime (UTC)Quality
Water level 3.60 ft 2026-10-21 09:30 Provisional
Flow 1,870 cfs 2026-10-21 09:30 Provisional

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How to cite

U.S. Geological Survey: Merrimack River near Goffs Falls, below Manchester (usgs:01092000). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-hampshire/merrimack-river-near-goffs-falls-below-manchester

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