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Connecticut River at Middle Haddam water level

Tidal gauge, Connecticut River, Connecticut, United States

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Right now

Below flood stage

Water level

1.56ft Up 0.15 ft over the last 24 hours

Flow
21,600 cfs
Water temperature
56 °F
5 10 Highest onrecord 11.20 ft Minor floodstage 7.00 ft

History

History
246ftOct 16Oct 17Oct 19Oct 20Oct 22Minor flood stage246ftOct 16Oct 19Oct 22Minor flood stage
Water level Forecast Minor flood stage

The forecast expects the river to rise to 4.20 ft by Wednesday, October 21 at 10:00 PM. Issued Monday, October 19 at 10:40 AM by NOAA National Weather Service.

What this means

The Connecticut River at Middle Haddam is at 1.56 ft, in the normal range.

It is 5.44 ft below the flood stage of 7.00 ft.

It has risen 0.15 ft over the past 24 hours. The forecast expects the river to rise to 4.20 ft by Wednesday, October 21 at 10:00 PM. There is still 5.44 ft of room before flood stage. In the last month it has stayed between 0.82 ft and 3.86 ft.

The water temperature at the gauge is 56 °F.

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

Key numbers

Highest on record
11.20 ftDecember 21, 2023
Forecast peak
4.20 ftWednesday, October 21 at 10:00 PM

What happens at each level

18.00 ft
This is a serious and life threatening flood episode. Follow the direction of your local emergency management officals. If asked to evacuate, do so immediately. All flood protection measures must be rushed to completion in flood prone areas. Widespread inundation is likely from Middletown and Portland downstream through Chester, Old Lyme and Old Saybrook.
16.50 ft
This is a serious and potentially life threatening flood episode. Follow the direction of your local emergency management officals. If asked to evacuate, do so immediately. All flood protection measures must be rushed to completion in flood prone areas.
15.00 ft
Significant flooding will continue to impact low lying homes and businesses along the river from Wethersfield south through Middle Haddam, downstream to the mouth of the river in Old Saybrook. A portion of Route 9 will flood near the Middletown Portland railroad bridge. Follow the directions of your local emergency management officals.
13.00 ft
Major river flooding will impact towns along the Connecticut River from Middletown and Portland downstream through Chester and Essex. Many roads near the river will be flooded. Some localized evacuations may be needed. Follow the directions of your local emergency management official. Know alternate routes for travel should roads in your area become flooded.
11.50 ft
Flooding will likely result in the evacuation of low lying areas along River Road in Cromwell and Meadow Road in Portland. Flooding will occur in the Harbor Park area. Flooding increases in surrounding towns along the river, from Middletown and Portland to the river mouth at Old Saybrook.
10.50 ft
Flooding continues to overspread sections of Portland and Middletown, as well as downstream towns including Chester and Essex. Some immediate river roads will be impassable. In Cromwell this usually impacts portions of River Road. In Rocky Hill, portions of Meadow Road will become impassable.
9.50 ft
Flooding closes most of Meadow Road, Route 17A, in the Gildersleeve section of Portland. Flooding impacts the Middletown Marina and Meadow Farms. In Cromwell, portions of River Road will be closed. In Rocky Hill, parts of Meadow Road will be impassable for a time. Flooding continues along the river southward through Essex.
8.00 ft
Flooding is expected in low lying sections along the Connecticut River from Wethersfield and Glastonbury downstream through Cromwell, Middletown and Portland. Boating interests should prepare for a period of swift river flows.
7.00 ft
Flooding is likely in the vicinity of Meadow Road, Route 17A, in the Gildersleeve section of Portland. A portion of this roadway will likely be closed. This includes the Exchange Club of Portland Fairgrounds. Boating interests should prepare for a period of swift river flows during this period.
1.56 ft
Right now

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

Highest crests on record

RankLevelDate
111.20 ftDecember 21, 2023
210.41 ftJuly 13, 2023
39.98 ftMarch 10, 2024
49.94 ftApril 15, 2024
59.39 ftApril 17, 2014
68.95 ftMay 12, 2025
78.85 ftFebruary 28, 2016
88.48 ftDecember 28, 2020
98.36 ftMarch 20, 2025
108.33 ftMarch 14, 2011

Weather at the gauge

Rain in the last 3 days: 0.03 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 60° 39° 0.02 in, 38% Wind 13 mph
18 Sun 55° 35° – Wind 5 mph
19 Mon 59° 39° – Wind 10 mph
20 Tue 62° 47° – Wind 13 mph
21 Wed 58° 43° – Wind 13 mph
22 Thu 63° 38° – Wind 10 mph
23 Fri 61° 40° – Wind 8 mph

Forecast: Open-Meteo

Sunrise 07:08 AM Sunset 06:03 PM Daylight 10 hr, 55 min First quarter 66%

Map

Other gauges on the Connecticut River

Gauge Level Compared with normal 24 hours Distance
Connecticut River at West LebanonRiver gauge, Connecticut River 4.92 ft Below flood stage −0.33 ft 146 mi
Connecticut River at North WalpoleRiver gauge, Connecticut River 7.10 ft Below flood stage −1.43 ft 110 mi
Connecticut River near NorthfieldRiver gauge, Connecticut River 4,660 cfs Normal −1,930.0 cfs 79 mi
Connecticut River at Montague CityRiver gauge, Connecticut River 6.84 ft Below flood stage −1.77 ft 72 mi
Connecticut River at I-391 Bridge at HolyokeRiver gauge, Connecticut River 5.92 ft Below flood stage +0.26 ft 45 mi
Connecticut River at ThompsonvilleRiver gauge, Connecticut River 8.34 ft Low +0.15 ft 31 mi
Connecticut River at HartfordTidal gauge, Connecticut River 3.22 ft Normal +0.53 ft 17 mi
Connecticut River at EssexEstuary gauge, Connecticut River 1.28 ft Normal −0.13 ft 16 mi
Connecticut River at Old LymeEstuary gauge, Connecticut River 1.25 ft Normal −0.57 ft 19 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Salmon River near East HamptonRiver gauge, Salmon River 2.66 ft Normal −0.05 ft 5.4 mi
Coginchaug River at MiddlefieldRiver gauge, Coginchaug River 5.55 ft Very high −0.09 ft 8 mi
Eightmile River at North PlainRiver gauge, Eightmile River 38.4 cfs Very high −1.7 cfs 13 mi
East Branch Eightmile River near North LymeRiver gauge, East Branch Eightmile River 36.7 cfs High −2.5 cfs 14 mi
Muddy River near East WallingfordRiver gauge, Muddy River 12.9 cfs Normal ±0 14 mi
Quinnipiac River at WallingfordRiver gauge, Quinnipiac River 3.21 ft Normal −0.08 ft 16 mi
Indian River near ClintonRiver gauge, Indian River 4.4 cfs Normal −0.4 cfs 16 mi
Hockanum River near East HartfordRiver gauge, Hockanum River 2.14 ft Normal −0.05 ft 17 mi

Questions and answers

What is flood stage for the Connecticut River at Middle Haddam?

The official flood stage is 7.00 ft. The level is currently 5.44 ft below it.

What is the water level of Connecticut River at Middle Haddam today?

On Oct 20, 2026, 02:55 AM EDT, the water level was 1.56 ft. Up 0.15 ft over the last 24 hours.

Is Connecticut River at Middle Haddam rising or falling?

Up 0.15 ft over the last 24 hours.

Is the level of Connecticut River at Middle Haddam normal?

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

What is the highest water level ever recorded at Connecticut River at Middle Haddam?

The highest level on record is 11.20 ft on December 21, 2023.

Is Connecticut River at Middle Haddam expected to rise?

The forecast expects the river to rise to 4.20 ft by Wednesday, October 21 at 10:00 PM.

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:01193050 (Agency page)
Coordinates
41.54165, -72.55313 (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 1.56 ft 2026-10-20 06:55 Provisional
Flow 21,600 cfs 2026-10-20 06:45 Provisional
Water temperature 56 °F 2026-10-20 07:15 Provisional

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How to cite

U.S. Geological Survey: Connecticut River at Middle Haddam (usgs:01193050). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/connecticut/connecticut-river-at-middle-haddam

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.