Rivers in Connecticut

Yantic River at Yantic

New London County, ConnecticutNWS YTCC3USGS 01127500Upton office

Below flood stage
1.86ftStage

Observed Tue, Sep 22, 1:45 AM EDT

Flood stage
9.00 ft
Forecast crest
1.70 ftTue, Sep 22, 8:00 AM EDT
Record crest
14.88 ft1982

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood11.00 ft
Moderate flood9.50 ft
Minor flood9.00 ft
Action7.50 ft
  1. 10.00 ftFlooding along Otrobando Avenue at the Fitness World, Pleasant Street bridge and along Town Street at the Norwichtown Mall.
  2. 9.50 ftFlooding begins at several commercial structures along west Town Street in Yantic Flats.
  3. 9.00 ftFlooding begins along Sturtevant Street.
  4. 7.50 ftFlooding begins in the Meadow in Yantic Flats.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding6%
Moderate flooding6%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 14, 2026.

Crest history

30 crests on NOAA’s list since 1934.

#DateStage
1June 5, 198214.88 ft
2September 21, 193814.66 ft
3March 30, 201013.23 ft
4January 26, 197812.74 ft
5January 21, 197912.64 ft
6September 26, 201812.53 ft
7February 3, 197311.61 ft
8October 16, 195511.58 ft
9March 22, 198011.56 ft
10March 12, 193611.32 ft
11April 2, 197011.31 ft
12March 10, 199811.13 ft
13March 2, 200710.93 ft
14March 5, 193410.83 ft
15April 11, 199310.79 ft
16October 21, 198910.58 ft
17January 28, 197610.23 ft
18April 1, 198710.12 ft
19April 14, 200410.00 ft
20May 13, 20069.73 ft
21February 13, 20089.69 ft
22May 31, 19849.67 ft
23October 14, 19909.48 ft
24March 25, 19699.44 ft
25February 8, 19419.34 ft

Most recent crests

  • September 26, 2018: 12.53 ft
  • August 28, 2011: 7.46 ft
  • March 7, 2011: 9.30 ft
  • March 30, 2010: 13.23 ft
  • February 13, 2008: 9.69 ft
  • March 2, 2007: 10.93 ft
  • May 13, 2006: 9.73 ft
  • April 14, 2004: 10.00 ft
  • March 10, 1998: 11.13 ft
  • April 11, 1993: 10.79 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Northeast River Forecast Center. Forecasts are issued routinely year-round.

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.