Rivers in New Hampshire

Androscoggin River at Gorham

Coos County, New HampshireNWS GRMN3USGS 01054000Gray office

Below flood stage
2.75ftStage

Observed Tue, Sep 22, 1:15 AM EDT

Flood stage
8.00 ft
Forecast crest
2.80 ftTue, Sep 22, 2:00 AM EDT
Record crest
10.30 ft1923

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood12.00 ft
Moderate flood10.00 ft
Minor flood8.00 ft
Action7.00 ft
  1. 11.50 ftRoute 16 in Gorham floods from Church Street to Bellevue Place.
  2. 10.50 ftRoute 16 in Gorham floods from Church Street to the Burger King. The Androscoggin Valley Country Club floods. Marois Avenue floods in addition to Frazer, Elm, Spruce, and Pine Streets.
  3. 9.50 ftWater rises up to Route 16. The parking lot of businesses on Main Street flood.
  4. 8.00 ftFlooding begins at the parking lot of businesses along Main Street north of Church Street.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

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

Crest history

37 crests on NOAA’s list since 1923.

#DateStage
1April 30, 192310.30 ft
2April 1, 199810.15 ft
3March 22, 19369.99 ft
4March 27, 19539.93 ft
5April 25, 20019.47 ft
6May 31, 19849.41 ft
7April 24, 19969.30 ft
8May 11, 20009.26 ft
9May 21, 19699.20 ft
10April 16, 20149.18 ft
11April 22, 19549.16 ft
12April 1, 19879.15 ft
13April 18, 20029.14 ft
14October 17, 20059.08 ft
15June 4, 19478.91 ft
16May 30, 20118.90 ft
17May 16, 19378.89 ft
18May 4, 19408.82 ft
19April 23, 19588.80 ft
20June 19, 19438.79 ft
21May 17, 20078.78 ft
22December 22, 19738.76 ft
23April 10, 19918.73 ft
24December 19, 20238.71 ft
25June 18, 19428.55 ft

Most recent crests

  • December 19, 2023: 8.71 ft
  • May 3, 2017: 8.32 ft
  • April 16, 2014: 9.18 ft
  • May 26, 2013: 8.46 ft
  • May 30, 2011: 8.90 ft
  • April 30, 2008: 8.36 ft
  • May 17, 2007: 8.78 ft
  • October 17, 2005: 9.08 ft
  • April 18, 2002: 9.14 ft
  • April 25, 2001: 9.47 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.