Diamond River near Wentworth, NH
River level and flood forecast · Coos County
Flow: 32 cubic feet per second (USGS).
Much lower than normal for October 13.
Usual for October 13: 68 to 298 cubic feet per second (the middle half of 85 years).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Highest crests on record
- 12.11 ft — March 31, 1998
- 10.66 ft — June 16, 1943
- 10.66 ft — March 7, 1979
- 10.62 ft — April 16, 2014
- 10.48 ft — March 15, 1946
Recent crests: 9.55 ft (December 19, 2023) · 7.55 ft (April 14, 2022) · 7.3 ft (March 27, 2021) · 8.03 ft (April 14, 2020) · 9.57 ft (April 21, 2019)
Highest flow on record
12,800 cubic feet per second — April 1, 1998. From the USGS's yearly peaks since 1942.
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (DIAN3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.