Winnipesaukee River at Tilton, NH
River level and flood forecast · Belknap County
The river is 4.0 ft below flood stage (7 ft).
Flow: 469 cubic feet per second (USGS).
Normal for October 13.
Usual for October 13: 260 to 575 cubic feet per second (the middle half of 90 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.
Get flood alerts for this river
An email when the National Weather Service forecasts Winnipesaukee River at Tilton to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 8.5 ft |
| Moderate flood stage | 7.5 ft |
| Flood stage | 7 ft |
| Action stage | 5 ft |
| Record crest (May 31, 1984) | 8.68 ft |
What floods at each level
From the National Weather Service, highest first.
- 7.5 ftNH DES regulated flows from Lake Winnippesaukee to avoid significant flooding downstream.
- 7 ftBasement flooding of properties on Silver Lake.
- 6 ftRiver runs high and comes up to some lakeshore properties. Personal items need to be moved to higher ground.
Highest crests on record
- 8.68 ft — May 31, 1984
- 8.52 ft — October 15, 2005
- 8.04 ft — June 28, 1998
- 7.93 ft — March 27, 1953
- 7.91 ft — May 11, 1954
Recent crests: 7.61 ft (April 17, 2007) · 8.52 ft (October 15, 2005) · 8.04 ft (June 28, 1998) · 7.75 ft (May 12, 1996) · 8.68 ft (May 31, 1984)
Highest flow on record
4,580 cubic feet per second — May 31, 1984. From the USGS's yearly peaks since 1937.
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (TLTN3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.