Charles River at Waltham, MA
River level and flood forecast · Middlesex County
The river is 3.4 ft below flood stage (5 ft).
Flow: 184 cubic feet per second (USGS).
Normal for October 13.
Usual for October 13: 47 to 197 cubic feet per second (the middle half of 95 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 Charles River at Waltham to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 9 ft |
| Moderate flood stage | 7 ft |
| Flood stage | 5 ft |
| Action stage | 4 ft |
| Record crest (March 16, 2010) | 7.56 ft |
Highest crests on record
- 7.56 ft — March 16, 2010
- 6.54 ft — February 3, 1976
- 6.48 ft — January 25, 1979
- 6.46 ft — March 31, 2010
- 6.05 ft — October 21, 1996
Recent crests: 6.46 ft (March 31, 2010) · 5.01 ft (March 23, 2010) · 5.19 ft (March 22, 2010) · 7.56 ft (March 16, 2010) · 4.92 ft (June 10, 2006)
Highest flow on record
4,270 cubic feet per second — March 15, 2010. From the USGS's yearly peaks since 1932.
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (WLTM3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.