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Assabet River at Maynard
Critical Stages
4.5' - Action
5' - Flood
6' - Moderate
7' - Major
Latest Observation
Updated: 9:15 PM EST 12/5/25
Status: No Flooding
Stage: 2.23 ft
Flow: 0.131 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1 AM 12/6 | 2.2 | 0.126 |
| 7 AM 12/6 | 2.2 | 0.126 |
| 1 PM 12/6 | 2.2 | 0.126 |
| 7 PM 12/6 | 2.2 | 0.126 |
| 1 AM 12/7 | 2.2 | 0.126 |
| 7 AM 12/7 | 2.1 | 0.109 |
| 1 PM 12/7 | 2.1 | 0.109 |
| 7 PM 12/7 | 2.1 | 0.109 |
| 1 AM 12/8 | 2.1 | 0.109 |
| 7 AM 12/8 | 2.1 | 0.109 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 9:15 PM 12/5 | 2.23 | 0.131 |
| 9:00 PM 12/5 | 2.23 | 0.131 |
| 8:45 PM 12/5 | 2.23 | 0.131 |
| 8:30 PM 12/5 | 2.23 | 0.131 |
| 8:15 PM 12/5 | 2.23 | 0.131 |
| 8:00 PM 12/5 | 2.24 | 0.133 |
| 7:45 PM 12/5 | 2.24 | 0.133 |
| 7:30 PM 12/5 | 2.24 | 0.133 |
| 7:15 PM 12/5 | 2.24 | 0.133 |
| 7:00 PM 12/5 | 2.24 | 0.133 |
| 6:45 PM 12/5 | 2.25 | 0.135 |
| 6:30 PM 12/5 | 2.25 | 0.135 |
| 6:15 PM 12/5 | 2.25 | 0.135 |
| 6:00 PM 12/5 | 2.25 | 0.135 |
| 5:45 PM 12/5 | 2.25 | 0.135 |
| 5:30 PM 12/5 | 2.26 | 0.137 |
| 5:15 PM 12/5 | 2.26 | 0.137 |
| 5:00 PM 12/5 | 2.26 | 0.137 |
| 4:45 PM 12/5 | 2.27 | 0.138 |
| 4:30 PM 12/5 | 2.27 | 0.138 |
| 4:15 PM 12/5 | 2.27 | 0.138 |
| 4:00 PM 12/5 | 2.27 | 0.138 |
| 3:45 PM 12/5 | 2.28 | 0.14 |
| 3:30 PM 12/5 | 2.28 | 0.14 |
| 3:15 PM 12/5 | 2.28 | 0.14 |
| 3:00 PM 12/5 | 2.29 | 0.142 |
| 2:45 PM 12/5 | 2.29 | 0.142 |
| 2:30 PM 12/5 | 2.29 | 0.142 |
| 2:15 PM 12/5 | 2.3 | 0.144 |
| 2:00 PM 12/5 | 2.3 | 0.144 |
7' -
Significant flooding will affect interests along the river in Maynard, Concord and Hudson. Roadways may become impassable due to flood waters and some properties may need to be evacuated. Follow the directions of local emergency management officials.
6' -
Flooding is likely in low lying sections along the river including portions of Maynard, Hudson and Concord. Water may approach homes along the river and may force several localized road closures.
5' -
Minor lowland and backyard flooding is likely along reaches of the river in Maynard, Concord as well as Hudson. Several river roads may also become covered in water.
| Date | Stage (ft) |
|---|---|
| Aug 20, 1955 | 8.94 |
| Mar 19, 1968 | 8.15 |
| Jan 26, 1979 | 8.11 |
| Apr 7, 1987 | 7.17 |
| Mar 16, 2010 | 7.14 |
| Mar 31, 2010 | 7.08 |
| Jun 7, 1982 | 6.68 |
| Sep 13, 1954 | 6.47 |
| Mar 23, 2001 | 6.41 |
| Feb 26, 2010 | 6.39 |
| Apr 2, 1993 | 6.37 |
| Apr 17, 2007 | 6.28 |
| Jun 3, 1984 | 6.25 |
| Feb 12, 1970 | 6.14 |
| Mar 28, 1963 | 6.12 |
| Mar 27, 1969 | 6.02 |
| Apr 2, 1962 | 5.99 |
| Apr 3, 2004 | 5.95 |
| Dec 20, 2023 | 5.94 |
| Mar 23, 1972 | 5.89 |
Data provided by the National Weather Service.
