Rivers in Massachusetts
Sudbury River at Saxonville
Below flood stage
3.99ftStage
Observed Wed, Sep 23, 12:15 PM EDT
- Flood stage
- 10.00 ft
- Forecast crest
- 4.50 ftSat, Sep 26, 8:00 AM EDT
- Record crest
- 13.99 ft2010
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 13.00 ft |
| Moderate flood | 12.00 ft |
| Minor flood | 10.00 ft |
| Action | 8.50 ft |
- 15.00 ftSignificant flooding occurs along the river, especially in Wayland and Concord. In Wayland portions of Route 20 both west and east bound as well as Route 27, Old Sudbury Road, will be impacted. In Concord Nashawtuc Road, Sudbury Road and Route 117 will be heavily impacted. This is a serious, potentially life threatening situation. Follow the directions of local officials if you are asked to evacuate. Do not go sightseeing and stay away from river banks which can give way due to erosion.
- 13.50 ftSignificant flooding occurs along the river, espeically in Wayland and Concord. In Wayland, portions of Route 20 both west and east bound as well as Route 27, Old Sudbury Road, will be impacted from Glezen Lane to the Sudbury town line. In Concord Nashawtuc Road, Sudbury Road and Route 117 will be heavily impacted. Should evacuation be required, do so immediately. Follow the directions of emergency management officials. Know alternate routes for travel, and stay away from flooded areas.
- 12.50 ftFlooding impacts portions of Route 27, Old Sudbury Road, in Wayland as well as Route 20 both west and east bound at Route 27. Portions of Route 27 will have up to 12 inches of water. Other low lying areas in Wayland will experience flooding including Pelham Island Road and Shore Drive near Stonebridge Road. Flood waters will be impacting portions of Nashawtuc Road, Sudbury Road and Route 117 in Concord.
- 12.00 ftFlooding affects low lying areas of Wayland, including Pelham Island Road near Heards Pond. Shore Drive near Stonebridge Road will experience some flooding as well as Route 20 eastbound at Route 27. Flood waters will begin to impact portions of Nashawtuc Road, Sudbury Road and Route 117 in Concord.
- 11.00 ftFlooding will affect portions of Shore and Pelham Island Roads as well as River Road in Wayland. Flooding will also begin to impact Route 20 at Route 27. Other low lying areas along the river will experience flooding.
- 10.00 ftFlooding will affect low lying areas along the river in Wayland, including a portion of Shore Road and Pelham Island Road near Heards Pond.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.
Crest history
56 crests on NOAA’s list since 1981.
| # | Date | Stage |
|---|---|---|
| 1 | March 31, 2010 | 13.99 ft |
| 2 | April 8, 1987 | 13.47 ft |
| 3 | June 7, 1982 | 13.30 ft |
| 4 | March 16, 2010 | 12.92 ft |
| 5 | March 23, 2001 | 12.61 ft |
| 6 | October 15, 2005 | 12.04 ft |
| 7 | June 3, 1984 | 11.98 ft |
| 8 | April 1, 1993 | 11.97 ft |
| 9 | January 10, 2024 | 11.72 ft |
| 10 | December 12, 2008 | 11.50 ft |
| 11 | January 13, 2024 | 11.34 ft |
| 12 | December 19, 2023 | 11.27 ft |
| 13 | December 19, 2023 | 11.27 ft |
| 14 | February 26, 2010 | 11.12 ft |
| 15 | October 21, 1996 | 11.08 ft |
| 16 | April 18, 2007 | 11.01 ft |
| 17 | April 24, 2000 | 10.90 ft |
| 18 | March 24, 2010 | 10.78 ft |
| 19 | June 14, 1998 | 10.77 ft |
| 20 | April 23, 2019 | 10.69 ft |
| 21 | March 31, 2014 | 10.65 ft |
| 22 | July 10, 2021 | 10.61 ft |
| 23 | January 25, 2019 | 10.59 ft |
| 24 | March 9, 2008 | 10.57 ft |
| 25 | September 2, 2021 | 10.51 ft |
Most recent crests
- April 4, 2024: 10.07 ft
- January 13, 2024: 11.34 ft
- January 10, 2024: 11.72 ft
- December 19, 2023: 11.27 ft
- December 19, 2023: 11.27 ft
- September 2, 2021: 10.51 ft
- July 10, 2021: 10.61 ft
- April 27, 2019: 10.28 ft
- April 23, 2019: 10.69 ft
- January 25, 2019: 10.59 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.