Rivers and flooding in Massachusetts
96 river gauges the National Weather Service watches in Massachusetts. Each has its forecast, flood stages and impacts, and its crest history.
Flood outlook
Significant river flooding over the next five days, and each gauge’s chance of flooding over the next three months.
No significant river flooding is outlined in Massachusetts in the next five days.
Most likely to flood, September to November
- Hoosic River near Williamstown5% chance of moderate flooding
- Assabet River at Maynard11% chance of minor flooding
- Taunton River near Bridgewater11% chance of minor flooding
- Connecticut River at Montague7% chance of minor flooding
- Squannacook River at West Groton7% chance of minor flooding
- Deerfield River at Charlemont6% chance of minor flooding
- Shawsheen River at Wilmington5% chance of minor flooding
- Deerfield River at West Deerfield-99900% chance of major flooding
8 of the 20 gauges the River Forecast Centers forecast in Massachusetts have a stated chance of flooding in this period.
Aberjona River
Assabet River
Atlantic Coast
- Atlantic Coast at Chatham Harbor (IN MLLW)Below flood stage
- Atlantic Coast at Dennis Sesuit Harbor (IN MLLW)Below flood stage
- Atlantic Coast at Gloucester (IN MLLW)Below flood stage
- Atlantic Coast at Hyannisport (IN MLLW)Reading out of date
- Atlantic Coast at Mashpee Popponesset Bay(IN MLLW)No flood stages set
- Atlantic Coast at Provincetown Harbor (IN MLLW)Below flood stage
- Atlantic Coast at Sandwich Canal Side (In MLLW)Reading out of date
Blackstone River
Boston Harbor
Buzzards Bay
Charles River
Chicopee River
Cochituate Brook
Concord River
Connecticut River
Deerfield River
East Branch Swift River
Edgartown Harbor
Eels River
Farmington River
French River
Green Harbor, Marshfield (In MLLW)
Green River
Herring River
Hoosic River
Housatonic River
Indian Head River
Ipswich River
Jones River
Massachusetts Bay
Merrimack River
Mill River
Millers River
Monatiquot River
Mount Hope Bay
Muddy River
Nantucket Harbor
Nashua River
Neponset River
North Nashua River
North River
Old Swamp River
Otter River
Parker River
Paskamanset River
Priest Brook
Quaboag River
Quashnet River
Quinapoxet River
Quinsigamond River
Segregansett River
Seven Mile River
Shawsheen River
Spicket River
Squannacook River
Stillwater River
Sudbury River
Swift River
Taunton River
Three Mile River
Wading River
Ware River
West Branch Swift River
West Branch Westfield River
West River Below West Hill Dam
Westfield River
Sources
Gauges, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow from the U.S. Geological Survey.