Major Flood
7 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
6 ft
Minor Flood
4.5 ft
Action Stage
4 ft
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Oct 15, 2005 | 5.92 ft | — |
| Aug 14, 2005 | 5.71 ft | — |
| Mar 15, 2010 | 5.7 ft | 401 cfs |
About This Gauge
USGS Site
NWS LID
WTHM3
River
Old Swamp River
County
Norfolk, MA
Coordinates
42.1903°N, 70.9453°W
Get Flood Alerts for Old Swamp River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Old Swamp River at Weymouth?
The Old Swamp River at Weymouth gauge is maintained by USGS (site 01105600) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Old Swamp River at Weymouth?
The NWS-defined flood stage for Old Swamp River at Weymouth is 4.5 feet. Action stage begins at 4 feet. Moderate flooding starts at 6 feet, and major flooding at 7 feet.
How do I get alerts when Old Swamp River rises?
Download StormCast free on Google Play, go to River Gauges, and add Old Swamp River at Weymouth to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Old Swamp River at Weymouth gauge located?
The gauge is located in Norfolk County, Massachusetts at coordinates 42.1903°N, 70.9453°W. USGS site number: 01105600. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: USGS webpage for Old Swamp River at Weymouth MA