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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

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Hydrograph River at a Glance Download
Blackstone River at Northbridge Stage (ft)Flow (kcfs)Observed: 3.6 ft at 1:30PM May 28, 2023Observed: 3.6 ft at 1:45PM May 28, 2023Observed: 3.6 ft at 2:00PM May 28, 2023Observed: 3.6 ft at 2:15PM May 28, 2023Observed: 3.6 ft at 2:30PM May 28, 2023Observed: 3.6 ft at 2:45PM May 28, 2023Observed: 3.6 ft at 3:00PM May 28, 2023Observed: 3.6 ft at 3:15PM May 28, 2023Observed: 3.6 ft at 3:30PM May 28, 2023Observed: 3.6 ft at 3:45PM May 28, 2023Observed: 3.59 ft at 4:00PM May 28, 2023Observed: 3.6 ft at 4:15PM May 28, 2023Observed: 3.59 ft at 4:30PM May 28, 2023Observed: 3.59 ft at 4:45PM May 28, 2023Observed: 3.6 ft at 5:00PM May 28, 2023Observed: 3.6 ft at 5:15PM May 28, 2023Observed: 3.6 ft at 5:30PM May 28, 2023Observed: 3.6 ft at 5:45PM May 28, 2023Observed: 3.6 ft at 6:00PM May 28, 2023Observed: 3.6 ft at 6:15PM May 28, 2023Observed: 3.6 ft at 6:30PM May 28, 2023Observed: 3.61 ft at 6:45PM May 28, 2023Observed: 3.61 ft at 7:00PM May 28, 2023Observed: 3.61 ft at 7:15PM May 28, 2023Observed: 3.62 ft at 7:30PM May 28, 2023Observed: 3.62 ft at 7:31PM May 28, 2023Observed: 3.62 ft at 7:45PM May 28, 2023Observed: 3.62 ft at 8:00PM May 28, 2023Observed: 3.62 ft at 8:15PM May 28, 2023Observed: 3.62 ft at 8:30PM May 28, 2023Observed: 3.62 ft at 8:45PM May 28, 2023Observed: 3.62 ft at 9:00PM May 28, 2023Highest Observation: 3.63 ft at 9:15PM May 28, 2023Highest Observation: 3.63 ft at 9:30PM May 28, 2023Highest Observation: 3.63 ft at 9:45PM May 28, 2023Highest Observation: 3.63 ft at 10:00PM May 28, 2023Highest Observation: 3.63 ft at 10:15PM May 28, 2023Highest Observation: 3.63 ft at 10:30PM May 28, 2023Highest Observation: 3.63 ft at 10:45PM May 28, 2023Highest Observation: 3.63 ft at 11:00PM May 28, 2023Highest Observation: 3.63 ft at 11:15PM May 28, 2023Highest Observation: 3.63 ft at 11:30PM May 28, 2023Highest Observation: 3.63 ft at 11:45PM May 28, 2023Highest Observation: 3.63 ft at 12:00AM May 29, 2023Highest Observation: 3.63 ft at 12:15AM May 29, 2023Highest Observation: 3.63 ft at 12:30AM May 29, 2023Highest Observation: 3.63 ft at 12:45AM May 29, 2023Highest Observation: 3.63 ft at 1:00AM May 29, 2023Highest Observation: 3.63 ft at 1:15AM May 29, 2023Highest Observation: 3.63 ft at 1:30AM May 29, 2023Highest Observation: 3.63 ft at 1:31AM May 29, 2023Highest Observation: 3.63 ft at 1:45AM May 29, 2023Highest Observation: 3.63 ft at 2:00AM May 29, 2023Highest Observation: 3.63 ft at 2:15AM May 29, 2023Highest Observation: 3.63 ft at 2:30AM May 29, 2023Highest Observation: 3.63 ft at 2:45AM May 29, 2023Highest Observation: 3.63 ft at 3:00AM May 29, 2023Observed: 3.62 ft at 3:15AM May 29, 2023Observed: 3.62 ft at 3:30AM May 29, 2023Observed: 3.62 ft at 3:45AM May 29, 2023Observed: 3.62 ft at 4:00AM May 29, 2023Observed: 3.62 ft at 4:15AM May 29, 2023Observed: 3.62 ft at 4:30AM May 29, 2023Observed: 3.62 ft at 4:45AM May 29, 2023Observed: 3.62 ft at 5:00AM May 29, 2023Observed: 3.62 ft at 5:15AM May 29, 2023Observed: 3.62 ft at 5:30AM May 29, 2023Observed: 3.61 ft at 5:45AM May 29, 2023Observed: 3.61 ft at 6:00AM May 29, 2023Observed: 3.61 ft at 6:15AM May 29, 2023Observed: 3.61 ft at 6:30AM May 29, 2023Observed: 3.61 ft at 6:45AM May 29, 2023Observed: 3.61 ft at 7:00AM May 29, 2023Observed: 3.6 ft at 7:15AM May 29, 2023Observed: 3.6 ft at 7:30AM May 29, 2023Observed: 3.6 ft at 7:31AM May 29, 2023Observed: 3.6 ft at 7:45AM May 29, 2023Observed: 3.6 ft at 8:00AM May 29, 2023Observed: 3.6 ft at 8:15AM May 29, 2023Observed: 3.6 ft at 8:30AM May 29, 2023Observed: 3.59 ft at 8:45AM May 29, 2023Observed: 3.59 ft at 9:00AM May 29, 2023Observed: 3.59 ft at 9:15AM May 29, 2023Observed: 3.59 ft at 9:30AM May 29, 2023Observed: 3.59 ft at 9:45AM May 29, 2023Observed: 3.59 ft at 10:00AM May 29, 2023Observed: 3.58 ft at 10:15AM May 29, 2023Observed: 3.58 ft at 10:30AM May 29, 2023Observed: 3.59 ft at 10:45AM May 29, 2023Observed: 3.59 ft at 11:00AM May 29, 2023Observed: 3.58 ft at 11:15AM May 29, 2023Observed: 3.58 ft at 11:30AM May 29, 2023Observed: 3.58 ft at 11:45AM May 29, 2023Observed: 3.58 ft at 12:00PM May 29, 2023Observed: 3.58 ft at 12:15PM May 29, 2023Observed: 3.58 ft at 12:30PM May 29, 2023Observed: 3.58 ft at 12:45PM May 29, 2023Observed: 3.57 ft at 1:00PM May 29, 2023Observed: 3.57 ft at 1:15PM May 29, 2023Observed: 3.57 ft at 1:30PM May 29, 2023Observed: 3.57 ft at 1:31PM May 29, 2023Observed: 3.57 ft at 1:45PM May 29, 2023Observed: 3.57 ft at 2:00PM May 29, 2023Observed: 3.56 ft at 2:15PM May 29, 2023Observed: 3.56 ft at 2:30PM May 29, 2023Observed: 3.56 ft at 2:45PM May 29, 2023Observed: 3.56 ft at 3:00PM May 29, 2023Observed: 3.56 ft at 3:15PM May 29, 2023Observed: 3.56 ft at 3:30PM May 29, 2023Observed: 3.56 ft at 3:45PM May 29, 2023Observed: 3.56 ft at 4:00PM May 29, 2023Observed: 3.56 ft at 4:15PM May 29, 2023Observed: 3.56 ft at 4:30PM May 29, 2023Observed: 3.56 ft at 4:45PM May 29, 2023Observed: 3.56 ft at 5:00PM May 29, 2023Observed: 3.56 ft at 5:15PM May 29, 2023Observed: 3.56 ft at 5:30PM May 29, 2023Observed: 3.56 ft at 5:45PM May 29, 2023Observed: 3.57 ft at 6:00PM May 29, 2023Observed: 3.57 ft at 6:15PM May 29, 2023Observed: 3.57 ft at 6:30PM May 29, 2023Observed: 3.57 ft at 6:45PM May 29, 2023Observed: 3.57 ft at 7:00PM May 29, 2023Observed: 3.58 ft at 7:15PM May 29, 2023Observed: 3.58 ft at 7:30PM May 29, 2023Observed: 3.58 ft at 7:45PM May 29, 2023Observed: 3.59 ft at 8:00PM May 29, 2023Observed: 3.59 ft at 8:15PM May 29, 2023Observed: 3.59 ft at 8:30PM May 29, 2023Observed: 3.59 ft at 8:45PM May 29, 2023Observed: 3.58 ft at 9:00PM May 29, 2023Observed: 3.54 ft at 9:15PM May 29, 2023Observed: 3.51 ft at 9:30PM May 29, 2023Observed: 3.48 ft at 9:45PM May 29, 2023Observed: 3.45 ft at 10:00PM May 29, 2023Observed: 3.42 ft at 10:15PM May 29, 2023Observed: 3.42 ft at 10:30PM May 29, 2023Observed: 3.44 ft at 10:45PM May 29, 2023Observed: 3.45 ft at 11:00PM May 29, 2023Observed: 3.47 ft at 11:15PM May 29, 2023Observed: 3.48 ft at 11:30PM May 29, 2023Observed: 3.49 ft at 11:45PM May 29, 2023Observed: 3.5 ft at 12:00AM May 30, 2023Observed: 3.51 ft at 12:15AM May 30, 2023Observed: 3.52 ft at 12:30AM May 30, 2023Observed: 3.53 ft at 12:45AM May 30, 2023Observed: 3.53 ft at 1:00AM May 30, 2023Observed: 3.54 ft at 1:15AM May 30, 2023Observed: 3.54 ft at 1:30AM May 30, 2023Observed: 3.54 ft at 1:31AM May 30, 2023Observed: 3.55 ft at 1:45AM May 30, 2023Observed: 3.55 ft at 2:00AM May 30, 2023Observed: 3.55 ft at 2:15AM May 30, 2023Observed: 3.56 ft at 2:30AM May 30, 2023Observed: 3.56 ft at 2:45AM May 30, 2023Observed: 3.56 ft at 3:00AM May 30, 2023Observed: 3.56 ft at 3:15AM May 30, 2023Observed: 3.57 ft at 3:30AM May 30, 2023Observed: 3.57 ft at 3:45AM May 30, 2023Observed: 3.57 ft at 4:00AM May 30, 2023Observed: 3.57 ft at 4:15AM May 30, 2023Observed: 3.57 ft at 4:30AM May 30, 2023Observed: 3.57 ft at 4:45AM May 30, 2023Observed: 3.57 ft at 5:00AM May 30, 2023Observed: 3.57 ft at 5:15AM May 30, 2023Observed: 3.57 ft at 5:30AM May 30, 2023Observed: 3.57 ft at 5:45AM May 30, 2023Observed: 3.57 ft at 6:00AM May 30, 2023Observed: 3.57 ft at 6:15AM May 30, 2023Observed: 3.57 ft at 6:30AM May 30, 2023Observed: 3.55 ft at 6:45AM May 30, 2023Observed: 3.51 ft at 7:00AM May 30, 2023Observed: 3.47 ft at 7:15AM May 30, 2023Observed: 3.44 ft at 7:30AM May 30, 2023Observed: 3.41 ft at 7:45AM May 30, 2023Observed: 3.38 ft at 8:00AM May 30, 2023Observed: 3.41 ft at 8:15AM May 30, 2023Observed: 3.41 ft at 8:30AM May 30, 2023Observed: 3.42 ft at 8:45AM May 30, 2023Observed: 3.43 ft at 9:00AM May 30, 2023Observed: 3.44 ft at 9:15AM May 30, 2023Observed: 3.45 ft at 9:30AM May 30, 2023Observed: 3.46 ft at 9:45AM May 30, 2023Observed: 3.47 ft at 10:00AM May 30, 2023Observed: 3.47 ft at 10:15AM May 30, 2023Observed: 3.48 ft at 10:30AM May 30, 2023Observed: 3.49 ft at 10:45AM May 30, 2023Observed: 3.49 ft at 11:00AM May 30, 2023Observed: 3.49 ft at 11:15AM May 30, 2023Observed: 3.5 ft at 11:30AM May 30, 2023Observed: 3.5 ft at 11:45AM May 30, 2023Observed: 3.5 ft at 12:00PM May 30, 2023Observed: 3.51 ft at 12:15PM May 30, 2023Observed: 3.51 ft at 12:30PM May 30, 2023Observed: 3.51 ft at 12:45PM May 30, 2023Observed: 3.51 ft at 1:00PM May 30, 2023Observed: 3.51 ft at 1:15PM May 30, 2023Observed: 3.51 ft at 1:30PM May 30, 2023Observed: 3.51 ft at 1:31PM May 30, 2023Observed: 3.51 ft at 1:45PM May 30, 2023Observed: 3.51 ft at 2:00PM May 30, 2023Observed: 3.51 ft at 2:15PM May 30, 2023Observed: 3.51 ft at 2:30PM May 30, 2023Observed: 3.52 ft at 2:45PM May 30, 2023Observed: 3.52 ft at 3:00PM May 30, 2023Observed: 3.52 ft at 3:15PM May 30, 2023Observed: 3.52 ft at 3:30PM May 30, 2023Observed: 3.52 ft at 3:45PM May 30, 2023Observed: 3.53 ft at 4:00PM May 30, 2023Observed: 3.53 ft at 4:15PM May 30, 2023Observed: 3.53 ft at 4:30PM May 30, 2023Observed: 3.53 ft at 4:45PM May 30, 2023Observed: 3.54 ft at 5:00PM May 30, 2023Observed: 3.54 ft at 5:15PM May 30, 2023Observed: 3.54 ft at 5:30PM May 30, 2023Observed: 3.55 ft at 5:45PM May 30, 2023Observed: 3.55 ft at 6:00PM May 30, 2023Observed: 3.55 ft at 6:15PM May 30, 2023Observed: 3.56 ft at 6:30PM May 30, 2023Observed: 3.56 ft at 6:45PM May 30, 2023Observed: 3.56 ft at 7:00PM May 30, 2023Observed: 3.56 ft at 7:15PM May 30, 2023Observed: 3.56 ft at 7:30PM May 30, 2023Observed: 3.56 ft at 7:31PM May 30, 2023Observed: 3.57 ft at 7:45PM May 30, 2023Observed: 3.57 ft at 8:00PM May 30, 2023Observed: 3.56 ft at 8:15PM May 30, 2023Observed: 3.52 ft at 8:30PM May 30, 2023Observed: 3.48 ft at 8:45PM May 30, 2023Observed: 3.45 ft at 9:00PM May 30, 2023Observed: 3.42 ft at 9:15PM May 30, 2023Observed: 3.41 ft at 9:30PM May 30, 2023Observed: 3.43 ft at 9:45PM May 30, 2023Observed: 3.44 ft at 10:00PM May 30, 2023Observed: 3.45 ft at 10:15PM May 30, 2023Observed: 3.47 ft at 10:30PM May 30, 2023Observed: 3.48 ft at 10:45PM May 30, 2023Observed: 3.49 ft at 11:00PM May 30, 2023Observed: 3.49 ft at 11:15PM May 30, 2023Observed: 3.5 ft at 11:30PM May 30, 2023Observed: 3.51 ft at 11:45PM May 30, 2023Observed: 3.52 ft at 12:00AM May 31, 2023Observed: 3.52 ft at 12:15AM May 31, 2023Observed: 3.52 ft at 12:30AM May 31, 2023Observed: 3.53 ft at 12:45AM May 31, 2023Observed: 3.53 ft at 1:00AM May 31, 2023Observed: 3.53 ft at 1:15AM May 31, 2023Observed: 3.54 ft at 1:30AM May 31, 2023Observed: 3.54 ft at 1:45AM May 31, 2023Observed: 3.54 ft at 2:00AM May 31, 2023Observed: 3.54 ft at 2:15AM May 31, 2023Observed: 3.54 ft at 2:30AM May 31, 2023Observed: 3.54 ft at 2:45AM May 31, 2023Observed: 3.54 ft at 3:00AM May 31, 2023Observed: 3.54 ft at 3:15AM May 31, 2023Observed: 3.54 ft at 3:30AM May 31, 2023Observed: 3.54 ft at 3:45AM May 31, 2023Observed: 3.54 ft at 4:00AM May 31, 2023Observed: 3.54 ft at 4:15AM May 31, 2023Observed: 3.54 ft at 4:30AM May 31, 2023Observed: 3.54 ft at 4:45AM May 31, 2023Observed: 3.54 ft at 5:00AM May 31, 2023Observed: 3.54 ft at 5:15AM May 31, 2023Observed: 3.54 ft at 5:30AM May 31, 2023Observed: 3.54 ft at 5:45AM May 31, 2023Observed: 3.54 ft at 6:00AM May 31, 2023Observed: 3.54 ft at 6:15AM May 31, 2023Observed: 3.51 ft at 6:30AM May 31, 2023Observed: 3.47 ft at 6:45AM May 31, 2023Observed: 3.43 ft at 7:00AM May 31, 2023Observed: 3.4 ft at 7:15AM May 31, 2023Observed: 3.39 ft at 7:30AM May 31, 2023Observed: 3.39 ft at 7:31AM May 31, 2023Observed: 3.4 ft at 7:45AM May 31, 2023Observed: 3.38 ft at 8:00AM May 31, 2023Observed: 3.35 ft at 8:15AM May 31, 2023Observed: 3.33 ft at 8:30AM May 31, 2023Observed: 3.3 ft at 8:45AM May 31, 2023Observed: 3.28 ft at 9:00AM May 31, 2023Observed: 3.26 ft at 9:15AM May 31, 2023Observed: 3.24 ft at 9:30AM May 31, 2023Observed: 3.27 ft at 9:45AM May 31, 2023Observed: 3.26 ft at 10:00AM May 31, 2023Observed: 3.24 ft at 10:15AM May 31, 2023Observed: 3.22 ft at 10:30AM May 31, 2023Observed: 3.21 ft at 10:45AM May 31, 2023Observed: 3.23 ft at 11:00AM May 31, 2023Observed: 3.25 ft at 11:15AM May 31, 2023Observed: 3.27 ft at 11:30AM May 31, 2023Observed: 3.29 ft at 11:45AM May 31, 2023Observed: 3.31 ft at 12:00PM May 31, 2023Observed: 3.32 ft at 12:15PM May 31, 2023Observed: 3.34 ft at 12:30PM May 31, 2023USGS--Water Resources of the United StatesNBRM3(plotting HGIRG) Graph Created (1:15PM May 31, 2023)ObservedLatest observed value: 3.34 ft at 12:30 PM EDT 31-May-2023. Flood Stage is 9 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Blackstone River at Northbridge are issued as needed during times of high water, but are not routinely available.
Return to Area Map
Downstream Gauge Downstream Gauge - at Woonsocket
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 12
Flood Stage: 9
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 16.74 ft on 08/20/1955
(2) 13.70 ft on 03/19/1936
(3) 13.65 ft on 10/15/2005
(4) 12.48 ft on 01/25/1979
(5) 11.36 ft on 09/12/1954
(6) 10.90 ft on 03/19/1968
(7) 10.70 ft on 03/10/1998
(8) 10.69 ft on 03/31/2010
(9) 10.54 ft on 09/08/2011
(10) 10.50 ft on 04/16/2007
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 10.43 ft on 09/02/2021 (P)
(2) 9.16 ft on 07/10/2021 (P)
(3) 9.11 ft on 01/25/2019
(4) 9.24 ft on 10/30/2017
(5) 10.54 ft on 09/08/2011
(6) 10.36 ft on 08/29/2011
(7) 9.32 ft on 03/07/2011
(8) 10.69 ft on 03/31/2010
(9) 9.40 ft on 02/26/2010
(10) 10.50 ft on 12/12/2008
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
16 Widespread flooding is expected along the river. Numerous residences along Main Street along and downstream of the Sutton Street Bridge will experience flooding.
13 This is a serious flood event. Flooding will spread into residences along the river on Main Street. Flooding will affect low lying areas from Northbridge to Millville. Buisnesses along the river should take the necessary actions to protect property along the river.
11 Flooding is expected along the river from Northbridge through Uxbridge and Millville. Flooding will affect some homes and businesses along the river in these towns.
9 Flooding of low lying areas along the river bank is likely between Northbridge and the Rhode Island and Massachusetts border.
About This Location Collapse

Latitude: 42.153707° N, Longitude: 71.652011° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 9 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 254.30 263.30 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other NULL NULL  

Current/Historical Observations:
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Boston / Norton Weather Forecast Office
46 Commerce Way
Norton, MA 02766
(508) 622-3250
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