Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Navigation Bar End Cap


This probabilistic forecast is issued by the Northeast River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Black River at Watertown are issued routinely year-round.
Return to Area Map

Upstream Gauge - at Boonville Upstream Gauge
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 12
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 16.02 ft on 01/10/1998
(2) 14.20 ft on 04/12/1993
(3) 13.81 ft on 04/17/2014
(4) 13.15 ft on 01/01/1985
(5) 13.01 ft on 12/31/1984
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 10.13 ft on 03/29/2021
(2) 10.51 ft on 04/08/2017
(3) 13.81 ft on 04/17/2014
(4) 12.70 ft on 04/30/2011
(5) 10.74 ft on 04/13/2008
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.81 ft on 09/02/1934
(2) 0.90 ft on 07/11/1971
(3) 1.50 ft on 08/15/1996
KML Image
Gauge LocationGauge Map Marker
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
14 Major flood, heavy commercial, industrial, and residential damages in Watertown, Carthage, and Dexter. Flooding on Huntington Street and River Street in Watertown.
12 Moderate flood, widespread farmland flooding in the Flats. Numerous road closures in Castorland, Denmark, Lowville, and Carthage. Some residential properties flooded in the Flats.
10 Flood stage, farmland flooding begins in the Flats with some roads flooded. Minor damages to riverfront commercial properties in Dexter.
8 Action stage, minor agricultural flooding in the Flats area near Castorland and Croghan.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
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 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.

Click individual graphics to enlarge.

Observations Courtesy of the U.S. Geological Survey.
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
Buffalo Weather Forecast Office
587 Aero Drive
Buffalo, NY 14225-1405
(716) 565-0204
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:30 PM
Privacy Policy
About Us
Career Opportunities