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This probabilistic forecast is issued by the Northeast River Forecast Center.
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About this graph
Forecasts for the Mettawee River at Middle Granville are issued routinely year-round.
Return to Area Map

Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 10
Moderate Flood Stage: 8.5
Flood Stage: 7
Action Stage: 6
Low Stage (in feet): -9999

Historic Crests
(1) 15.04 ft on 08/29/2011
(2) 13.47 ft on 12/17/2000
(3) 11.25 ft on 01/24/1999
(4) 10.69 ft on 01/20/1996
(5) 10.68 ft on 01/08/1998
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 7.44 ft on 02/23/2022 (P)
(2) 7.60 ft on 02/18/2022 (P)
(3) 7.51 ft on 12/25/2020 (P)
(4) 7.43 ft on 11/01/2019 (P)
(5) 9.23 ft on 04/15/2019 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.81 ft on 09/07/1995
(2) 2.81 ft on 09/11/2002
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
10 Major flood stage. Water approaches County Route 12. Several feet of water on Upper Turnpike Road and Gray Lane. All low-lying fields underwater.
8.5 Moderate flood stage.
7 Minor flood stage. Widespread flooding of fields along the river. Water on Upper Turnpike Road and Gray Lane.
6 Action stage. Gray Road floods and affects access to one home.

Other Real-time and/or Archive Data Sources:
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.
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
Albany Weather Forecast Office
251 Fuller Road Suite B300
Albany, NY 12203-3650
(518) 435-9580
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