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Hydrograph River at a Glance Download
Connecticut River at Montague Stage (ft)Flow (kcfs)Observed: 11.4 ft at 12:00AM Mar 19, 2023Observed: 11.36 ft at 12:15AM Mar 19, 2023Observed: 11.37 ft at 12:30AM Mar 19, 2023Observed: 11.35 ft at 12:45AM Mar 19, 2023Observed: 11.35 ft at 12:46AM Mar 19, 2023Observed: 11.35 ft at 1:00AM Mar 19, 2023Observed: 11.35 ft at 1:15AM Mar 19, 2023Observed: 11.35 ft at 1:30AM Mar 19, 2023Observed: 11.34 ft at 1:45AM Mar 19, 2023Observed: 11.35 ft at 2:00AM Mar 19, 2023Observed: 11.33 ft at 2:15AM Mar 19, 2023Observed: 11.32 ft at 2:30AM Mar 19, 2023Observed: 11.31 ft at 2:45AM Mar 19, 2023Observed: 11.3 ft at 3:00AM Mar 19, 2023Observed: 11.27 ft at 3:15AM Mar 19, 2023Observed: 11.25 ft at 3:30AM Mar 19, 2023Observed: 11.26 ft at 3:45AM Mar 19, 2023Observed: 11.23 ft at 4:00AM Mar 19, 2023Observed: 11.19 ft at 4:15AM Mar 19, 2023Observed: 11.18 ft at 4:30AM Mar 19, 2023Observed: 11.17 ft at 4:45AM Mar 19, 2023Observed: 11.15 ft at 5:00AM Mar 19, 2023Observed: 11.17 ft at 5:15AM Mar 19, 2023Observed: 11.16 ft at 5:30AM Mar 19, 2023Observed: 11.18 ft at 5:45AM Mar 19, 2023Observed: 11.19 ft at 6:00AM Mar 19, 2023Observed: 11.16 ft at 6:15AM Mar 19, 2023Observed: 11.18 ft at 6:30AM Mar 19, 2023Observed: 11.17 ft at 6:45AM Mar 19, 2023Observed: 11.17 ft at 6:46AM Mar 19, 2023Observed: 11.17 ft at 7:00AM Mar 19, 2023Observed: 11.17 ft at 7:15AM Mar 19, 2023Observed: 11.17 ft at 7:30AM Mar 19, 2023Observed: 11.17 ft at 7:45AM Mar 19, 2023Observed: 11.15 ft at 8:00AM Mar 19, 2023Observed: 11.16 ft at 8:15AM Mar 19, 2023Observed: 11.17 ft at 8:30AM Mar 19, 2023Observed: 11.19 ft at 8:45AM Mar 19, 2023Observed: 11.17 ft at 9:00AM Mar 19, 2023Observed: 11.2 ft at 9:15AM Mar 19, 2023Observed: 11.2 ft at 9:30AM Mar 19, 2023Observed: 11.19 ft at 9:45AM Mar 19, 2023Observed: 11.18 ft at 10:00AM Mar 19, 2023Observed: 11.2 ft at 10:15AM Mar 19, 2023Observed: 11.19 ft at 10:30AM Mar 19, 2023Observed: 11.2 ft at 10:45AM Mar 19, 2023Observed: 11.17 ft at 11:00AM Mar 19, 2023Observed: 11.17 ft at 11:15AM Mar 19, 2023Observed: 11.15 ft at 11:30AM Mar 19, 2023Observed: 11.12 ft at 11:45AM Mar 19, 2023Observed: 11.14 ft at 12:00PM Mar 19, 2023Observed: 11.13 ft at 12:15PM Mar 19, 2023Observed: 11.12 ft at 12:30PM Mar 19, 2023Observed: 11.12 ft at 12:45PM Mar 19, 2023Observed: 11.12 ft at 1:00PM Mar 19, 2023Observed: 11.12 ft at 1:15PM Mar 19, 2023Observed: 11.1 ft at 1:30PM Mar 19, 2023Observed: 11.15 ft at 1:45PM Mar 19, 2023Observed: 11.31 ft at 2:00PM Mar 19, 2023Observed: 11.46 ft at 2:15PM Mar 19, 2023Observed: 11.57 ft at 2:30PM Mar 19, 2023Observed: 11.64 ft at 2:45PM Mar 19, 2023Observed: 11.67 ft at 3:00PM Mar 19, 2023Observed: 11.73 ft at 3:15PM Mar 19, 2023Observed: 11.76 ft at 3:30PM Mar 19, 2023Observed: 11.91 ft at 3:45PM Mar 19, 2023Observed: 12.06 ft at 4:00PM Mar 19, 2023Observed: 12.17 ft at 4:15PM Mar 19, 2023Observed: 12.26 ft at 4:30PM Mar 19, 2023Observed: 12.34 ft at 4:45PM Mar 19, 2023Observed: 12.41 ft at 5:00PM Mar 19, 2023Observed: 12.46 ft at 5:15PM Mar 19, 2023Observed: 12.48 ft at 5:30PM Mar 19, 2023Observed: 12.53 ft at 5:45PM Mar 19, 2023Observed: 12.53 ft at 6:00PM Mar 19, 2023Observed: 12.57 ft at 6:15PM Mar 19, 2023Observed: 12.58 ft at 6:30PM Mar 19, 2023Observed: 12.61 ft at 6:45PM Mar 19, 2023Observed: 12.61 ft at 6:46PM Mar 19, 2023Observed: 12.62 ft at 7:00PM Mar 19, 2023Observed: 12.64 ft at 7:15PM Mar 19, 2023Observed: 12.65 ft at 7:30PM Mar 19, 2023Observed: 12.64 ft at 7:45PM Mar 19, 2023Observed: 12.65 ft at 8:00PM Mar 19, 2023Observed: 12.68 ft at 8:15PM Mar 19, 2023Observed: 12.67 ft at 8:30PM Mar 19, 2023Observed: 12.7 ft at 8:45PM Mar 19, 2023Observed: 12.69 ft at 9:00PM Mar 19, 2023Observed: 12.71 ft at 9:15PM Mar 19, 2023Observed: 12.7 ft at 9:30PM Mar 19, 2023Observed: 12.71 ft at 9:45PM Mar 19, 2023Observed: 12.71 ft at 10:00PM Mar 19, 2023Observed: 12.71 ft at 10:15PM Mar 19, 2023Observed: 12.72 ft at 10:30PM Mar 19, 2023Observed: 12.7 ft at 10:45PM Mar 19, 2023Observed: 12.7 ft at 11:00PM Mar 19, 2023Observed: 12.72 ft at 11:15PM Mar 19, 2023Observed: 12.71 ft at 11:30PM Mar 19, 2023Observed: 12.72 ft at 11:45PM Mar 19, 2023Observed: 12.69 ft at 12:00AM Mar 20, 2023Observed: 12.72 ft at 12:15AM Mar 20, 2023Observed: 12.72 ft at 12:30AM Mar 20, 2023Observed: 12.74 ft at 12:45AM Mar 20, 2023Observed: 12.74 ft at 12:46AM Mar 20, 2023Observed: 12.75 ft at 1:00AM Mar 20, 2023Observed: 12.72 ft at 1:15AM Mar 20, 2023Observed: 12.74 ft at 1:30AM Mar 20, 2023Observed: 12.74 ft at 1:45AM Mar 20, 2023Observed: 12.74 ft at 2:00AM Mar 20, 2023Observed: 12.76 ft at 2:15AM Mar 20, 2023Observed: 12.76 ft at 2:30AM Mar 20, 2023Observed: 12.78 ft at 2:45AM Mar 20, 2023Observed: 12.78 ft at 3:00AM Mar 20, 2023Observed: 12.78 ft at 3:15AM Mar 20, 2023Observed: 12.78 ft at 3:30AM Mar 20, 2023Observed: 12.78 ft at 3:45AM Mar 20, 2023Observed: 12.78 ft at 4:00AM Mar 20, 2023Observed: 12.78 ft at 4:15AM Mar 20, 2023Observed: 12.77 ft at 4:30AM Mar 20, 2023Observed: 12.76 ft at 4:45AM Mar 20, 2023Observed: 12.77 ft at 5:00AM Mar 20, 2023Observed: 12.76 ft at 5:15AM Mar 20, 2023Observed: 12.77 ft at 5:30AM Mar 20, 2023Observed: 12.76 ft at 5:45AM Mar 20, 2023Observed: 12.75 ft at 6:00AM Mar 20, 2023Observed: 12.75 ft at 6:15AM Mar 20, 2023Observed: 12.78 ft at 6:30AM Mar 20, 2023Observed: 12.79 ft at 6:45AM Mar 20, 2023Observed: 12.78 ft at 7:00AM Mar 20, 2023Observed: 12.78 ft at 7:01AM Mar 20, 2023Observed: 12.82 ft at 7:15AM Mar 20, 2023Observed: 12.68 ft at 7:30AM Mar 20, 2023Observed: 12.57 ft at 7:45AM Mar 20, 2023Observed: 12.51 ft at 8:00AM Mar 20, 2023Observed: 12.46 ft at 8:15AM Mar 20, 2023Observed: 12.86 ft at 8:30AM Mar 20, 2023Observed: 13.43 ft at 8:45AM Mar 20, 2023Observed: 13.83 ft at 9:00AM Mar 20, 2023Observed: 14.08 ft at 9:15AM Mar 20, 2023Observed: 14.3 ft at 9:30AM Mar 20, 2023Observed: 14.44 ft at 9:45AM Mar 20, 2023Observed: 14.55 ft at 10:00AM Mar 20, 2023Observed: 14.64 ft at 10:15AM Mar 20, 2023Observed: 14.71 ft at 10:30AM Mar 20, 2023Highest Observation: 14.76 ft at 10:45AM Mar 20, 2023Observed: 14.64 ft at 11:00AM Mar 20, 2023Observed: 14.48 ft at 11:15AM Mar 20, 2023Observed: 14.4 ft at 11:30AM Mar 20, 2023Observed: 14.33 ft at 11:45AM Mar 20, 2023Observed: 14.31 ft at 12:00PM Mar 20, 2023Observed: 14.23 ft at 12:15PM Mar 20, 2023Observed: 14.2 ft at 12:30PM Mar 20, 2023Observed: 14.21 ft at 12:45PM Mar 20, 2023Observed: 14.13 ft at 1:00PM Mar 20, 2023Observed: 14.13 ft at 1:01PM Mar 20, 2023Observed: 13.95 ft at 1:15PM Mar 20, 2023Observed: 13.72 ft at 1:30PM Mar 20, 2023Observed: 13.53 ft at 1:45PM Mar 20, 2023Observed: 13.35 ft at 2:00PM Mar 20, 2023Observed: 13.21 ft at 2:15PM Mar 20, 2023Observed: 13.09 ft at 2:30PM Mar 20, 2023Observed: 12.99 ft at 2:45PM Mar 20, 2023Observed: 12.87 ft at 3:00PM Mar 20, 2023Observed: 12.71 ft at 3:15PM Mar 20, 2023Observed: 12.48 ft at 3:30PM Mar 20, 2023Observed: 12.28 ft at 3:45PM Mar 20, 2023Observed: 12.15 ft at 4:00PM Mar 20, 2023Observed: 12 ft at 4:15PM Mar 20, 2023Observed: 11.93 ft at 4:30PM Mar 20, 2023Observed: 11.82 ft at 4:45PM Mar 20, 2023Observed: 11.75 ft at 5:00PM Mar 20, 2023Observed: 11.7 ft at 5:15PM Mar 20, 2023Observed: 11.77 ft at 5:30PM Mar 20, 2023Observed: 11.86 ft at 5:45PM Mar 20, 2023Observed: 11.93 ft at 6:00PM Mar 20, 2023Observed: 11.97 ft at 6:15PM Mar 20, 2023Observed: 12 ft at 6:30PM Mar 20, 2023Observed: 12.03 ft at 6:45PM Mar 20, 2023Observed: 12.15 ft at 7:00PM Mar 20, 2023Observed: 12.15 ft at 7:01PM Mar 20, 2023Observed: 12.29 ft at 7:15PM Mar 20, 2023Observed: 12.38 ft at 7:30PM Mar 20, 2023Observed: 12.45 ft at 7:45PM Mar 20, 2023Observed: 12.53 ft at 8:00PM Mar 20, 2023Observed: 12.56 ft at 8:15PM Mar 20, 2023Observed: 12.61 ft at 8:30PM Mar 20, 2023Observed: 12.62 ft at 8:45PM Mar 20, 2023Observed: 12.62 ft at 9:00PM Mar 20, 2023Observed: 12.49 ft at 9:15PM Mar 20, 2023Observed: 12.37 ft at 9:30PM Mar 20, 2023Observed: 12.29 ft at 9:45PM Mar 20, 2023Observed: 12.24 ft at 10:00PM Mar 20, 2023Observed: 12.32 ft at 10:15PM Mar 20, 2023Observed: 12.4 ft at 10:30PM Mar 20, 2023Observed: 12.48 ft at 10:45PM Mar 20, 2023Observed: 12.52 ft at 11:00PM Mar 20, 2023Observed: 12.56 ft at 11:15PM Mar 20, 2023Observed: 12.6 ft at 11:30PM Mar 20, 2023Observed: 12.6 ft at 11:45PM Mar 20, 2023Observed: 12.63 ft at 12:00AM Mar 21, 2023Observed: 12.62 ft at 12:15AM Mar 21, 2023Observed: 12.65 ft at 12:30AM Mar 21, 2023Observed: 12.66 ft at 12:45AM Mar 21, 2023Observed: 12.67 ft at 1:00AM Mar 21, 2023Observed: 12.54 ft at 1:15AM Mar 21, 2023Observed: 12.42 ft at 1:30AM Mar 21, 2023Observed: 12.34 ft at 1:45AM Mar 21, 2023Observed: 12.27 ft at 2:00AM Mar 21, 2023Observed: 12.23 ft at 2:15AM Mar 21, 2023Observed: 12.2 ft at 2:30AM Mar 21, 2023Observed: 12.16 ft at 2:45AM Mar 21, 2023Observed: 12.14 ft at 3:00AM Mar 21, 2023Observed: 12.13 ft at 3:15AM Mar 21, 2023Observed: 12.12 ft at 3:30AM Mar 21, 2023Observed: 12.11 ft at 3:45AM Mar 21, 2023Observed: 12.21 ft at 4:00AM Mar 21, 2023Observed: 12.32 ft at 4:15AM Mar 21, 2023Observed: 12.41 ft at 4:30AM Mar 21, 2023Observed: 12.46 ft at 4:45AM Mar 21, 2023Observed: 12.5 ft at 5:00AM Mar 21, 2023Observed: 12.52 ft at 5:15AM Mar 21, 2023Observed: 12.55 ft at 5:30AM Mar 21, 2023Observed: 12.58 ft at 5:45AM Mar 21, 2023Observed: 12.56 ft at 6:00AM Mar 21, 2023Observed: 12.59 ft at 6:15AM Mar 21, 2023Observed: 12.57 ft at 6:30AM Mar 21, 2023Observed: 12.58 ft at 6:45AM Mar 21, 2023Observed: 12.6 ft at 7:00AM Mar 21, 2023Observed: 12.6 ft at 7:01AM Mar 21, 2023Observed: 12.6 ft at 7:15AM Mar 21, 2023Observed: 12.62 ft at 7:30AM Mar 21, 2023Observed: 12.64 ft at 7:45AM Mar 21, 2023Observed: 12.63 ft at 8:00AM Mar 21, 2023Observed: 12.61 ft at 8:15AM Mar 21, 2023Observed: 12.62 ft at 8:30AM Mar 21, 2023Observed: 12.62 ft at 8:45AM Mar 21, 2023Observed: 12.61 ft at 9:00AM Mar 21, 2023Observed: 12.61 ft at 9:15AM Mar 21, 2023Observed: 12.62 ft at 9:30AM Mar 21, 2023Observed: 12.62 ft at 9:45AM Mar 21, 2023Observed: 12.6 ft at 10:00AM Mar 21, 2023Observed: 12.62 ft at 10:15AM Mar 21, 2023Observed: 12.62 ft at 10:30AM Mar 21, 2023Observed: 12.61 ft at 10:45AM Mar 21, 2023Observed: 12.61 ft at 11:00AM Mar 21, 2023Observed: 12.62 ft at 11:15AM Mar 21, 2023Observed: 12.62 ft at 11:30AM Mar 21, 2023Observed: 12.64 ft at 11:45AM Mar 21, 2023Observed: 12.62 ft at 12:00PM Mar 21, 2023Observed: 12.61 ft at 12:15PM Mar 21, 2023Observed: 12.64 ft at 12:30PM Mar 21, 2023Observed: 12.61 ft at 12:45PM Mar 21, 2023Observed: 12.62 ft at 1:00PM Mar 21, 2023Observed: 12.62 ft at 1:01PM Mar 21, 2023Observed: 12.59 ft at 1:15PM Mar 21, 2023Observed: 12.59 ft at 1:30PM Mar 21, 2023Observed: 12.57 ft at 1:45PM Mar 21, 2023Observed: 12.59 ft at 2:00PM Mar 21, 2023Observed: 12.56 ft at 2:15PM Mar 21, 2023Observed: 12.59 ft at 2:30PM Mar 21, 2023Observed: 12.6 ft at 2:45PM Mar 21, 2023Observed: 12.57 ft at 3:00PM Mar 21, 2023Observed: 12.6 ft at 3:15PM Mar 21, 2023Observed: 12.59 ft at 3:30PM Mar 21, 2023Observed: 12.6 ft at 3:45PM Mar 21, 2023Observed: 12.58 ft at 4:00PM Mar 21, 2023Observed: 12.6 ft at 4:15PM Mar 21, 2023Observed: 12.63 ft at 4:30PM Mar 21, 2023Observed: 12.62 ft at 4:45PM Mar 21, 2023Observed: 12.62 ft at 5:00PM Mar 21, 2023Observed: 12.64 ft at 5:15PM Mar 21, 2023Observed: 12.63 ft at 5:30PM Mar 21, 2023Observed: 12.64 ft at 5:45PM Mar 21, 2023Observed: 12.63 ft at 6:00PM Mar 21, 2023Observed: 12.64 ft at 6:15PM Mar 21, 2023Observed: 12.63 ft at 6:30PM Mar 21, 2023Observed: 12.61 ft at 6:45PM Mar 21, 2023Observed: 12.59 ft at 7:00PM Mar 21, 2023Observed: 12.61 ft at 7:15PM Mar 21, 2023Observed: 12.59 ft at 7:30PM Mar 21, 2023Observed: 12.59 ft at 7:45PM Mar 21, 2023Observed: 12.57 ft at 8:00PM Mar 21, 2023Observed: 12.55 ft at 8:15PM Mar 21, 2023Observed: 12.56 ft at 8:30PM Mar 21, 2023Observed: 12.53 ft at 8:45PM Mar 21, 2023Observed: 12.54 ft at 9:00PM Mar 21, 2023Observed: 12.41 ft at 9:15PM Mar 21, 2023Observed: 12.28 ft at 9:30PM Mar 21, 2023Observed: 12.2 ft at 9:45PM Mar 21, 2023Observed: 12.14 ft at 10:00PM Mar 21, 2023Observed: 12.09 ft at 10:15PM Mar 21, 2023Observed: 12.04 ft at 10:30PM Mar 21, 2023Forecast: 12.6 ft 2:00AM Mar 22, 2023Forecast: 12.5 ft 8:00AM Mar 22, 2023Forecast: 12.5 ft 2:00PM Mar 22, 2023Forecast: 12.4 ft 8:00PM Mar 22, 2023Forecast: 12.5 ft 2:00AM Mar 23, 2023Forecast: 12.7 ft 8:00AM Mar 23, 2023Forecast: 12.9 ft 2:00PM Mar 23, 2023Forecast: 13.3 ft 8:00PM Mar 23, 2023Forecast: 14.2 ft 2:00AM Mar 24, 2023Highest Forecast: 15.2 ft 8:00AM Mar 24, 2023USGS--Water Resources of the United StatesMNTM3(plotting HGIRG) Graph Created (11:45PM Mar 21, 2023)ObservedForecast (issued 11:19AM Mar 21)Latest observed value: 12.04 ft at 10:30 PM EDT 21-Mar-2023. Flood Stage is 28 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Gauge reading affected by power generation.

NOTE: Forecasts for the Connecticut River at Montague are issued routinely year-round.

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Upstream Gauge - at North Walpole Upstream Gauge Downstream Gauge Downstream Gauge - at Northampton
Flood Categories (in feet)
Major Flood Stage: 40
Moderate Flood Stage: 32
Flood Stage: 28
Action Stage: 26
Low Stage (in feet): -9999

Historic Crests
(1) 49.20 ft on 03/19/1936
(2) 44.74 ft on 09/22/1938
(3) 38.17 ft on 05/31/1984
(4) 38.13 ft on 04/06/1960
(5) 37.76 ft on 12/31/1948
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 28.52 ft on 04/16/2019
(2) 28.75 ft on 02/26/2016
(3) 28.39 ft on 04/17/2014
(4) 35.91 ft on 08/29/2011
(5) 29.43 ft on 04/13/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
44 This is a dangerous flood situation. Areas along the reach of the Connecticut River from the Vermont border to Northampton should prepare for widespread flooding. If you are asked to evacuate, do so immediately.
40 Widespread river flooding is expected from Deerfield and Montague City south through Whately and Sunderland. Take action now to protect life and property. Follow the directions of your emergency management officials. If asked to evacuate, do so immediately.
37 Flooding will expand into portions of Montague and Greenfield downstream through Sunderland and Whately. Some residential areas may become inundated and localized road closures may be needed.
35 Flooding will expand into portions of Montague and Greenfield downstream through Sunderland and Whately. Some residential areas may become inundated and localized road closures may be needed.
33 Flooding of low lying areas outside of levee protection is likely from Greenfield and Montague downstream through Hatfield.
31 Flooding of low lying areas outside of levee protection is likely from Greenfield through Hatfield.
30 Flooding of low lying areas outside of levee protection is likely from Greenfield through Hatfield.
29 Flooding of low lying areas is expected primarily from Montague downstream through Sunderland and Whately.
28 Minor flooding is expected to overspread some of the farmland along the river from the Vermont border downstream through Hatfield and Hadley. Farming interests should take the necessary precautions to protect livestock and equipment.
About This Location Collapse

Latitude: 42.580222° N, Longitude: 72.574500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 28 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 99.32 127.32 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
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46 Commerce Way
Norton, MA 02766
(508) 622-3250
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