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Hydrograph River at a Glance Download
Long Island Sound at New Haven Stage (ft)NWHC3(plotting HMIRP) Graph Created (8:16AM Jul 17, 2019)Flood Stage is 8.6 ft
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Datum: Not Available
Reliability of the Forecast: Forecast data shown here are guidance values only. Please refer to your local NWS office.

NOTE: Forecasts are not available for the Long Island Sound at New Haven. Only observed stages are available for this point.

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Flood Categories (in feet)
Major Flood Stage: 10.5
Moderate Flood Stage: 9.2
Flood Stage: 8.6
Action Stage: 0
Low Stage (in feet): 0

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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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.
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If you notice any errors in the below information, please contact our Webmaster
11.6 Longshore Drive from LI sound becomes impassable with several feet of water. Two to three feet of inundation into roadway properties surrounding corner of Water Street and River Street along the West River.One to two feet of inundation across Long Wharf Drive and surrounding properties including IKEA shopping center.
9.6 Homes surrounded by water in East Haven. Water up to car windows on Cosey Beach Avenue. Several neighborhood roads in Silver Sands Beach 2 to 4 feet of inundation. New Haven, 2 to 3 feet of flooding on Middletown avenue in front of Petrillos used auto parts, just east of Quinnipiac River.
9.2 Two to three feet of flooding on Middletown Avenue in front of Petrillos used auto parts, just east of the Quinnipiac River.
8.6 East Haven, about 1 foot of inundation on Ellis Road. Minor inundation at Bruce and Johnson's West. Inundation onto Route 146 and Limewood Avenue. Minor inundation of Westland Avenue and Bayview Beach. Minor inundation of Middle Avenue.
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Latitude: 41.283300° N, Longitude: 72.908300° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8.6 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available 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 Not Available Not Available  

Current/Historical Observations:

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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
Upton Weather Forecast Office
175 Brookhaven Ave. Bldg. NWS-1
Upton, NY 11973
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Page last modified: 1-Mar-2019 12:35 AM
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