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Hydrograph River at a Glance Download
Long Island Sound above Lattingtown Tide Height (ft)Observed: 8.84 ft at 12:02PM May 08, 2024Observed: 8.84 ft at 12:06PM May 08, 2024Observed: 8.92 ft at 12:08PM May 08, 2024Observed: 8.92 ft at 12:12PM May 08, 2024Observed: 8.98 ft at 12:18PM May 08, 2024Observed: 9.03 ft at 12:24PM May 08, 2024Observed: 9.06 ft at 12:30PM May 08, 2024Observed: 9.07 ft at 12:36PM May 08, 2024Observed: 9.06 ft at 12:42PM May 08, 2024Observed: 9.02 ft at 12:48PM May 08, 2024Observed: 8.99 ft at 12:54PM May 08, 2024Observed: 8.94 ft at 1:00PM May 08, 2024Observed: 8.9 ft at 1:06PM May 08, 2024Observed: 8.85 ft at 1:12PM May 08, 2024Observed: 8.8 ft at 1:18PM May 08, 2024Observed: 8.75 ft at 1:24PM May 08, 2024Observed: 8.69 ft at 1:30PM May 08, 2024Observed: 8.63 ft at 1:36PM May 08, 2024Observed: 8.56 ft at 1:42PM May 08, 2024Observed: 8.49 ft at 1:48PM May 08, 2024Observed: 8.41 ft at 1:54PM May 08, 2024Observed: 8.32 ft at 2:00PM May 08, 2024Observed: 8.23 ft at 2:06PM May 08, 2024Observed: 8.13 ft at 2:12PM May 08, 2024Observed: 8.03 ft at 2:18PM May 08, 2024Observed: 7.92 ft at 2:24PM May 08, 2024Observed: 7.8 ft at 2:30PM May 08, 2024Observed: 7.68 ft at 2:36PM May 08, 2024Observed: 7.55 ft at 2:42PM May 08, 2024Observed: 7.42 ft at 2:48PM May 08, 2024Observed: 7.28 ft at 2:54PM May 08, 2024Observed: 7.13 ft at 3:00PM May 08, 2024Observed: 6.98 ft at 3:06PM May 08, 2024Observed: 6.82 ft at 3:12PM May 08, 2024Observed: 6.67 ft at 3:18PM May 08, 2024Observed: 6.52 ft at 3:24PM May 08, 2024Observed: 6.37 ft at 3:30PM May 08, 2024Observed: 6.23 ft at 3:36PM May 08, 2024Observed: 6.08 ft at 3:42PM May 08, 2024Observed: 5.94 ft at 3:48PM May 08, 2024Observed: 5.79 ft at 3:54PM May 08, 2024Observed: 5.65 ft at 4:00PM May 08, 2024Observed: 5.52 ft at 4:06PM May 08, 2024Observed: 5.38 ft at 4:12PM May 08, 2024Observed: 5.24 ft at 4:18PM May 08, 2024Observed: 5.09 ft at 4:24PM May 08, 2024Observed: 4.94 ft at 4:30PM May 08, 2024Observed: 4.8 ft at 4:36PM May 08, 2024Observed: 4.65 ft at 4:42PM May 08, 2024Observed: 4.51 ft at 4:48PM May 08, 2024Observed: 4.38 ft at 4:54PM May 08, 2024Observed: 4.25 ft at 5:00PM May 08, 2024Observed: 4.14 ft at 5:06PM May 08, 2024Observed: 4.03 ft at 5:12PM May 08, 2024Observed: 3.93 ft at 5:18PM May 08, 2024Observed: 3.83 ft at 5:24PM May 08, 2024Observed: 3.75 ft at 5:30PM May 08, 2024Observed: 3.67 ft at 5:36PM May 08, 2024Observed: 3.6 ft at 5:42PM May 08, 2024Observed: 3.54 ft at 5:48PM May 08, 2024Observed: 3.48 ft at 5:54PM May 08, 2024Observed: 3.43 ft at 6:00PM May 08, 2024Observed: 3.37 ft at 6:02PM May 08, 2024Observed: 3.37 ft at 6:06PM May 08, 2024Observed: 3.33 ft at 6:08PM May 08, 2024Observed: 3.33 ft at 6:12PM May 08, 2024Observed: 3.29 ft at 6:18PM May 08, 2024Observed: 3.25 ft at 6:24PM May 08, 2024Observed: 3.21 ft at 6:30PM May 08, 2024Observed: 3.18 ft at 6:36PM May 08, 2024Observed: 3.15 ft at 6:42PM May 08, 2024Observed: 3.13 ft at 6:48PM May 08, 2024Observed: 3.1 ft at 6:54PM May 08, 2024Observed: 3.08 ft at 7:00PM May 08, 2024Observed: 3.07 ft at 7:06PM May 08, 2024Observed: 3.05 ft at 7:12PM May 08, 2024Observed: 3.03 ft at 7:18PM May 08, 2024Observed: 3.01 ft at 7:24PM May 08, 2024Observed: 2.99 ft at 7:30PM May 08, 2024Observed: 2.97 ft at 7:36PM May 08, 2024Observed: 2.96 ft at 7:42PM May 08, 2024Observed: 2.96 ft at 7:48PM May 08, 2024Observed: 2.95 ft at 7:54PM May 08, 2024Observed: 2.95 ft at 8:00PM May 08, 2024Observed: 2.93 ft at 8:06PM May 08, 2024Observed: 2.92 ft at 8:12PM May 08, 2024Observed: 2.92 ft at 8:18PM May 08, 2024Observed: 2.91 ft at 8:24PM May 08, 2024Observed: 2.9 ft at 8:30PM May 08, 2024Observed: 2.9 ft at 8:36PM May 08, 2024Observed: 2.9 ft at 8:42PM May 08, 2024Observed: 2.93 ft at 8:48PM May 08, 2024Observed: 2.99 ft at 8:54PM May 08, 2024Observed: 3.1 ft at 9:00PM May 08, 2024Observed: 3.32 ft at 9:06PM May 08, 2024Observed: 3.61 ft at 9:12PM May 08, 2024Observed: 3.92 ft at 9:18PM May 08, 2024Observed: 4.22 ft at 9:24PM May 08, 2024Observed: 4.51 ft at 9:30PM May 08, 2024Observed: 4.78 ft at 9:36PM May 08, 2024Observed: 5.03 ft at 9:42PM May 08, 2024Observed: 5.26 ft at 9:48PM May 08, 2024Observed: 5.48 ft at 9:54PM May 08, 2024Observed: 5.68 ft at 10:00PM May 08, 2024Observed: 5.88 ft at 10:06PM May 08, 2024Observed: 6.08 ft at 10:12PM May 08, 2024Observed: 6.31 ft at 10:18PM May 08, 2024Observed: 6.53 ft at 10:24PM May 08, 2024Observed: 6.76 ft at 10:30PM May 08, 2024Observed: 6.98 ft at 10:36PM May 08, 2024Observed: 7.22 ft at 10:42PM May 08, 2024Observed: 7.44 ft at 10:48PM May 08, 2024Observed: 7.66 ft at 10:54PM May 08, 2024Observed: 7.83 ft at 11:00PM May 08, 2024Observed: 8 ft at 11:06PM May 08, 2024Observed: 8.2 ft at 11:12PM May 08, 2024Observed: 8.38 ft at 11:18PM May 08, 2024Observed: 8.55 ft at 11:24PM May 08, 2024Observed: 8.74 ft at 11:30PM May 08, 2024Observed: 8.93 ft at 11:36PM May 08, 2024Observed: 9.09 ft at 11:42PM May 08, 2024Observed: 9.27 ft at 11:48PM May 08, 2024Observed: 9.43 ft at 11:54PM May 08, 2024Observed: 9.57 ft at 12:00AM May 09, 2024Observed: 9.72 ft at 12:01AM May 09, 2024Observed: 9.72 ft at 12:06AM May 09, 2024Observed: 9.86 ft at 12:07AM May 09, 2024Observed: 9.86 ft at 12:12AM May 09, 2024Observed: 9.97 ft at 12:13AM May 09, 2024Observed: 9.97 ft at 12:14AM May 09, 2024Observed: 9.97 ft at 12:18AM May 09, 2024Observed: 10.08 ft at 12:19AM May 09, 2024Observed: 10.08 ft at 12:20AM May 09, 2024Observed: 10.08 ft at 12:24AM May 09, 2024Observed: 10.16 ft at 12:25AM May 09, 2024Observed: 10.16 ft at 12:26AM May 09, 2024Observed: 10.16 ft at 12:30AM May 09, 2024Observed: 10.22 ft at 12:31AM May 09, 2024Observed: 10.22 ft at 12:36AM May 09, 2024Observed: 10.26 ft at 12:37AM May 09, 2024Observed: 10.26 ft at 12:42AM May 09, 2024Highest Observation: 10.28 ft at 12:43AM May 09, 2024Highest Observation: 10.28 ft at 12:48AM May 09, 2024Observed: 10.26 ft at 12:49AM May 09, 2024Observed: 10.26 ft at 12:50AM May 09, 2024Observed: 10.26 ft at 12:54AM May 09, 2024Observed: 10.22 ft at 12:56AM May 09, 2024Observed: 10.22 ft at 1:00AM May 09, 2024Observed: 10.17 ft at 1:01AM May 09, 2024Observed: 10.17 ft at 1:06AM May 09, 2024Observed: 10.11 ft at 1:08AM May 09, 2024Observed: 10.11 ft at 1:12AM May 09, 2024Observed: 10.06 ft at 1:14AM May 09, 2024Observed: 10.06 ft at 1:18AM May 09, 2024Observed: 10 ft at 1:24AM May 09, 2024Observed: 9.95 ft at 1:30AM May 09, 2024Observed: 9.88 ft at 1:36AM May 09, 2024Observed: 9.8 ft at 1:42AM May 09, 2024Observed: 9.72 ft at 1:48AM May 09, 2024Observed: 9.63 ft at 1:54AM May 09, 2024Observed: 9.54 ft at 2:00AM May 09, 2024Observed: 9.44 ft at 2:06AM May 09, 2024Observed: 9.34 ft at 2:12AM May 09, 2024Observed: 9.23 ft at 2:18AM May 09, 2024Observed: 9.12 ft at 2:24AM May 09, 2024Observed: 9 ft at 2:30AM May 09, 2024Observed: 8.88 ft at 2:36AM May 09, 2024Observed: 8.75 ft at 2:42AM May 09, 2024Observed: 8.62 ft at 2:48AM May 09, 2024Observed: 8.49 ft at 2:54AM May 09, 2024Observed: 8.36 ft at 3:00AM May 09, 2024Observed: 8.22 ft at 3:06AM May 09, 2024Observed: 8.08 ft at 3:12AM May 09, 2024Observed: 7.94 ft at 3:18AM May 09, 2024Observed: 7.79 ft at 3:24AM May 09, 2024Observed: 7.64 ft at 3:30AM May 09, 2024Observed: 7.49 ft at 3:36AM May 09, 2024Observed: 7.32 ft at 3:42AM May 09, 2024Observed: 7.16 ft at 3:48AM May 09, 2024Observed: 6.99 ft at 3:54AM May 09, 2024Observed: 6.82 ft at 4:00AM May 09, 2024Observed: 6.66 ft at 4:06AM May 09, 2024Observed: 6.5 ft at 4:12AM May 09, 2024Observed: 6.34 ft at 4:18AM May 09, 2024Observed: 6.19 ft at 4:24AM May 09, 2024Observed: 6.04 ft at 4:30AM May 09, 2024Observed: 5.89 ft at 4:36AM May 09, 2024Observed: 5.74 ft at 4:42AM May 09, 2024Observed: 5.6 ft at 4:48AM May 09, 2024Observed: 5.46 ft at 4:54AM May 09, 2024Observed: 5.32 ft at 5:00AM May 09, 2024Observed: 5.18 ft at 5:06AM May 09, 2024Observed: 5.03 ft at 5:12AM May 09, 2024Observed: 4.88 ft at 5:18AM May 09, 2024Observed: 4.73 ft at 5:24AM May 09, 2024Observed: 4.59 ft at 5:30AM May 09, 2024Observed: 4.45 ft at 5:36AM May 09, 2024Observed: 4.32 ft at 5:42AM May 09, 2024Observed: 4.2 ft at 5:48AM May 09, 2024Observed: 4.08 ft at 5:54AM May 09, 2024Observed: 3.98 ft at 6:00AM May 09, 2024Observed: 3.88 ft at 6:06AM May 09, 2024Observed: 3.79 ft at 6:12AM May 09, 2024Observed: 3.71 ft at 6:18AM May 09, 2024Observed: 3.64 ft at 6:24AM May 09, 2024Observed: 3.57 ft at 6:30AM May 09, 2024Observed: 3.51 ft at 6:36AM May 09, 2024Observed: 3.46 ft at 6:42AM May 09, 2024Observed: 3.41 ft at 6:48AM May 09, 2024Observed: 3.36 ft at 6:54AM May 09, 2024Observed: 3.32 ft at 7:00AM May 09, 2024Observed: 3.28 ft at 7:06AM May 09, 2024Observed: 3.24 ft at 7:12AM May 09, 2024Observed: 3.2 ft at 7:14AM May 09, 2024Observed: 3.2 ft at 7:18AM May 09, 2024Observed: 3.17 ft at 7:20AM May 09, 2024Observed: 3.17 ft at 7:24AM May 09, 2024Observed: 3.14 ft at 7:30AM May 09, 2024Observed: 3.11 ft at 7:36AM May 09, 2024Observed: 3.09 ft at 7:42AM May 09, 2024Observed: 3.07 ft at 7:48AM May 09, 2024Observed: 3.05 ft at 7:54AM May 09, 2024Observed: 3.03 ft at 8:00AM May 09, 2024Observed: 3.01 ft at 8:06AM May 09, 2024Observed: 2.99 ft at 8:12AM May 09, 2024Observed: 2.98 ft at 8:18AM May 09, 2024Observed: 2.96 ft at 8:24AM May 09, 2024Observed: 2.95 ft at 8:30AM May 09, 2024Observed: 2.94 ft at 8:36AM May 09, 2024Observed: 2.93 ft at 8:42AM May 09, 2024Observed: 2.92 ft at 8:48AM May 09, 2024Observed: 2.91 ft at 8:54AM May 09, 2024Observed: 2.9 ft at 9:00AM May 09, 2024Observed: 2.89 ft at 9:06AM May 09, 2024Observed: 2.88 ft at 9:12AM May 09, 2024Observed: 2.87 ft at 9:18AM May 09, 2024Observed: 2.87 ft at 9:24AM May 09, 2024Observed: 2.86 ft at 9:30AM May 09, 2024Observed: 2.85 ft at 9:36AM May 09, 2024Observed: 2.85 ft at 9:42AM May 09, 2024Observed: 2.84 ft at 9:48AM May 09, 2024Observed: 2.86 ft at 9:54AM May 09, 2024Observed: 2.91 ft at 10:00AM May 09, 2024Observed: 3.04 ft at 10:06AM May 09, 2024Observed: 3.32 ft at 10:12AM May 09, 2024Observed: 3.69 ft at 10:18AM May 09, 2024Observed: 4.05 ft at 10:24AM May 09, 2024Observed: 4.37 ft at 10:30AM May 09, 2024Observed: 4.66 ft at 10:36AM May 09, 2024Observed: 4.93 ft at 10:42AM May 09, 2024Observed: 5.18 ft at 10:48AM May 09, 2024Observed: 5.4 ft at 10:54AM May 09, 2024Observed: 5.61 ft at 11:00AM May 09, 2024Observed: 5.81 ft at 11:06AM May 09, 2024Observed: 6 ft at 11:12AM May 09, 2024Observed: 6.21 ft at 11:18AM May 09, 2024Observed: 6.43 ft at 11:24AM May 09, 2024Observed: 6.63 ft at 11:30AM May 09, 2024Observed: 6.81 ft at 11:36AM May 09, 2024Observed: 7.01 ft at 11:42AM May 09, 2024USGS--Water Resources of the United StatesLATN6(plotting HMIRG) Graph Created (12:01PM May 9, 2024)ObservedLatest observed value: 7.01 ft at 11:42 AM EDT 9-May-2024. Flood Stage is 10.1 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
Reliability of the Forecast: Forecast data shown here are guidance values only. Please refer to your local NWS office.

NOTE: Graphical forecasts are not available for the Long Island Sound above Lattingtown. During times of high water, forecast crest information can be found in the text products.

Vertical Datum references a tidal datum (MLLW). For more information click on USGS link below.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 13.1
Moderate Flood Stage: 11.1
Flood Stage: 10.1
Action Stage: 0
Low Stage (in feet): -1.8

Historic Crests
Currently none available.

Recent Crests
Currently none available.

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.
About This Location Collapse

Latitude: 40.905000° N, Longitude: 73.593333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10.1 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 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
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Upton Weather Forecast Office
175 Brookhaven Ave. Bldg. NWS-1
Upton, NY 11973
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Page last modified: 2-Nov-2020 7:30 PM
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