Long Island Sound above Lattingtown (IN MLLW)
New York — Water Level & Flood Stage
Located in Nassau County, New York on the Long Island Sound. Live water level data from USGS gauge 01302845, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
13.1 ft
Moderate Flood
11.1 ft
Minor Flood
10.1 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
7-Day Water Level Chart
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About This Gauge
USGS Site
NWS LID
LATN6
River
Long Island Sound
County
Nassau, NY
Coordinates
40.9050°N, 73.5933°W
Get Flood Alerts for Long Island Sound
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Long Island Sound above Lattingtown (IN MLLW)?
The Long Island Sound above Lattingtown (IN MLLW) gauge is maintained by USGS (site 01302845) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Long Island Sound above Lattingtown (IN MLLW)?
The NWS-defined flood stage for Long Island Sound above Lattingtown (IN MLLW) is 10.1 feet. Action stage begins at N/A feet. Moderate flooding starts at 11.1 feet, and major flooding at 13.1 feet.
How do I get alerts when Long Island Sound rises?
Download StormCast free on Google Play, go to River Gauges, and add Long Island Sound above Lattingtown (IN MLLW) to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Long Island Sound above Lattingtown (IN MLLW) gauge located?
The gauge is located in Nassau County, New York at coordinates 40.9050°N, 73.5933°W. USGS site number: 01302845. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Long Island Sound
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Gauge awaiting repair - automated readings are not available at this time.