Long Island Sound above Lattingtown (IN MLLW) Water Level

Current Water Level

Gage Height

Streamflow

Last Reading

FLOOD STAGES

Know the flood categories.

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

Major Flood

13.1 ft

Moderate Flood

11.1 ft

Minor Flood

10.1 ft

7-Day Water Level Chart

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About This Gauge

USGS Site

01302845

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.

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

Long Island Sound at Rye (IN MLLW) Long Island Sound at Sands Point (IN MLLW)

More Resources

New York River Gauges River Level App Flood Alerts Understanding River Flood Levels Flash Flood Warnings Tornado Alerts

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.

Long Island Sound above Lattingtown (IN MLLW) Water Level & Flood Stage.