StormCast — Weather & Emergency Alerts

Long Island Sound at Stamford (IN MLLW)
Connecticut — Water Level & Flood Stage

Located in Fairfield County, Connecticut on the Long Island Sound. Live water level data from USGS gauge 01209788, updated every 15 minutes.

Current Water Level

Gage Height

Loading...

Streamflow

Loading...

Last Reading

Loading...

Flood Stages

Major Flood

12.3 ft

Moderate Flood

10.9 ft

Minor Flood

9.3 ft

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

7-Day Water Level Chart

Loading chart data...

View Official NWS Hydrograph →

About This Gauge

USGS Site

01209788

NWS LID

STDC3

River

Long Island Sound

County

Fairfield, CT

Coordinates

41.0383°N, 73.5467°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.

Get it on Google Play

Frequently Asked Questions

What is the current water level of Long Island Sound at Stamford (IN MLLW)?

The Long Island Sound at Stamford (IN MLLW) gauge is maintained by USGS (site 01209788) 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 at Stamford (IN MLLW)?

The NWS-defined flood stage for Long Island Sound at Stamford (IN MLLW) is 9.3 feet. Action stage begins at N/A feet. Moderate flooding starts at 10.9 feet, and major flooding at 12.3 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 at Stamford (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 at Stamford (IN MLLW) gauge located?

The gauge is located in Fairfield County, Connecticut at coordinates 41.0383°N, 73.5467°W. USGS site number: 01209788. 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: Observations courtesy of U.S. Geological Survey