Long Island Sound near Bridgeport Harbor (IN MLLW)
Connecticut — Water Level & Flood Stage
Located in Fairfield County, Connecticut on the Long Island Sound. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: BRHC3). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
11.2 ft
Moderate Flood
10.2 ft
Minor Flood
8.7 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
13.3 ft
Igor Sikorsky Airport experiences inundation of both runways by a few feet with inundation reaching the terminal building.
11.4 ft
Fairfield, widespread moderate coastal flooding a half mile inland from shore.
10.4 ft
Numerous roads close near the shore in Bridgeport due to moderate flooding. In Norwalk, Water street under about 2 feet of water between Elizabeth and Concord Streets. In Westport, 1 to 2 feet of water on Hillspoint and Harbor Roads in the Compo Beach Area.
8.9 ft
Stratford, minor inundation into parking lot of Birdseye Marina just inside the mouth of the Housatonic River.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Oct 28, 2012 | 13.26 ft | — |
| Oct 28, 2012 | 13.26 ft | — |
| Aug 27, 2011 | 12.04 ft | — |
| Aug 27, 2011 | 12.04 ft | — |
| Oct 30, 1991 | 11.38 ft | — |
About This Gauge
NWS LID
BRHC3
River
Long Island Sound
County
Fairfield, CT
Coordinates
41.1758°N, 73.1840°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 near Bridgeport Harbor (IN MLLW)?
The Long Island Sound near Bridgeport Harbor (IN MLLW) gauge is maintained by USGS 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 near Bridgeport Harbor (IN MLLW)?
The NWS-defined flood stage for Long Island Sound near Bridgeport Harbor (IN MLLW) is 8.7 feet. Action stage begins at N/A feet. Moderate flooding starts at 10.2 feet, and major flooding at 11.2 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 near Bridgeport Harbor (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 near Bridgeport Harbor (IN MLLW) gauge located?
The gauge is located in Fairfield County, Connecticut at coordinates 41.1758°N, 73.1840°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
- <head> <style type="text/css"> .style1 { background-color: #FFFF00; } </style> </head> Tide Forecasts are a total water level forecast referenced to mean lower low water. Please refer to<span class="style1"> </span><a href="http://forecast.weather.gov/product.php?site=NWS&product=CFW&issuedby=OKX"><span class="style1">Coastal Flood Advisories and Warnings</span> </a>for official water level forecasts during periods of coastal flooding. During tropical cyclones, please refer<a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=OKX&product=TCV&format=CI&version=1&glossary=1"><span class="style1"> here</span></a> for additional storm surge information. Click<span class="style1"> </span> <a href="https://www.weather.gov/images/okx/coastalflood/Coastal%2520Flood%2520Threshold%2520Definitions.png"> <span class="style1">here for Flood Category definitions</span></a>.