StormCast — Weather & Emergency Alerts

Ludlum Thorofare at Sea Isle City (IN MLLW)
New Jersey — Water Level & Flood Stage

Located in Cape May County, New Jersey on the Ludlum Thorofare. Live water level data from USGS gauge 01411350, 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

7.7 ft

Moderate Flood

6.7 ft

Minor Flood

5.7 ft

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

What Floods at Each Level

9.91 ft

(Mean Lower Low Water (MLLW)) The level reached on October 29, 2012 during Post Tropical Cyclone Sandy.

8.79 ft

(MLLW) The level reached on January 23, 2016.

8.49 ft

(MLLW) The level reached during the northeaster on December 11, 1992.

7.85 ft

(MLLW) The level reached on November 13, 2009.

7.7 ft

(MLLW) MAJOR FLOODING. At this level, flooding starts to become severe enough to begin causing structural damage along with widespread flooding of roadways in Sea Isle City and Strathmere. Vulnerable homes and businesses may be severely damaged as water levels rise further above this threshold. Numerous roads become impassable and some neighborhoods may be isolated. The flood waters become a danger to anyone who attempts to cross on foot or in a vehicle.

6.7 ft

(MLLW) MODERATE FLOODING. At this level, widespread flooding of roadways begins due to high water and/or wave action with many roads becoming impassable in Sea Isle City and Strathmere. Lives may be at risk when people put themselves in harm's way. Some damage to vulnerable structures may begin to occur. COASTAL FLOOD WARNING LEVEL.

6.5 ft

(MLLW) Flooding begins on Central Avenue in Sea Isle City.

6.3 ft

(MLLW) Flooding begins along Landis Avenue in Sea Isle City (around 29th Street). Flooding begins around the Townsends Inlet Bridge (Cape May County Route 619) between Sea Isle City and Avalon.

6.1 ft

(MLLW) Flooding begins in Strathmere.

6 ft

(MLLW) COASTAL FLOOD ADVISORY LEVEL.

5.7 ft

(MLLW) MINOR FLOODING.

Impact statements from the National Weather Service, describing what typically happens at each water level.

7-Day Water Level Chart

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View Official NWS Hydrograph →

Historic Crests

Date Stage Flow
Oct 28, 20129.91 ft
Oct 28, 20129.91 ft
Jan 22, 20168.79 ft
Jan 22, 20168.79 ft
Dec 10, 19928.49 ft

About This Gauge

USGS Site

01411350

NWS LID

SICN4

River

Ludlum Thorofare

County

Cape May, NJ

Coordinates

39.1578°N, 74.6978°W

Get Flood Alerts for Ludlum Thorofare

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.

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Frequently Asked Questions

What is the current water level of Ludlum Thorofare at Sea Isle City (IN MLLW)?

The Ludlum Thorofare at Sea Isle City (IN MLLW) gauge is maintained by USGS (site 01411350) 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 Ludlum Thorofare at Sea Isle City (IN MLLW)?

The NWS-defined flood stage for Ludlum Thorofare at Sea Isle City (IN MLLW) is 5.7 feet. Action stage begins at N/A feet. Moderate flooding starts at 6.7 feet, and major flooding at 7.7 feet.

How do I get alerts when Ludlum Thorofare rises?

Download StormCast free on Google Play, go to River Gauges, and add Ludlum Thorofare at Sea Isle City (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 Ludlum Thorofare at Sea Isle City (IN MLLW) gauge located?

The gauge is located in Cape May County, New Jersey at coordinates 39.1578°N, 74.6978°W. USGS site number: 01411350. Data is provided by the U.S. Geological Survey and the National Weather Service.

More Resources

Source & Notes

Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey