Great Egg Harbor Bay at Ocean City (IN MLLW)
New Jersey — Water Level & Flood Stage
Located in Cape May County, New Jersey on the Great Egg Harbor Bay. Live water level data from USGS gauge 01411320, 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
7.3 ft
Moderate Flood
6.3 ft
Minor Flood
5.3 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
9.95 ft
(Mean Lower Low Water (MLLW)) The level reached during the northeaster on December 11, 1992.
9.31 ft
(MLLW) The level reached on October 29, 2012 during Post Tropical Cyclone Sandy.
7.75 ft
(MLLW) The level reached on January 23, 2016.
7.3 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 Ocean City and Somers Point. Vulnerable homes and businesses may be sevrely 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.
6.3 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 Ocean City and Somers Point. 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.
6.1 ft
(MLLW) Flooding begins along Longport Boulevard (NJ Route 152) between Somers Point and Longport, along Mays Landing Road in Somers Point (the section between US Route 9 and NJ Route 52), and on Ocean Drive leading to the north end of the Ocean City-Longport Bridge. Flooding begins on the access roads to the 34th Street bridge in Ocean City (Cape May County Route 623). Bayside flooding begins in Ocean City from 34th Street to 55th Street, including West Avenue.
5.7 ft
(MLLW) Flooding begins along Bay Avenue in Somers Point. Flooding begins in Strathmere.
5.6 ft
(MLLW) COASTAL FLOOD ADVISORY LEVEL.
5.3 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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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Dec 10, 1992 | 9.95 ft | — |
| Dec 10, 1992 | 9.95 ft | — |
| Oct 28, 2012 | 9.31 ft | — |
| Oct 28, 2012 | 9.31 ft | — |
| Jan 22, 2016 | 7.75 ft | — |
About This Gauge
USGS Site
NWS LID
ONCN4
River
Great Egg Harbor Bay
County
Cape May, NJ
Coordinates
39.2858°N, 74.5756°W
Get Flood Alerts for Great Egg Harbor Bay
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 Great Egg Harbor Bay at Ocean City (IN MLLW)?
The Great Egg Harbor Bay at Ocean City (IN MLLW) gauge is maintained by USGS (site 01411320) 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 Great Egg Harbor Bay at Ocean City (IN MLLW)?
The NWS-defined flood stage for Great Egg Harbor Bay at Ocean City (IN MLLW) is 5.3 feet. Action stage begins at N/A feet. Moderate flooding starts at 6.3 feet, and major flooding at 7.3 feet.
How do I get alerts when Great Egg Harbor Bay rises?
Download StormCast free on Google Play, go to River Gauges, and add Great Egg Harbor Bay at Ocean 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 Great Egg Harbor Bay at Ocean City (IN MLLW) gauge located?
The gauge is located in Cape May County, New Jersey at coordinates 39.2858°N, 74.5756°W. USGS site number: 01411320. 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
- <head> <meta charset="utf-8"> <style type="text/css"> .style1 {background-color: #FFFF00;} </style> </head> Please refer to our <a href="http://forecast.weather.gov/product.php?site=NWS&issuedby=PHI&product=CFW&format=CI&version=1&glossary=0"> <span class="style1">Coastal Hazard Message</span></a> for specific information regarding Coastal Flood Watches, Warnings and Advisories. Flood impacts are based on long-term averages. Actual impacts from any tidal flooding event may vary due to factors such as rainfall, wave action, and the number of tide cycles during which there is an onshore flow. During tropical cyclones, please refer <span class="style1"> <a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=PHI&product=TCV&format=CI&version=1&glossary=1">here</a></span> for additional storm surge information.
- <style type="text/css">.style1 { background-color: #FFFF00;}</style> During a Tropical Storm or Hurricane Watch or Warning, inundation mapping provided by the <a href="http://www.nhc.noaa.gov/"><span class="style1">National Hurricane Center</span> </a>reflects a reasonable worst case scenario. The experimental forecast above is the total water forecast that is expected to occur.