Major Flood
8.2 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
7.2 ft
Minor Flood
6.2 ft
What Floods at Each Level
9.36 ft
(Mean Lower Low Water (MLLW)) The level reached on January 23, 2016.
8.67 ft
(MLLW) The level reached on October 29, 2012 during Post Tropical Cyclone Sandy.
8.2 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 Wildwood Crest, Cape May and West Cape May. 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.
7.2 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 Wildwood Crest, Cape May and West Cape May. 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.
7 ft
(MLLW) Flooding begins on the access roads to the Ocean Drive bridge between Wildwood Crest and Cape May (Cape May County Route 621). Flooding begins along Beach Avenue, New Jersey Avenue and Wilmington Avenue in Cape May. Flooding begins around the Elmira Street bridge in Cape May. Flooding begins near Myrtle Avenue in West Cape May.
6.8 ft
(MLLW) Flooding begins along Park Boulevard in Wildwood Crest. Flooding beings along Schellengers Landing Road and along Wilson Drive in Lower Township near NJ Route 109. Flooding begins along Washington Street, Yacht Avenue and Texas Avenue in Cape May.
6.5 ft
(MLLW) COASTAL FLOOD ADVISORY LEVEL.
6.2 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 |
|---|---|---|
| Jan 22, 2016 | 9.36 ft | -9,999 cfs |
| Oct 28, 2012 | 8.67 ft | — |
| Aug 26, 2011 | 7.92 ft | — |
About This Gauge
USGS Site
NWS LID
CAPN4
River
Cape May Harbor
County
Cape May, NJ
Coordinates
38.9483°N, 74.8889°W
Get Flood Alerts for Cape May Harbor
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 Cape May Harbor at Cape May Harbor (IN MLLW)?
The Cape May Harbor at Cape May Harbor (IN MLLW) gauge is maintained by USGS (site 01411390) 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 Cape May Harbor at Cape May Harbor (IN MLLW)?
The NWS-defined flood stage for Cape May Harbor at Cape May Harbor (IN MLLW) is 6.2 feet. Action stage begins at N/A feet. Moderate flooding starts at 7.2 feet, and major flooding at 8.2 feet.
How do I get alerts when Cape May Harbor rises?
Download StormCast free on Google Play, go to River Gauges, and add Cape May Harbor at Cape May 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.
Where is the Cape May Harbor at Cape May Harbor (IN MLLW) gauge located?
The gauge is located in Cape May County, New Jersey at coordinates 38.9483°N, 74.8889°W. USGS site number: 01411390. 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.