StormCast — Weather & Emergency Alerts

Shark River at Belmar (IN MLLW)
New Jersey — Water Level & Flood Stage

Located in Monmouth County, New Jersey on the Shark River. Live water level data from USGS gauge 01407770, 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

7.9 ft

Moderate Flood

6.9 ft

Minor Flood

5.9 ft

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

What Floods at Each Level

13.22 ft

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

8.62 ft

(MLLW) The level reached on August 28, 2011 during Hurricane Irene.

8.35 ft

(MLLW) The level reached on October 27, 2018.

7.9 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 Deal, Allenhurst, Loch Arbour Village, Asbury Park, Ocean Grove, Neptune Township, Bradley Beach, Avon, Belmar and Spring Lake. Vulnerable homes and businesses may be severely damaged or destroyed as water levels rise further above this threshold. Numerous roads become impassable and some neighborhoods may be isolated.

6.9 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 Deal, Allenhurst, Loch Arbour Village, Asbury Park, Ocean Grove, Neptune Township, Bradley Beach, Avon, Belmar and Spring Lake. 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 occurs around the bridge between Neptune City and Shark River Hills (Neptune Township).

6.2 ft

(MLLW) COASTAL FLOOD ADVISORY LEVEL.

6.1 ft

(MLLW) Flooding begins in Asbury Park, Ocean Grove, Neptune Township, Bradley Beach, Avon, Belmar and Spring Lake.

5.9 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, 201213.22 ft
Oct 28, 201213.22 ft
Aug 27, 20118.62 ft
Aug 27, 20118.62 ft
Oct 26, 20188.35 ft

About This Gauge

USGS Site

01407770

NWS LID

BLMN4

River

Shark River

County

Monmouth, NJ

Coordinates

40.1856°N, 74.0261°W

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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 Shark River at Belmar (IN MLLW)?

The Shark River at Belmar (IN MLLW) gauge is maintained by USGS (site 01407770) 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 Shark River at Belmar (IN MLLW)?

The NWS-defined flood stage for Shark River at Belmar (IN MLLW) is 5.9 feet. Action stage begins at N/A feet. Moderate flooding starts at 6.9 feet, and major flooding at 7.9 feet.

How do I get alerts when Shark River rises?

Download StormCast free on Google Play, go to River Gauges, and add Shark River at Belmar (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 Shark River at Belmar (IN MLLW) gauge located?

The gauge is located in Monmouth County, New Jersey at coordinates 40.1856°N, 74.0261°W. USGS site number: 01407770. Data is provided by the U.S. Geological Survey and the National Weather Service.

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Source & Notes

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