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Great Egg Harbor Bay at Ocean City (IN MLLW) — water level right now

Cape May County, New Jersey · NWS gauge ONCN4
Loading the latest reading…
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current stage (ft)
 
5.3
minor flood stage
 
9.95
record crest
set 1992-12-11
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flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

minor · 5.3
moderate · 6.3
major · 7.3
Flood stageLevel (ft)What it means
Major flood stage7.3extensive inundation and significant evacuations — a serious event
Moderate flood stage6.3some buildings and roads inundated; evacuations possible
Minor flood stage5.3low-lying roads and fields near the river start to flood

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
19.951992-12-11+4.65 above
29.312012-10-29+4.01 above
37.752016-01-23+2.45 above
47.252018-10-27+1.95 above
57.062025-08-21+1.76 above
66.952025-10-13+1.65 above
76.92018-09-09+1.6 above
86.792022-04-18+1.49 above
96.732011-08-27+1.43 above
106.732016-02-08+1.43 above
116.722021-02-01+1.42 above
126.672017-03-14+1.37 above

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Beach Thorofare at Margate (IN MLLW) 5 mi away · loading… Inside Thorofare at Atlantic City (IN MLLW) 8 mi away · loading… Absecon Channel at Atlantic City Marina (IN MLLW) 10 mi away · loading… Absecon Creek at Absecon (IN MLLW) 10 mi away · loading… New Jersey Atlantic Coast at Atlantic City (ocean front) (IN MLL 10 mi away · loading… Ludlum Thorofare at Sea Isle City (IN MLLW) 11 mi away · loading…

Gauge details

NWS gauge IDONCN4
USGS site01411320
CountyCape May
StateNew Jersey
NWS forecast officeMount Holly
River forecast centerMiddle Atlantic River Forecast Center
Coordinates39.286, -74.576
Time zoneEST5EDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Great Egg Harbor Bay at Ocean City (IN MLLW)

Is Great Egg Harbor Bay at Ocean City (IN MLLW) flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 5.3 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Great Egg Harbor Bay at Ocean City (IN MLLW)?

major flood stage 7.3 ft, moderate flood stage 6.3 ft, minor flood stage 5.3 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Great Egg Harbor Bay at Ocean City (IN MLLW)?

The highest crest on file at this gauge is 9.95 ft, reached on 1992-12-11 — that is 4.65 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Mount Holly and local emergency management.