FEMA flood zones · New Jersey

Ocean County, New Jersey Flood Zone Map

52,884 flood insurance claims·$2.4B paid·8 federal flood & hurricane disasters

28% of Ocean County’s area is in FEMA’s high-risk flood zones, and another 1% in shaded X (mostly the 0.2% floodplain and areas behind levees).

Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.

Coastal high risk (V, VE)FloodwayHigh risk (A, AE)Moderate (X, 500-year)Minimal (X)Undetermined (D)

Shaded areas are FEMA’s mapped flood hazard zones in and around Ocean County, New Jersey. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.

How Ocean County floods

Coastal flooding from prolonged storms and high tides dominates Ocean County, New Jersey, accounting for the highest frequency of recorded flood events over the past 30 years alongside flash floods, standard floods, storm surges, and tropical systems.

Recent impacts are illustrated by events such as October 2025, when powerful coastal storms and low-pressure systems sat off the coast with strong onshore easterly flows, pushing water toward the shoreline and back bay communities over multiple high tide cycles and causing moderate to locally major tidal flooding.

Property owners in high-risk coastal areas should pay the most attention, particularly those in FEMA Zone A, which accounts for the vast majority of the county's National Flood Insurance Program claims with an average payout of $53,165 and an average recorded water depth of 9 inches. Properties in Zone V—where claims average $84,976 with an average recorded water depth of 9 inches—also face significant risk, as do properties in Zone X, which has recorded over a thousand claims with an average payout of $54,463 and an average recorded water depth of 9 inches.

Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.

Where the flood claims came from

2% of Ocean County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

51,294 NFIP claims with a recorded rated flood zone, 1978 to date. The zone is the one FEMA used to rate that policy, which may not match today’s map. Source: OpenFEMA NFIP claims.

How deep the water got

outlet80″ door12″24″36″48″60″72″84″

In flood insurance claims here that reported a flood depth, the average was 9 inches.

Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.

Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.

Flood claims, year by year

The worst year was 2012, with 37,797 claims and $2.3B paid, the year of Hurricane Sandy.

1978: 100 claims1979: 140 claims1980: 131 claims1981: 14 claims1982: 39 claims1983: 32 claims1984: 962 claims1985: 413 claims1986: 31 claims1987: 99 claims1988: 8 claims1989: 77 claims1990: 17 claims1991: 887 claims1992: 6,929 claims1993: 285 claims1994: 97 claims1995: 80 claims1996: 155 claims1997: 316 claims1998: 387 claims1999: 102 claims2000: 124 claims2001: 53 claims2002: 54 claims2003: 113 claims2004: 29 claims2005: 380 claims2006: 407 claims2007: 70 claims2008: 59 claims2009: 161 claims2010: 306 claims2011: 1,156 claims2012: 37,797 claims2013: 64 claims2014: 144 claims2015: 27 claims2016: 71 claims2017: 54 claims2018: 63 claims2019: 38 claims2020: 29 claims2021: 113 claims2022: 68 claims2023: 32 claims2024: 87 claims2025: 71 claims2026: 13 claims19801990200020102020

Bar height is scaled by square root so ordinary years stay visible next to the worst one. NFIP claims by year of loss. Source: OpenFEMA.

In their words

67 NOAA storm reports from Ocean County describe what happened, in the words of the forecasters who covered it. Read the New Jersey flood stories →

Federal disasters

33 federal disaster declarations since 1965, 8 of them floods, coastal storms or hurricanes.

DisasterBegan
Jones Road FireApr 22, 2025
Remnants Of Hurricane IdaSep 1, 2021
Severe Winter Storm And SnowstormJan 31, 2021
Severe Winter Storm And SnowstormJan 22, 2016
Hurricane SandyOct 26, 2012
Hurricane IreneAug 27, 2011
Severe Winter Storm And SnowstormDec 26, 2010
Severe Storms And FloodingMar 12, 2010

Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.

Recorded flood events

313 since 1996: 74 flash floods, 49 river or area floods and 177 coastal floods or surges.

EventDateDamage
Flash FloodJul 31, 2025$20,000
Flash FloodJul 31, 2025—
Coastal FloodOct 30, 2025—
Coastal FloodAug 21, 2025—
Flash FloodJul 14, 2025—
Coastal FloodOct 12, 2025—
Flash FloodJul 1, 2025—
Coastal FloodSep 23, 2024—

— = no damage estimate in the record. Source: NOAA Storm Events Database.

From the storm reports

Flash Flood · Jul 31, 2025. A stationary front sparked off showers and thunderstorms across the forecast area. Flash flooding resulted.

Coastal Flood · Oct 30, 2025. An area of low pressure moved over New Jersey, with onshore easterly flow pushing water towards the New Jersey coast and back bay communities. This resulted in Moderate Tidal Flooding along the northern NJ coast.

Coastal Flood · Aug 21, 2025. Storm surge from Hurricane Erin and an upcoming New Moon resulted in moderate to locally major high tide levels on the night of August 21, 2025 across coastal areas of New Jersey.

Flash Flood · Jul 14, 2025. An approaching cold front sparked off showers and thunderstorms across the forecast area. Flash flooding resulted.

National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.

The zones you’ll see on the map

Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.

Cross-section of a coastal flood zoneDiagram: land rising away from the shore. The 1%-annual-chance flood surface reaches inland; where storm waves ride on top of it the zone is V or VE, behind that AE, then a band of shaded X, then X on higher ground.0.2% CHANCE A YEAR (500-YEAR)BASE FLOOD ELEVATION · 1% A YEARXX shadedAEVE
  1. VE / V Storm waves of 3 feet or more ride on top of the flood. Strictest building rules; homes go up on pilings.
  2. A / AE Inside the 1%-a-year floodplain: about a 26% chance of flooding over a 30-year mortgage. AE has a mapped base flood elevation; plain A does not.
  3. X shaded The 0.2% (500-year) floodplain, plus some levee-protected and very shallow flood areas.
  4. X Outside both lines. No federal requirement to insure, which is not the same as no risk.

Every flood zone code explained →

Flood insurance in Ocean County

If a building in Ocean County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.

Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.