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FludZone

Sea Isle City, New Jersey Flood Zones

Sea Isle City is a Cape May County barrier island community vulnerable to both ocean storm surge and back-bay flooding from tidal marshes. The city's CRS Class 3 rating reflects strong floodplain management on an island where nearly every property sits in a high-risk flood zone.

FEMA Flood Risk Profile: Cape May County

Based on FEMA's National Risk Index, which evaluates flood risk at the county level using historical loss data, exposure, and vulnerability.

Inland Flood Risk

Relatively Moderate

Est. annual loss: $38.9M

Coastal Flood Risk

Very High

Est. annual loss: $30.7M

Hurricane Risk

Relatively Moderate

Est. annual loss: $14.2M

Social Vulnerability: Relatively Low
Community Resilience: Very High

Source: FEMA National Risk Index, county-level assessment. Individual property risk may vary.

Federal Flood Disaster History: Cape May County

Cape May County has been included in 16 federal flood-related disaster declarations.

2021Remnants of Hurricane IdaHurricane
2020Tropical Storm IsaiasHurricane
2012Hurricane SandyHurricane
2011Hurricane IreneHurricane
2005Hurricane Katrina EvacuationHurricane
1999Hurricane Floyd Emergency DeclarationsHurricane
1998Severe Winter Coastal Storm, High Winds, FloodingCoastal Storm
1992Coastal Storm, High Tides, Heavy Rain, & FloodingFlood

...and 8 earlier declarations since 1971.

These declarations affected communities across Cape May County, including Sea Isle City.

Source: OpenFEMA Disaster Declarations Summaries API. Data sourced February 2026.

NFIP Flood Insurance Claims: Cape May County

Properties in Cape May County have filed 28,013 NFIP flood insurance claims totaling $404.8M in payouts since 1978. The average claim payout is $14K.

Highest-Claim Years

2012

10,138 claims - $267.3M

1992

4,913 claims - $41.2M

1984

2,087 claims - $7.9M

Claims by Flood Zone

Zone A

15,086

Zone AE

12,146

Zone X

287

Zone V

242

Zone VE

186

Source: OpenFEMA NFIP Claims API. Data sourced February 2026.

Common Flood Zones in Sea Isle City

Properties in Sea Isle City, NJ are commonly designated in these FEMA flood zones:

What Your Flood Zone Means in Sea Isle City

Sea Isle City is primarily at risk from coastal flooding, including hurricane storm surge, tidal flooding, and wave action. Coastal storms can push seawater inland with little warning, and properties in VE (Velocity) zones face the most severe exposure to breaking waves. The most common FEMA flood zone designations in Sea Isle City are Zone VE, Zone AE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $38.9M. The county is rated "Very High" for coastal flood risk by FEMA's National Risk Index. Properties in Sea Isle City's VE zones face additional wave action risk beyond still-water flooding, which typically results in higher insurance premiums and stricter building requirements.

Coastal flood insurance premiums in Sea Isle City are typically higher than inland areas due to the destructive force of storm surge and wave action. Properties in VE zones face the highest premiums because wave damage compounds the risk beyond still-water flooding. If your property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance.

Coastal flood maps are among the most frequently updated in the FEMA system, as shoreline erosion and new storm surge modeling refine the boundaries. Letters of Map Revision (LOMR) may shift VE and AE zone boundaries after major storms or updated coastal studies. Use our free lookup tool to check the current flood zone for any Sea Isle City address.

Flood Insurance Discount: Sea Isle City

Sea Isle City participates in FEMA's Community Rating System (CRS), a voluntary program that rewards communities for flood mitigation efforts beyond minimum NFIP requirements. Residents in the Special Flood Hazard Area may qualify for reduced flood insurance premiums.

CRS Class

Class 3

SFHA Premium Discount

35% off

CRS classes range from 1 (best) to 10 (no discount). Sea Isle City's Class 3 rating means NFIP policyholders in the SFHA can receive up to a 35% discount on their flood insurance premiums. Properties outside the SFHA may receive a 10% discount.

Source: FEMA Community Rating System, October 2025. Discounts apply to NFIP policies only.

Check Your Sea Isle City Address

Enter any Sea Isle City, NJ address to instantly see its FEMA flood zone, risk level, and whether flood insurance is required.

Free Flood Zone Lookup

Sea Isle City, NJ Flood Zone FAQ

What flood zones are in Sea Isle City, NJ?

The most common FEMA flood zones in Sea Isle City are Zone VE, Zone AE, Zone X. Properties in these high-risk zones (SFHA) may require flood insurance with a federally regulated or government-backed mortgage.

Is flood insurance required in Sea Isle City?

If your Sea Isle City property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance. Properties in Zone X are not federally required to carry flood insurance, though coverage is still recommended since about 25% of all NFIP flood claims come from Zone X properties.

How do I check my flood zone in Sea Isle City?

Enter your Sea Isle City address in the search tool above for an instant flood zone determination. Results include your FEMA flood zone, SFHA status, base flood elevation (if available), and FIRM panel information, pulled directly from FEMA's National Flood Hazard Layer.

Does Sea Isle City offer flood insurance discounts?

Yes. Sea Isle City participates in FEMA's Community Rating System (CRS) with a Class 3 rating, qualifying residents in the Special Flood Hazard Area for up to a 35% discount on NFIP flood insurance premiums. Properties outside the SFHA may receive a 10% discount.

Has Sea Isle City experienced major flooding events?

Cape May County, where Sea Isle City is located, has been part of 16 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Remnants of Hurricane Ida in 2021. Federal disaster declarations are issued when flooding overwhelms local resources and triggers FEMA assistance programs.

How many flood insurance claims have been filed in Sea Isle City?

Cape May County has recorded 28,013 NFIP flood insurance claims totaling $404.8M in payouts since 1978. The year with the most claims was 2012, with 10,138 claims and $267.3M in payouts. These figures cover all NFIP claims in the county, including Sea Isle City.

Sources

This page summarizes information from FEMA and other official resources in plain language. For full technical details, see the links below.

Sources last verified: February 2026