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Natural hazards · Seabrook

Seabrook, NH natural hazards

Most of the natural-hazard damage FEMA expects in Seabrook comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 33 claims here since 1979. 13 federal disasters brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Seabrook?

74
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Seabrook to be higher than in 74% of U.S. communities, mostly from inland flooding and coastal flooding.

Inland flooding63%Coastal flooding21%Earthquakes5%Everything else11%
By hazard

What Seabrook faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Inland flooding

63% of expected damage
Well above average · higher than 80% of U.S. places
Recorded about once a year in the area

Coastal flooding

21% of expected damage
Well above average · among the top 1% of U.S. places

Earthquakes

5% of expected damage
Above average · higher than 73% of U.S. places

Lower here

HurricanesTornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireLandslidesStrong windLightning

Not a risk here

DroughtAvalanchesTsunamisVolcanic activity
Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Seabrook flood?

Every paid claim on a federal flood insurance policy in Seabrook, from FEMA’s records.

33paid claims since 1979
$286Kpaid to owners
3homes flooded more than once
19792026

Biggest named events

  • The “Halloween” storm: 5 claims, $12K
  • March 2010 Nor'easter: 1 claim, $3K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. Seabrook isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Rockingham County.
Disasters that hit Seabrook

13 federal disasters brought FEMA money here

Disasters the President declared that paid out in Seabrook itself: aid to households, or repair grants to the Town of Seabrook.

Brought FEMA money into SeabrookDeclared for Rockingham County only
2024

Severe Storms and Flooding

$11K to the Town of Seabrook for repairs
2018

Severe Winter Storm and Snowstorm

$38K to the Town of Seabrook for repairs
2018

Severe Storm and Flooding

$44K to the Town of Seabrook for repairs
2015

Severe Winter Storm and Snowstorm

$100K to the Town of Seabrook for repairs
2013

Severe Winter Storm and Snowstorm

$49K to the Town of Seabrook for repairs
2012

Hurricane Sandy

$15K to the Town of Seabrook for repairs
2011

Hurricane Irene

$12K to the Town of Seabrook for repairs
2010

Severe Winter Storm

$19K to the Town of Seabrook for repairs
2008

Severe Winter Storm

$76K to the Town of Seabrook for repairs
2007

Severe Storms and Flooding

6 households applied for aid $4K aid approved $4K to the Town of Seabrook for repairs
2006

Severe Storms and Flooding

104 households applied for aid $116K aid approved $47K to the Town of Seabrook for repairs
2003

Snow

$10K to the Town of Seabrook for repairs
2001

Snow

$15K to the Town of Seabrook for repairs
Rockingham County has had 30 natural disasters declared since 1953, most often severe storms and floods.
Around Seabrook

Seabrook and the towns around it

Hampton Falls: Low, mostly inland floodingSalisbury: Very high, mostly coastal floodingSouth Hampton: Low, mostly inland floodingHampton: Very high, mostly coastal floodingKensington: Low, mostly inland floodingNewburyport: Low, mostly inland floodingAmesbury: Moderate, mostly inland floodingNewton: Very low, mostly inland floodingEast Kingston: Low, mostly inland floodingNorth Hampton: Moderate, mostly inland floodingSeabrook: High, mostly inland flooding SeabrookHampton FallsSalisburySouth HamptonHampton
Very lowLowModerateHighVery high
Hamptonmostly coastal floodingVery high
Salisburymostly coastal floodingVery high
Seabrookmostly inland floodingHigh
Hampton Fallsmostly inland floodingLow
South Hamptonmostly inland floodingLow
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Seabrook covers 3 census tracts, combined by population.
Money that reached townFlood claims are matched to Seabrook’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Seabrook. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Seabrook total about $4.3M a year, counting buildings, people and crops.

Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.

The door’s open

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You’re in Seabrook, NHRockingham CountyView boundary

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01
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