FEMA flood zones · Texas

Nueces County, Texas Flood Zone Map

8,673 flood insurance claims·$186.4M paid·15 federal flood & hurricane disasters

20% of Nueces County’s area is in FEMA’s high-risk flood zones, and another 3% 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 Nueces County, Texas. 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 Nueces County floods

Flash flooding from summer thunderstorms dominates the flood history of Nueces County, accounting for 236 out of 322 total flood events recorded in the NOAA Storm Events Database over the last 30 years, alongside 3 deaths. Other recorded hazards include 37 general flood events, 20 coastal floods, 17 storm surge or tide events, 11 tropical storms, and 1 hurricane. Recent events illustrate this pattern, such as heavy downpours from scattered showers and thunderstorms that caused isolated flash flooding in downtown Corpus Christi in September 2025, following similar storm-driven flooding events in May 2025 and July 2025.

Federal Emergency Insurance Program records demonstrate that flood risks extend across multiple zones, led by Zone A with 4,635 claims averaging $46,223 in payouts and an average recorded water depth of 4 inches. Unshaded Zone X properties recorded 2,081 claims averaging $11,263 with an average water depth of 3 inches, while standard Zone X properties saw 1,277 claims averaging $33,159 with an average water depth of 5 inches. Shaded Zone X recorded 305 claims averaging $20,415 with an average water depth of 4 inches, and coastal Zone V recorded 213 claims averaging $28,568 with an average water depth of 5 inches. Homeowners and real estate agents in high-risk Zone A and coastal Zone V, as well as property owners in unshaded and shaded Zone X areas experiencing significant claim frequencies, should pay the closest attention to these risks.

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

Where the flood claims came from

33% of Nueces County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

7,234 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 4 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 2017, with 3,736 claims and $145.4M paid, the year of Hurricane Harvey.

1978: 35 claims1979: 430 claims1980: 1,227 claims1981: 141 claims1982: 10 claims1983: 31 claims1984: 27 claims1985: 79 claims1986: 12 claims1987: 20 claims1988: 36 claims1989: 2 claims1990: 7 claims1991: 59 claims1992: 75 claims1993: 27 claims1994: 15 claims1995: 31 claims1996: 18 claims1997: 217 claims1998: 140 claims1999: 188 claims2000: 46 claims2001: 66 claims2002: 391 claims2003: 32 claims2004: 190 claims2005: 17 claims2006: 56 claims2007: 121 claims2008: 65 claims2009: 17 claims2010: 209 claims2011: 10 claims2012: 23 claims2013: 14 claims2014: 16 claims2015: 234 claims2016: 234 claims2017: 3,736 claims2018: 74 claims2019: 32 claims2020: 61 claims2021: 110 claims2022: 11 claims2023: 11 claims2024: 49 claims2025: 2 claims2026: 19 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

141 NOAA storm reports from Nueces County describe what happened, in the words of the forecasters who covered it. Read the Texas flood stories →

Federal disasters

33 federal disaster declarations since 1967, 15 of them floods, coastal storms or hurricanes.

DisasterBegan
Hurricane BerylJul 5, 2024
Severe Winter StormFeb 11, 2021
Severe Winter StormsFeb 11, 2021
Tropical Storms Marco And LauraAug 23, 2020
Hurricane HannaJul 25, 2020
Hurricane HarveyAug 23, 2017
Severe Storms, Tornadoes, Straight-line Winds And FloodingMay 4, 2015
Tropical Storm AlexJun 27, 2010

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

Recorded flood events

322 since 1996: 236 flash floods, 37 river or area floods and 37 coastal floods or surges.

EventDateDamage
Flash FloodSep 22, 2025—
Flash FloodJul 9, 2025—
FloodMay 8, 2025—
Flash FloodMay 8, 2025—
Flash FloodJul 27, 2024—
Flash FloodJul 25, 2024—
Flash FloodJun 20, 2024—
Coastal FloodJun 19, 2024—

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

From the storm reports

Flash Flood · Sep 22, 2025. Thanks to plentiful moisture (PWATs between 1.6-1.9 inches) and embedded shortwaves aloft, scattered showers and thunderstorms led to heavy downpours, which caused isolated flash flooding in downtown Corpus Christi.

Flash Flood · Jul 9, 2025. Scattered showers and thunderstorms developed during the early afternoon of July 9th across the Coastal Plains and Brush Country. This activity was due to a combination of factors: some atmospheric energy skirting the edge of a ridge in the Gulf, the arrival of the sea breeze, and abundant moisture in the region. A few of these thunderstorms caused isolated instances of marine wind gusts and flash flooding.

Flood · May 8, 2025. A cluster of storms in La Salle County progressed southeastward through the evening hours. These storms intensified and developed into a well-organized MCS with a maturing bow echo feature as it extended into northeastern Duval and Jim Wells counties. An uptick in radar velocity was noted beginning north of San Diego, TX around 8:45pm CDT, with large wet melting hail enforcing a notable stronger surge of northwest…

Flash Flood · May 8, 2025. A cluster of storms in La Salle County progressed southeastward through the evening hours. These storms intensified and developed into a well-organized MCS with a maturing bow echo feature as it extended into northeastern Duval and Jim Wells counties. An uptick in radar velocity was noted beginning north of San Diego, TX around 8:45pm CDT, with large wet melting hail enforcing a notable stronger surge of northwest…

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 Nueces County

If a building in Nueces 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.