FloodZoneMap.org

Seminole County, Florida Flood Zones

Check an Address in Seminole County

Enter any address in Seminole County, Florida to see its FEMA flood zone

The Flooding Character of Seminole County

Seminole County experiences a mix of flood events, with tropical storms and flash floods being the most frequent over the past 30 years. Recent events include Hurricane Milton impacting the area in October 2024, bringing heavy rainfall and associated flooding. Additionally, Tropical Storm Helene in September 2024 also brought tropical storm conditions to the region.

The National Flood Insurance Program (NFIP) data shows a significant number of claims in Zone A, with an average payout of $43,044 and an average water depth of 4.9 feet. Zone X also has a substantial number of claims, though with a lower average payout and a higher average water depth of 8.1 feet. Properties in Zone A and Zone X should pay particular attention to flood risk.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Seminole County

19 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read Florida flood stories →

Flood Risk Data for Seminole County

Seminole County, Florida has recorded 25 flood-related events since 1996 according to NOAA's Storm Events Database, including 7 flash floods and 8 river or area floods. The county has received 39 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.

Seminole County Disaster History

FEMA Disaster Declarations (1977–2024)

Disaster Declarations
39
Hurricane Disasters
12
Latest Disaster
Hurricane Milton (2024-10-05)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Seminole County

DeclarationTypeDate
Hurricane MiltonHurricaneOct 5, 2024
Hurricane DebbyTropical StormAug 1, 2024
Tropical Storm DebbyTropical StormAug 1, 2024
Hurricane IdaliaHurricaneAug 27, 2023
Tropical Storm IdaliaTropical StormAug 27, 2023
Hurricane NicoleHurricaneNov 7, 2022
Tropical Storm NicoleTropical StormNov 7, 2022
Hurricane IanHurricaneSep 23, 2022
Tropical Storm IanHurricaneSep 23, 2022
Hurricane IsaiasHurricaneJul 31, 2020

Recorded Flood Events in Seminole County

NOAA Storm Events Database (1996–2025)

Total Flood Events
25
River/Area Floods
8
Flash Floods
7
Hurricanes/Tropical Storms
10
Total Property Damage
$831.2M
Flood Deaths
3

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Seminole County

TypeDateDamage
Tropical StormSep 26, 20240.00K
Flash FloodOct 9, 20240.00K
Tropical StormOct 9, 20243.00M
FloodOct 9, 202427.00M
Tropical StormAug 30, 20230.00K
Flash FloodSep 29, 20220.00K
Tropical StormSep 28, 20220.00K
FloodSep 28, 2022241.00M
Tropical StormNov 10, 2022
FloodNov 8, 20220.00K

Seminole County Flood History

Tropical Storm — Sep 26, 2024

Major Hurricane Helene paralleled the west coast of Florida about 100 miles offshore before making landfall in the Big Bend region of Florida near the city of Perry. The system's expansive wind field within its eastern periphery produced a period of tropical storm conditions, particularly in gusts, across much of east central Florida including its adjacent coastal waters. Peak wind gusts ranged...

Flash Flood — Oct 9, 2024

Hurricane Milton moved ashore the west-central Florida coast as a category 3 hurricane on Oct 9 around 1930EST. The system continued slowly in an east-northeast trajectory across central Florida, becoming a category 1 hurricane before emerging into the Atlantic Ocean near Cape Canaveral. The outer rainbands of Milton overspread the Florida peninsula earlier in the day, leading to a prolific tor...

Tropical Storm — Oct 9, 2024

Hurricane Milton moved ashore the west-central Florida coast as a category 3 hurricane on Oct 9 around 1930EST. The system continued slowly in an east-northeast trajectory across central Florida, becoming a category 1 hurricane before emerging into the Atlantic Ocean near Cape Canaveral. The outer rainbands of Milton overspread the Florida peninsula earlier in the day, leading to a prolific tor...

Flood — Oct 9, 2024

Hurricane Milton moved ashore the west-central Florida coast as a category 3 hurricane on Oct 9 around 1930EST. The system continued slowly in an east-northeast trajectory across central Florida, becoming a category 1 hurricane before emerging into the Atlantic Ocean near Cape Canaveral. The outer rainbands of Milton overspread the Florida peninsula earlier in the day, leading to a prolific tor...

Tropical Storm — Aug 30, 2023

Hurricane Idalia made landfall in Florida's Big Bend region as a major Category 3 hurricane. It then moved northeastward, moving into southern Georgia, before pushing into the Atlantic off of the southeast US coast. The storm brought widespread tropical storm-force gusts to east central Florida and the adjacent waters, especially from Brevard and Osceola Counties northward. Rainfall was minimal...

Source: NOAA National Weather Service Storm Events Database.

Seminole County NFIP Flood Insurance Claims

Total Claims Filed
1,269
Total Paid Out
$44.7M
Avg Claim
$53,995
Avg Water Depth
15.4 ft

Claims by Flood Zone

A Zones (High Risk)
739
X Shaded (500-yr)
20
X Unshaded (Low)
46

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Seminole County

FEMA assigns flood zone designations to areas in Seminole County, Florida:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Seminole County

Properties in Seminole County, Florida that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

Visit FloodSmart.gov to find an agent and get a quote.