Best Flood Map Apps

249+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated August 2026

The best flood map apps on iPhone average 4.7★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Flood Map Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Flood Map USAFlood Map USAFree5.0★ (1)YesYesAug 2026
2FloodWatchFloodWatchFree4.7★ (280)YesYesAug 2026
3Rivercast: River Levels USARivercast: River Levels USAFree4.7★ (11K)YesYesAug 2026
4Flood ZNFlood ZNFreeNoNoMay 2026
5Flood Alert WatcherFlood Alert WatcherFree4.8★ (5)YesYesJul 2026
6Clime: NOAA Weather Radar LiveClime: NOAA Weather Radar LiveFree4.5★ (1M)YesYesAug 2026
7Elevation - Altimeter MapElevation - Altimeter MapFree4.5★ (5.3K)YesYesAug 2026
8Lagos FloodmapLagos FloodmapFreeNoNoJul 2026

Top Picks for Flood Map

Flood Map USA#1

Flood Map USA by Qvyshift LLC

Flood zone maps by address
Editor's Choice
☀️ Weather
5.0(1 ratings)
FreeAdsIn-App Purchases
Flood Map USA screenshot 1
Flood Map USA screenshot 2
Flood Map USA screenshot 3
Flood Map USA screenshot 4
Flood Map USA screenshot 5

This app helps you identify flood-prone areas near a specific U.S. street address. It can generate printable maps or interactive overlays based on available FEMA flood study data. Useful for risk assessment before or after severe weather events.

FloodWatch#2

FloodWatch by Brian Deshong

Real-time river and flood data
Strong Contender
☀️ Weather
4.7(280 ratings)
FreeAdsIn-App Purchases
FloodWatch screenshot 1
FloodWatch screenshot 2
FloodWatch screenshot 3
FloodWatch screenshot 4
FloodWatch screenshot 5
FloodWatch screenshot 6

Monitor real-time river and flood data across the United States. Track river height, discharge, precipitation, and water temperature with data from USGS and NWS. Ideal for property owners, outdoor enthusiasts, and anyone needing flood awareness.

Rivercast: River Levels USA#3

Rivercast: River Levels USA by Juggernaut Technology, Inc.

NOAA Forecasts & Flood Alerts
Worth Considering
☀️ Weather
4.7😊(11K ratings)
FreeAdsIn-App Purchases
#77in Weather
Rivercast: River Levels USA screenshot 1
Rivercast: River Levels USA screenshot 2
Rivercast: River Levels USA screenshot 3
Rivercast: River Levels USA screenshot 4
Rivercast: River Levels USA screenshot 5
Rivercast: River Levels USA screenshot 6

Monitor river levels, flow rates, and flood warnings with real-time data and forecasts. Get custom alerts for your favorite waterways and visualize trends with interactive graphs. Essential for anyone living, working, or recreating near water.

What We Love

  • 🚀 Great app
  • 👍 Easy to navigate
  • 👍 Helpful for monitoring river levels
  • 👍 Useful for fishing and boating

Room to Improve

  • 🐛 Data not always up-to-date
  • 🔒 Paid subscription required for full functionality
  • 🔒 Can't view more than 30 hours of data without premium

More Flood Map apps to explore

4
Flood ZN
Flood ZN
Flood ZN
Property Flood Zone Check
Free

Access industry-exclusive flood mapping technology to check property flood zones. Ideal for homebuyers, real estate agents, lenders, and investors. Create a free account to verify flood zone accuracy and request official determinations processed by flood professionals.

Flood mapping technologyProperty address searchFlood zone visualization
🔍 Reference
(0)
free
5
Flood Alert Watcher
Flood Alert Watcher
Flood Alert Watcher
Flood Alerts & Warnings
Free

Receive real-time flood alerts and weather warnings for the UK. View interactive flood maps, understand warning levels, and get peace of mind with trusted data from the Environment Agency.

Real-time flood alertsInteractive flood mapsEnvironment Agency data
☀️ Weather
(5)
free with in-app purchases
6
Clime: NOAA Weather Radar Live
Clime: NOAA Weather Radar Live
Clime: NOAA Weather Radar Live
Tornado, Rain & Storm Alerts
Free

Get real-time radar, severe weather alerts, and accurate forecasts. This app provides detailed weather information, including precipitation, temperature, and wind, to help you stay informed and safe from approaching storms.

Real-time radar imagesSevere weather alertsPrecipitation forecast
☀️ Weather
(1M)
free with in-app purchases
7
Elevation - Altimeter Map
Elevation - Altimeter Map
Elevation - Altimeter Map
Find your altitude on the map
Free

Easily find your current elevation, altitude, and height above sea level. This app allows you to check elevations by touching the map, entering an address, or using your device's GPS or barometer. It also provides valuable data for flood prediction and outdoor planning.

Find current elevation and altitudeCheck elevation by map touch or address inputUtilize GPS and barometer for altitude
🗺️ Navigation
(5.3K)
free with in-app purchases
8
Lagos Floodmap
Lagos Floodmap
Lagos Floodmap
Report & View Flood Zones
Free

This app provides real-time flood information for Lagos, Nigeria. View current flood zones, report new floods, and check flood risk levels for any neighborhood to stay safe.

Interactive flood map of LagosReal-time user flood reportsView flood risk levels
☀️ Weather
(0)
free
9
Flood Zone Map
Flood Zone Map
Flood Zone Map
NFIP FEMA Map & Zone Docs
$1.99
$4.99 | 60% OFF

Easily access FEMA flood zone information for any address or property. Generate official flood hazard determination forms and customize map overlays for detailed analysis. Ideal for real estate professionals, homeowners, and anyone needing flood risk data.

Search flood zone by addressLong-press for property flood zoneCreate Standard Flood Hazard Determination Form
💼 Business
(0)
free with in-app purchases
10
FEMA
FEMA
FEMA
by Federal Emergency Management Agency (FEMA)
Free

This app provides essential tools and information for disaster preparedness, safety, and recovery. Receive real-time alerts, access guidance on emergency plans and kits, and find information on disaster assistance.

Real-time weather and emergency alertsDisaster preparedness guidanceActionable safety advice
☀️ Weather
(1K)
free
11
HydraAtlas
HydraAtlas
HydraAtlas
Flood Awareness and Safety
Free

This app provides detailed flood risk information for any US location using official FEMA data. It offers real-time updates on stream gauges, weather alerts, and radar, helping users make informed decisions about potential flood hazards.

FEMA flood zone mappingUSGS stream gauge readingsNational Weather Service alerts
🔧 Utilities
(2)
free
12
Disaster Map
Disaster Map
Disaster Map
Explore natural disasters
Free

Stay informed about natural disasters happening globally. Receive real-time alerts for earthquakes, cyclones, volcanoes, and droughts. Explore past and present events on an interactive world map.

Real-time disaster alertsExplore earthquakes, cyclones, volcanoes, droughtsInteractive world map
☀️ Weather
(0)
free
13
My Earthquake Alerts & Feed
My Earthquake Alerts & Feed
My Earthquake Alerts & Feed
US & Worldwide Earthquakes Map
Free

Stay informed about seismic activity with real-time earthquake alerts and a comprehensive global map. Track quakes, receive instant notifications, and search historical data. This free, ad-supported application provides detailed information on location, depth, and distance.

Live earthquake mapCustomizable free earthquake alertsSearch earthquake history (since 1970)
☀️ Weather
(139K)
ad-supported
14
AR Flood
AR Flood
AR Flood
AR Flood App
Free
📚 Education
(0)
15
RoadWatch — Offline Map Geo
RoadWatch — Offline Map Geo
RoadWatch — Offline Map Geo
by MIRABEN KALANT
Free

Discover and save community-curated places like cafes, parks, and scenic roads. Browse a full map, save favorites, read reviews, and add your own recommendations with photos and notes to build a personal guide to local spots.

Discover community-curated placesSave favorite locationsBrowse full map by category
🗺️ Navigation
(1)
ad-supported
16
My Flood Risk
My Flood Risk
My Flood Risk
by HKV Lijn in Water B.V.
Free
📚 Education
(0)
17
FloodNotice
FloodNotice
FloodNotice
Stream, River, & Flood Levels
Free

Access real-time streamflow, river levels, and flood forecasts from over 6,000 locations across the U.S. Save your favorite streamgages for quick access to critical waterbody information.

Real-time streamflow observationsRiver level monitoringFlood condition alerts
☀️ Weather
(9)
free
18
Northumberland  Map
Northumberland  Map
Northumberland Map
by Jonathan Shutt
Free
🗺️ Navigation
(0)
19
FloodSearch
FloodSearch
FloodSearch
by American Flood Research Inc
Free

This app analyzes real property using on-site sensor readings to determine if a structure is within a 100-year flood zone based on FEMA flood maps. It offers a unique approach to flood risk assessment.

On-site sensor readingsFEMA flood map integration100-year flood zone determination
💼 Business
(1)
free with in-app purchases
20
World Weather Forecast Map
World Weather Forecast Map
World Weather Forecast Map
Earthquake, Tsunami, Hurricane
Free
☀️ Weather
(0)

FAQ about Flood Map

What are the best flood map apps for iPhone?
Flood Map USA tops our flood map apps ranking as of August 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 19 of the top flood map apps we rank are free to download, including Flood Map USA and FloodWatch.
Flood Map USA shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ flood map apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Flood Map USA displays maps showing flood-prone areas near a U.S. street address. It uses FEMA flood study data to identify potential risks.
Depending on data availability, it can generate printable PDFs from modern FEMA data, scanned images from older data, or an interactive map in beta.

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