Best Flood Alert Watcher Apps

4.8(5 ratings)

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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.

FloodNotice by Nathaniel Copeland

Stream, River, & Flood Levels

Strong Contender

5.0(9 ratings)

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.

Flood Early Warning by Shannon Clarke

Worth Considering

Emergency: Severe Weather App

0.0(0 ratings)

Free

More Flood Alert Watcher apps to explore

Alerts, Maps, Radar & Shelters

Real-time severe weather alertsInteractive preparedness guidesPersonalized checklists

Stay safe during extreme weather and disasters with real-time alerts, interactive preparedness guides, and essential tools. This app provides official weather notifications, live maps, and helps locate shelters and services when you need them most.

(7.8K)

Rivercast: River Levels USA

NOAA Forecasts & Flood Alerts

Official flood warnings and alertsRiver stage height and flow rateColor-coded river status indicators

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.

(11K)

Real-time river and flood data

FloodWatch

Real-time river dataHistorical trends and graphsFavorites list for gauges

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.

(314)

by Federal Emergency Management Agency (FEMA)

FEMA

Real-time weather and emergency alertsDisaster preparedness guidanceActionable safety advice

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 flood prediction

(1K)

free

Future Flood Predictor

Real-time flood risk levelsNASA-powered data accuracyCritical flood alerts

This application provides real-time, localized flood risk assessments using data from NASA satellites and weather stations. It offers instant risk level indicators and critical alerts to help users stay informed and safe during changing weather conditions.

New Orleans live flood map

WET - Weather, Event, Tide

(0)

Report & View Flood Zones

Interactive flood map of LagosReal-time user flood reportsView flood risk levels

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.

Riverio: River Levels & Flow

(1)

free

Live gauge, flood & fishing

USGS River Levels & Flows

(0)

NOAA forecasts, works offline

Monitor River Levels & Floods

Real-time river and coastal station dataInteractive map with color-coded pinsUp to 3 months of water-level history

Access real-time river levels, flood alerts, and accurate forecasts from over 13,000 stations nationwide. Monitor your favorite rivers, receive custom notifications, and stay informed with severe weather news.

Created to save lives

One-click emergency alertSends GPS locationSends medical information

This app sends your GPS location and medical information to emergency contacts and 911 with a single button press. It allows users and their loved ones to activate an emergency alert from any phone or computer.

by ALEXA LEIGH CORBETT

Real-time threat mapping (wildfires, floods, storms)Location-based alerts for immediate dangerOn-device AI for safe route planning

Stay informed and connected during emergencies with real-time threat mapping and intelligent guidance. This app provides location-based alerts, evacuation zones, and peer-to-peer messaging when traditional systems fail. It's designed for individuals and groups needing critical information and navigation during disasters.

🔧 Utilities

(2)

Earthquake, tsunami & volcano

Japan Alerts

Real-time earthquake, tsunami, volcano, and typhoon alertsS-wave countdown for shaking arrivalMunicipality-level evacuation orders

Receive real-time alerts for earthquakes, tsunamis, volcanoes, and typhoons directly from Japan's official meteorological agency. Features include S-wave countdowns, municipality-level evacuation orders, and multi-language support for essential information.

(18)

Flood Awareness and Safety

HydraAtlas

FEMA flood zone mappingUSGS stream gauge readingsNational Weather Service alerts

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.

NOAA coastal flood alerts

Customizable flood alert thresholdsNOAA water-level monitoringTide charts and predictions

Receive timely alerts for coastal flooding based on your custom water-level thresholds. Monitor NOAA data, get tide charts, and stay informed about potential flood events affecting your property or boat.

(1)

Wildfire, Flood & Disaster Map

AngelsAlert

Wildfire detection via NASA FIRMSFlood and river level monitoringEarthquake alerts with magnitude

Receive real-time alerts for wildfires, floods, earthquakes, and severe weather. This app provides early warnings powered by NASA, USGS, and the National Weather Service, along with community-sourced reports and evacuation route guidance.