Get real-time sea and lake temperatures worldwide with historical data and custom alerts for various water activities. Compare locations, view seasonal trends, and explore with enhanced map features.






148+ iOS apps curated and reviewed
Every iPhone needs a few good water temperature apps. We benchmark 148+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.






Get real-time sea and lake temperatures worldwide with historical data and custom alerts for various water activities. Compare locations, view seasonal trends, and explore with enhanced map features.






Access comprehensive NOAA marine weather data, including real-time buoy readings, 5-day forecasts, and historical wave trends. Visualize data with map overlays and receive severe weather alerts. An Apple Watch app is also available.






Get real-time sea, ocean, lake, and river water temperatures worldwide. Plan your beach trips, swimming, or surfing with detailed location data and accurate weather forecasts. Save favorite spots and receive smart notifications for temperature changes.


Monitor and record water temperatures directly from your Apple Watch. Get real-time readings, switch between units, and track your session duration. Ideal for water sports enthusiasts and anyone interested in water conditions.


Access detailed buoy and ship observation data without weather forecasts or tide information. View current conditions, historical trends, and storm locations on an intuitive map. Monitor your favorite locations with customizable widgets.


Get real-time sea and ocean temperatures worldwide to plan your perfect beach day. Access up to a 10-day forecast, water clarity, and salinity data for over 20,000 locations. Save your favorite spots and view temperature history.


Manage your home or office environment remotely. Monitor temperature and humidity, adjust appliance operation based on weather, and set custom schedules. Create smart scenarios and share device access with others.


This app provides saltwater anglers with essential tools to locate fish. It combines cloud-free SST charts, satellite imagery, tides, currents, and marine weather forecasts into a layered interface. Users can mark hot spots, save data for offline use, and identify optimal fishing zones.


This app provides real-time wind, wave, and weather predictions for maritime activities. It features intuitive charts, station search, and customizable subscription plans to enhance your experience on the water.


Get real-time water temperature data for bays, rivers, and lakes across Slovenia, plus major coastal areas in Croatia. Ideal for planning your next swim or water activity.


Solve fraction math problems with ease using this application. It offers a clean interface and allows for the calculation of multiple fractions simultaneously. Inputting mixed numbers is also made simple with dedicated keypads.


Discover water temperatures from buoys and marine stations on an interactive map. Save favorite locations, set temperature alerts, and view air temperature data. Customize units and map zoom for a personalized experience.


Access real-time ocean water temperatures, tide information, and detailed wave forecasts. View SST charts, historical wave data, and marine weather forecasts from NOAA and NWS. Save your favorite locations for quick access.


This app transforms your iPhone or iPod Touch into a thermometer, displaying the exact outside temperature based on your current location. It provides detailed local weather conditions and allows you to check temperatures for other cities.


This app transforms your smartphone into a thermal imaging device when connected to a compatible camera. It helps identify hidden issues like water damage, electrical faults, and HVAC problems with advanced visual enhancements and measurement tools. Document and share your findings easily.


This mapping application displays real-time ocean water and surface air temperatures across the United States. Data is sourced directly from NOAA's buoys and weather stations, providing current conditions.


Estimate and track body temperature trends to monitor potential fever symptoms. Log data, export reports for healthcare providers, and monitor family members' temperatures. Includes features like heart rate estimation and symptom tracking.


This app offers advanced weather forecasting with over 50 detailed maps and 15 weather models, including live radar, satellite imagery, and hurricane tracking. It provides customizable alerts for storms, wind, and snow, making it ideal for outdoor activities and aviation.


Get real-time water temperature, weather, and flow information for the Aare river. View a temperature forecast for the next two hours and display key data directly on your home screen. Customize your preferred temperature alerts.


This utility helps home bakers achieve consistent dough temperatures by calculating the precise water temperature needed. Adjust for ambient conditions and ingredient temperatures to ensure your final dough is perfect every time. Save your favorite recipes for easy recall.