Live sea and water temperature for 35,000+ beaches, lakes and rivers. Find the best time to swim, check waves and safety, get alerts. Now on iPhone Duo and Apple Watch.
Sea Water Temperature – Water Temperatures, Beaches & Apple Watch
Check real-time sea temperature, ocean temperature, beach water temperature, lake temperature and river temperature for more than 35,000 locations worldwide.
Sea Water Temperature helps you discover accurate water conditions, beach insights, weather forecasts, swimming safety information and nearby beaches in one fast and modern experience for iPhone and Apple Watch.
Whether you are planning a beach vacation, swimming, snorkeling, surfing, fishing, boating or traveling, you can instantly check current water temperatures and conditions anywhere in the world.
Native Apple Watch App
Take water temperatures, beach information and activity insights with you wherever you go.
With the Apple Watch app you can:
• check water temperatures instantly
• view swimming conditions
• track favorite locations
• receive useful updates
• access activity recommendations
• use Smart Stack widgets and complications
Stay informed directly from your wrist.
Water Temperature Worldwide – 35,000+ Locations
Explore one of the world's largest water temperature databases with:
• sea temperature
• ocean temperature
• beach water temperature
• lake temperature
• river temperature
• reservoirs and inland waters
Find water temperatures across beaches, lakes, rivers, islands, bays and swimming destinations worldwide.
Beach Water Temperature & Beach Conditions
Discover beach water temperatures together with useful beach information:
• beach ratings
• nearby beaches
• swimming conditions
• facilities and services
• beach insights
• coastal locations worldwide
Open detailed beach pages with maps, photos and beach details before your trip.
Water Safety Index
Stay safer in the water with the intelligent Water Safety Index.
The app analyzes multiple environmental factors and calculates an overall water safety score from 0 to 10:
• water temperature
• wave height
• underwater currents
• wind speed
• weather conditions
Quickly understand beach conditions, ocean conditions and swimming safety before entering the water.
Accurate Weather Powered by Apple WeatherKit
Sea Water Temperature integrates Apple WeatherKit to provide reliable forecasts and coastal weather information:
• current weather conditions
• beach weather
• swimming weather
• ocean weather
• wave conditions
• short-term forecasts
• seasonal water temperature trends
Interactive Map With Nearby Water Locations
Use the interactive map to discover water temperatures nearby:
• all locations displayed on the map
• smooth zoom and navigation
• nearby beaches and water points
• smart clustering for coastal regions
Beach Photos & Exact Locations
View real photos for beaches, lakes, rivers and coastal areas before visiting. Explore the surroundings and find the perfect place for swimming and relaxing.
Save Your Favorite Spots
Save your favourite beaches and water locations for quick access anytime. Track temperatures, weather and swimming conditions for your favourite places.
Smart Notifications
Receive useful notifications about:
• water temperature changes
• weather updates
• beach condition changes
• favourite locations
Home Screen, Lock Screen & Apple Watch Widgets
Check water temperatures directly from:
• Home Screen widgets
• Lock Screen widgets
• Apple Watch Smart Stack widgets
• Apple Watch complications
Modern iOS Design
Sea Water Temperature features a clean and modern interface with smooth animations, fast performance and a premium experience optimized for iPhone, iPad and Apple Watch.
Sea Water Temperature combines worldwide water temperature data, beach information, swimming safety tools, weather forecasts, Apple Watch features, interactive maps and travel insights to deliver one of the most complete water temperature apps available on the App Store.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://seatemperature.net/privacyPolicyIos.html
Thank you for your feedback. We try to keep ads as minimal as possible while supporting server and data costs. We will continue improving the app experience and ad balance in future updates.
Version 2.17 brings full support for iPhone Duo, a big Apple Watch update and a few fixes.
iPhone Duo
- Designed for both displays: folded, the app fits the cover screen; unfolded, Home splits into two panes, with your spot and the temperature chart on the left and the rest of the feed on the right.
- New Today timeline, exclusive to iPhone Duo: the side strip shows every hour from 6 am to 10 pm, colored by swimming conditions, plus the best time to swim, sunrise, sunset and the current time.
- As you scroll, a compact card keeps the water temperature, the change since yesterday and the Water Safety Index in view.
- Menu, Favorites, Settings and tips are adapted to the larger screen.
Apple Watch
- New Water Safety Index page: an animated ring that smoothly changes color with the score, a clear verdict and today's best time to swim. Tap the ring to see what drives the score: water temperature, waves, currents, wind and sky.
- Hour-by-hour swimming conditions (Premium).
- Waves and wind page for sea spots: wave height, period and direction, a wind compass and the next 8 hours.
- Weekend page: Saturday or Sunday, which day is better for a swim.
- Temperature alerts (Premium): get notified when the water reaches your temperature, up to 5 alerts.
- Compare your favorites by the warmest water or the strongest warming, and see nearby spots, warmest first.
- New watch Settings: switch between °C and °F and manage notifications.
- Ask Siri: "What's the water temperature in WaterTemp Now?"
iPhone and Apple Watch together
- Units, favorites and Premium now sync instantly between your iPhone and Apple Watch.
Improvements and fixes
- After you buy Premium, ads disappear right away, no restart needed.
- The menu no longer scrolls when everything fits on the screen.
- Performance and stability improvements.
Version 2.17.01
The developer, Georgiy Gorokhov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
Location
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Location
Usage Data
Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
Georgiy Gorokhov
Size
31.3 MB
Category
Weather
Compatibility
Requires iOS 17.0 or later.
iPhone Requires iOS 17.0 or later.
iPad Requires iPadOS 17.0 or later.
Mac Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.