Apple Watch Ultra: How to use the depth app for underwater activities

Apple Watch Ultra offers a device-exclusive Depth app. This article tells you what it does and how to use it.

ultra watch depth gauge
The ‌‌Apple Watch Ultra‌‌ can be used for dives up to 40 meters (130 feet) deep, and the new Depth app for the watch is designed to get the most out of recreational underwater activities like snorkeling, swimming in an underwater pool and shallow snorkeling.

The Depth app can provide information about water temperature, current depth, maximum depth, as well as current time.

It should be noted that the Depth app is not a dive computer like the upcoming Oceanic+ app, so it does not provide information such as decompression stop information, gas analysis or other diving features. So if you are using it in a situation where its failure could result in death or personal injury, be sure to have a secondary depth gauge and a timer or watch.

Using the depth app

By default, the Depth app opens automatically when the ‌Apple Watch Ultra‌ is submerged to a depth of 1 meter or more, or you can start a session manually by opening the app.

depth


When the Depth app opens, the Water Lock feature activates to prevent accidental entry on the screen or with the Digital Crown. For this reason, if you want to record a workout such as an open water swim, open the workout app and start the workout before diving your ‌Apple Watch Ultra‌.

When you’re done, press and hold the Digital Crown to deactivate the water lock and end your session. The screen will unlock and a series of tones will play to clear any water left in the watch speaker.

After your dive, you’ll see a dive summary showing how long you were underwater, your maximum depth, and the water temperature range you experienced. You can also see water temperature and depth in a timeline in the Health app, but not other metrics.

How to disable Depth app auto-launch feature

  1. Launch it Settings on your ‌Apple Watch Ultra‌.
  2. Tap General, then tap Auto Launch.
  3. Under “If submerged”, turn off the switch next to Automatic app launch.

How to change the depth app units of measure

  1. Launch it Settings on your ‌Apple Watch Ultra‌.
  2. Faucet Depth.
  3. Picking out Feet Where Meters for depth, and Fahrenheit Where Celsius for the temperature.

The Depth app works up to a maximum depth of 130 feet (40 meters). If you go below this depth, the screen will turn yellow and some functions of your ‌Apple Watch Ultra‌ may stop working or work intermittently.

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