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# CMWaterSubmersionMeasurement

An update that contains data about the pressure and depth.

```
class CMWaterSubmersionMeasurement
```

## Topics

### Accessing the data

[`date`](/documentation/CoreMotion/CMWaterSubmersionMeasurement/date)

The time and date when the system recorded the measurements.

[`depth`](/documentation/CoreMotion/CMWaterSubmersionMeasurement/depth)

The depth under water.

[`pressure`](/documentation/CoreMotion/CMWaterSubmersionMeasurement/pressure)

The water pressure.

[`surfacePressure`](/documentation/CoreMotion/CMWaterSubmersionMeasurement/surfacePressure)

The surface air pressure.

[`submersionState`](/documentation/CoreMotion/CMWaterSubmersionMeasurement/submersionState)

The depth state.

[`CMWaterSubmersionMeasurement.DepthState`](/documentation/CoreMotion/CMWaterSubmersionMeasurement/DepthState)

A state based on the device’s depth under water.


---

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