Low pressure weather disrupts Apple Watch altimeter readings

A lack of manual calibration means users were unable to correct the problem.

What you need to know

• A spell of low pressure in Germany has thrown many Apple Watch altimeters off, giving incorrect readings to users.
• Without manual calibration, users are unable to fix the problem manually.

A spell of low pressure in Germany has caused altimeters on the Apple Watch Series 6 and Apple Watch SE to give out some wonky readings.

As reported by iPhone-ticker.de:

In the last days of December, Germany was in the middle of a large low pressure zone. Anyone who owns an Apple Watch Series 6 or Apple Watch SE with an integrated altimeter only had to look at their watch to confirm this weather situation. The air pressure, which has changed due to the weather, has apparently ensured that the current altitude was displayed by the clock by 200 to 300 meters too high.

iPhone-ticker says it has received "a number" of complaints about the issue. According to the report, users in Apple's German support forums have established that a period of low air pressure at high altitudes has combined to throw the altimeters off. As the report notes, this is standard behavior when it comes to barometric altimeters. Unfortunately, however, the usual remedy of simply recalibrating is not available to Apple Watch users because this can't be done manually. Apple added the always-on altimeter to Apple Watch Series 6 and Apple Watch SE last year. From Apple:

The always-on altimeter provides real-time elevation all day long by using a new, more power-efficient barometric altimeter, along with GPS and nearby Wi-Fi networks. This feature allows for the detection of small elevation changes above ground level, up and down to the measurement of 1 foot, and can be shown as a new watch face complication or workout metric.

Some users are reportedly still experiencing the issue, and have found the only solution to be a factory-reset of their iPhone and Apple Watch.

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