[nradov]

Garmin Descent series watches have free diving activity profiles and support tides. It kind of "cheats" by downloading tide data from Garmin servers via a Bluetooth connection to your smartphone so it's not doing any tide calculations on the device.

https://www.garmin.com/en-US/p/766516/pn/010-02604-01#specs

[steve_adams_86]

I didn't realize you can get these in this price range. Thanks for the heads up!