When your devices disconnect, your notifications go to your iPhone instead of your Apple Watch. To check your connection, swipe up on the watch face to open Control Center. If your devices are disconnected, you might see , , or . Try to connect your iPhone and Apple Watch.
When your Apple Watch locks or you turn on Do Not Disturb, your notifications go to your iPhone.
- When your Apple Watch is locked, appears on the watch face.
- When Do Not Disturb is on, appears on the watch face. To turn this feature off, swipe up on the watch face, then tap .
For third-party apps, notifications are delivered only if your paired iPhone is also connected to a network.
Notifications on your Apple Watch - Apple Support