How can I stop message banners popping up on my iPhone but still receive messages on my Apple Watch

Hello Salon1989,

Thank you for using Apple Support Communities!

We understand from your post that you would like to turn off banner notifications on your iPhone but still receive notifications on your Apple Watch. This article will provide you with steps on how to turn off banner notifications on your iPhone:

Use notifications on your iPhone, iPad, and iPod touch - Apple Support

This article has information on when you will receive notifications on your Apple Watch which you may find helpful:

Notifications on your Apple Watch - Apple Support

If your iPhone is locked or asleep, you'll get notifications on your Apple Watch, unless your Apple Watch is locked with your passcode.

Best Regards.