Earlier quoted context omitted.
There is a separate iCloud Keychain so you can just copy to your local one. Or use the Export All Passwords feature in the Passwords app.
> There is a separate iCloud Keychain No, there is not. If there was a separate iCloud Keychain, then my passwords never would have gotten uploaded in the first place. Most of these passwords were Safari web form logins. Safari stores them where it wants. > Or use the Export All Passwords feature in the Passwords app. Export them to where? I want to use the operating system to store my passwords locally. I just don't…
Settings -> Apple ID -> iCloud -> iCloud Passwords & Keychain -> Sync this Mac