“My friend [insert any common name…as long as she doesn’t know them] is having marital issues and needs my help.”
You and your spouse have a wonderful relationship, so why not share that knowledge with a buddy in need. Whether your friend is real or not, just make sure to use a common name.
“The club is having an emergency membership meeting.”
You can’t argue with business and this requires your full attention. Plus it’s hardly a lie since you will be at the course anyways.