Things have changed since yesterday. This is the latest advice on the Gov't of Canada Web site

COVID-19 - Global travel advisory
Effective date: December 15, 2021

Avoid non-essential travel outside Canada.

This advisory overrides all other advisories on this page, with the exception of those where we advise against all travel. Continue to avoid all cruise ship travel outside of Canada.

Jamaica
Last updated: December 15, 2021 14:49 ET

Still valid: December 16, 2021 07:09 ET

Latest updates: Risk level(s) - Avoid non-essential travel outside of Canada until further notice