Colin's pictures can be a little deceiving for neophytes. The Canadian mid-shore patrol vessel pictured is somewhat smaller and definitely slower than it's US counterpart.
On the other hand, if you are looking at reserve units operating patrol vessels with .50 cal. only, inshore/harbour size vessel, you have to consider the following: The prairies units have no access to navigable waters of defense interest, and for the remaining, all but Queen Charlotte, St. John's, St. John and Halifax are in reasonably protected waters. Of those four, Q. C. and Hal have a reasonably large harbour where a harbour size vessel can easily operate, while the remaining two need to go out in the open, but can certainly muster a reasonable number of fair weather days to do so.
To keep it easy to quickly man and operate (short pre and post sailing checks and startups/shutdowns), my choice would be a "slightly militarized version of these CCG assets:
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