HMCS St Johns sailed for the Caribbean last night. While the Canadian government has yet to receive a request for hurricane disaster assistance, the ship was sent south prepared to respond to an emergency. they will be training, until a request for assistance comes in.
Given 3 active hurricanes, and a forecast for Irma to pass right up the center of Florida as a class 4 storm, She will likely be put to work.
On a related note, the Port Report, found at http://halifaxshippingnews.ca/portreport.php will now include the hurricane map above During Hurricane Season.