CCGS Cape Hurd is a 21.4-metre (70 ft) mid-shore patrol vessel formerly serving with the Canadian Coast Guard and last stationed in Sarnia, Ontario.

[1] The vessel is classed for inland waters (Great Lakes) with no ice-class.

Cape Hurd was built by the now defunct Breton Industries Limited in Port Hawkesbury, Nova Scotia and delivered to the CCG in 1982.

The ship was decommissioned by the Coast Guard and acquired by the Toronto Fire Services The ship entered service as William Thornton, named for William Thornton, the first Toronto fire fighter to die on duty.

[2] The vessel offers more capability than Sora as backup to the main fireboat William Lyon Mackenzie,[2] but it does not have ice-breaking capabilities and removed from the waters during the winter.