Audrey Rowe had four goals and three assists for Harvey, while Abby Hassett had three goals. Brittany Smith added a pair. Other standouts for the Cavaliers included Tiaja Downer, Sammy Aloi and Alex Penella.
Watkinson led 8-5 late in the first half before erupting for five unanswered goals to take a 13-5 halftime lead. Harvey, which was missing four starters, outscored Watkinson 7-6 in the second half.
Harvey next hosts Forman on Wednesday at 3.30.
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