From the Atlantic White Shark Conservancy (verbatim):
Seal carcass with bite wounds spotted off Monomoy National Wildlife Refuge today by Dragonfly Sportfishing. This time of year, white sharks are moving back into the area. Activity picks up in July and peaks Aug - October.
Cape Cod residents and tourists, please review white shark safety information provided by the Cape Cod National Seashore: https://www.nps.gov/caco/planyourvisit/sharksafety.htm