A possible great white shark sighting in Cape Cod means that shark season may be upon us, but technology is providing a better idea of where exactly they are.
Shark experts at the Massachusetts Division of Marine Fisheries may have footage of a great white shark about 60 feet off-shore of Wellfleet's Marconi Beach.
The Atlantic White Shark Conservancy has a ‘Sharktivity’ app for mobile users that can now track some sharks in real time, seeing where they are as soon as they ping a satellite.
There’s also a spot where you can report possible sightings to experts for review.
Shark sightings usually don't start until mid-June, but more great whites have been spotted off the Cape in the past few years.
Great white sharks come to Cape Cod waters to feast on seals.
The risk of a swimmer being attacked by a shark is minimal. The last documented fatal great white shark attack in Massachusetts waters was in 1936.