# Great white shark activity in US coastal waters

> Live situation record from CLSTR: https://clstr.news/situations/great-white-shark-activity-in-us-coastal-waters
> Updated: 2026-10-21T14:30:27.000Z. Sources: 2. Developments: 2.

Recent reports indicate significant great white shark activity along the US coastline. In September, a shark was filmed consuming a seal near Great Point Beach in Nantucket, Massachusetts. Fisheries scientist Gregory Skomal noted that while the proximity to shore was striking, the behavior is typical as sharks migrate through the area and utilize local seals as a food source.

By October, sightings and legal issues involving the species emerged in both California and Massachusetts. In California, a shark was filmed breaching at Marina State Beach, prompting authorities to issue shark advisory signs along the Monterey Bay coastline. Meanwhile, in Massachusetts, Christopher Stefanou is facing animal cruelty charges related to an incident on Cape Cod where he allegedly dragged a great white shark onto a beach, potentially violating federal protections for the species.

## Timeline

### 2026-10-21: Great white shark encounters reported in California and Massachusetts

A great white shark breaching at a California beach prompted new shark advisories, while a fisherman in Massachusetts faces animal cruelty charges following an encounter with a shark on Cape Cod.

2 sources. https://clstr.news/cluster/great-white-shark-encounters-reported-in-california-and-massachusetts

### 2026-09-22: Great white shark attacks seal near Nantucket beach

A great white shark was filmed attacking a seal near Great Point Beach in Nantucket, an event experts describe as typical migratory feeding behavior.

3 sources. https://clstr.news/cluster/great-white-shark-attacks-seal-near-nantucket-beach

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Cite as: Great white shark activity in US coastal waters. CLSTR, https://clstr.news/situations/great-white-shark-activity-in-us-coastal-waters