Open Water Data

Onset

Wareham, Massachusetts, United States

  • Water Quality Status
    No relevant data Wed, Jan 28, 2026 at 10:21am

Onset is a popular beach located on Onset Bay in East Wareham. There are restrooms and refreshment stands, but the beach is also within walking distance to local food shops. Lifeguards are on duty during the summer season. The water is calm so it's a nice place for families. It can be difficult to find parking.

The description above was copied from or heavily based on Swim Guide, with permission.

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