Boston Harbor is a harbor on the west side of Massachusetts Bay, sheltered by the Boston Harbor Islands and receiving the Mystic, Chelsea and Charles Rivers. The tide is semidiurnal, with a mean range of 9.49 ft (2.89 m) at the Boston station.
- Type
- Harbor
- Location
- Massachusetts, United States
- Setting
- On the west side of Massachusetts Bay, sheltered by the Boston Harbor Islands and receiving the Mystic, Chelsea and Charles Rivers
- Tidal range
- The tide is semidiurnal, with a mean range of 9.49 ft (2.89 m) at the Boston station.
- Notable
- Boston Light on Little Brewster Island, commissioned in 1716, is the oldest lighthouse station in the United States (US Coast Guard).