Passamaquoddy Bay, Marine inlet between New Brunswick, Canada and Maine, United States
Passamaquoddy Bay is a marine inlet between New Brunswick, Canada and Maine, United States, extending northward from the Bay of Fundy. It contains several islands including Deer Island and Campobello Island within its waters.
The boundary between the United States and Great Britain in Passamaquoddy Bay remained contested until the Treaty of Ghent settled the matter after 1812. This agreement ended a long dispute over the exact line separating the two nations.
The name comes from the Passamaquoddy people and refers to the fish that once filled these waters. Local communities have maintained deep ties to these waters for generations.
The bay experiences substantial tidal movements twice daily as large volumes of water flow through three main passages. Visitors should be aware of these powerful tides when planning activities on or near the water.
Three separate water passages connect the bay to the Bay of Fundy, each with different characteristics and tidal patterns. These gateways at the international border create the powerful currents that travelers experience when exploring the water.
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