A partially closed body of water is called a bay!!!!!
A bay is a body of water that is partly enclosed by a portion of a land form. It also has a wide opening called as "mouth" that leads through the sea.
I would suggest this is a Bay
There are several terms that define part of a lake or sea that is partially surrounded by water. These include inlet, bay or gulf.
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The name for a narrow body of water that connects an enclosed sea with a larger body of water is a strait. An example would be the Strait of Gibraltar that connects the Mediterranean Sea and the Atlantic Ocean.
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It makes large waves larger.
A large body of water that is partly enclosed by land with a wide mouth leading to a larger body of water is known as a bay. Large bays may also be called a gulf, sea, sound, or bight.
sea It's a sea or an ocean.
low land covered by water
A bay is a body of water that is partly enclosed by land (and is usually smaller than a gulf).
A gulf
a gulf *example: the Gulf of Mexico
A large body of ocean or sea water that is partially enclosed by land
It is a place name that could just as easily be called the Gulf of Florida, or the Gulf of Cuba (which separates it from the Caribbean Sea). It happened to be named for the western shore, which includes Yucatan and Texas (once part of Mexico).The SW corner, west of Yucatan, is called the Bay of Campeche (sometimes more specifically applied to the Yucatan side of the Gulf of Campeche).
You can use the word "bay" to describe a portion of the ocean that is bounded by land on 3 or more sides. So the eastern part of the Atlantic Ocean sticks over the Iberian peninsula (Spain and Portugal) and south of the peninsula of Brittany (France).
Oceans are continuous bodies of water that cover most the Earth's surface, A sea is a region of water withing an ocean, partly enclosed by land. Such as the North Sea. A sea can be a large body of either fresh or salt water completely enclosed by land. Such as the Caspian Sea
I believe, you are describing what is called a SOUND. The Puget Sound is located in the Pacific Northwest and touches such places as Seattle and Winslow.
The term "gulf" is singular. It refers to a large area of sea or ocean that is partly enclosed by land. If referring to multiple gulfs, it is correct to use the plural form "gulfs."