One difference between a bay and a gulf is size: bays are typically smaller than gulfs. A gulf may contain one or several bays, such as the Galveston Bay and Tampa Bay, which form part of the Gulf of Mexico. However, some bays may encompass a bigger area than a gulf, such as the Bay of Bengal, which is larger compared to the Gulf of Aden, Gulf of Tonkin and Gulf of Oman.Continue Reading
Bays and gulfs share many of the same characteristics. Although there are some generally accepted distinctions, for the most part, the differences between bays and gulfs are not well-defined and straightforward. There are instances when the two terms are used interchangeably.