Related Clues:

• Raises a howl
• Some waterways
• Horses or howls
• Large coves
• Map notches
• Loading dock slots
• Bengal and Fundy, e.g.
• Arms of the sea
• San Francisco and Guantanamo, e.g. (4)
• Biscay and Biscayne
• Reddish-brown horses
• Coastline notches
• Parts of planes in which to put 18-Across
• Sound relatives
• Sheltered waters