Related Clues:

• Greeting at sea
• Tar hail
• Sailor's salutation
• Sailor's cry
• Hello, of sorts
• Call to a mate
• It passes between decks
• Command at sea
• 'Stop!'
• Bridge declaration
• 'Land ___!'
• Direction at sea
• Hail, on the briny
• Hey there, at sea
• 'Halt!' to a salt