Related Clues:

• River-sea link
• Lake feeder
• Cove's cousin
• Firth of Clyde, for one
• Narrow inlet of a river
• Fjord, for example
• Coastal passage
• River mouth area
• Narrow creek
• Sheltered water
• River valley formation
• Narrow estuary
• Sea coast feature
• Entrance to a bay
• Fjord's relative