• Channel chimers
• Channel markers
• Encourages, with up
• Floats in the harbor
• Gives a boost to
• Gulls' perches, often
• Harbor floaters
• Harbor markers
• Holds up
• Keeps afloat
• Keeps afloat, with up
• Lifts up
• Lifts, as spirits
• Lobster pot signposts
• Marine markers
• Navigation aids
• Ocean channel markers
• Partners of gulls in maritime jokes?
• Raises, as spirits
• Sea bobbers
• Some meteorological data collectors
• Some nuns
• They barely keep their heads above water
• They bob in the sea
• They may have bells or whistles
• They're often paired with gulls in maritime jokes
• Warning floats
• Water bobbers