Related Clues:

• Salt shaker?
• Surfer's need
• Surfer's delight
• Acknowledge your fans
• Signal
• Surfer's swell
• -
• Acknowledge one's fans
• On top it can have a whitecap
• Wave, for one
• Another rough seas feature
• Hello from a distance
• Greeting
• Bid farewell, in a way
• Undulation