Related Clues:

• Surfer's swell
• -
• Acknowledge one's fans
• On top it can have a whitecap
• Another rough seas feature
• Hello from a distance
• Greeting
• Bid farewell, in a way
• Undulation
• Stadium motion
• Bleacherites' choreography
• What a surfer rides
• Breaker
• Acknowledge the crowd
• Surfboard support