Related Clues:

• Ocean motion
• They may crash and break
• Surfer's need
• Signals goodbye
• Permanent features
• Don't make them!
• Says goodbye without saying it
• Surfboard carrier
• They can follow the starts of 18- and 56-Across and 4- and 33-Down
• Sea, metaphorically
• Ocean motions
• Surfing essential
• Flutters
• Sea sight
• Breakers