Related Clues:

• Periodic rises and falls of the sea level
• Anglers' concerns
• Ship captain's concern
• Periodic rises and falls of the sea
• They come in and out
• Samsung product
• Shoreline changers
• Nautical table listing
• Samsung smartphone
• In-and-out ocean phenomena
• Helps through difficulty, with "over"
• Brilliant assemblage
• Movements of sea
• Vast number of stars
• Spiral, elliptical, group of stars