Related Clues:

• Maritime phenomena
• Weather-page stats
• Helps enough to keep going, with ''over''
• Sea movements
• They rise and fall periodically
• Sailors' concerns
• Group of stars
• They have highs and lows
• Items in a nautical table
• Sand-castle wreckers
• The moon affects them
• Impressive assemblage
• Destroyers of many small castles
• Currents
• Component of the Perseus cluster