Answer:

TIDES

AnswerCrossword Clue
TIDES"Prince of ...": Conroy book
TIDESRed and rip
TIDESSea motions
TIDESRip, neap, and ebb
TIDESThey have highs and lows
TIDESOcean's motions
TIDESOcean phenomena
TIDESEbb and neap
TIDESThe moon affects them
TIDESHelps through a tough time, with "over"
TIDESMoon-related phenomena
TIDESThey have their highs and lows
TIDESItems in a nautical table
TIDESHigh, low, and ebb
TIDESOcean motions
TIDESSandcastle destroyers, perhaps
TIDESThey come and go at the beach
TIDESThey go in and out
TIDESOcean view
TIDESRises and falls
TIDESShoreline fluxes
TIDESCoastal phenomena
TIDESGravitational effects
TIDESBeach washers
TIDESNeap and ebb
TIDESOceanic movements
TIDESNautical table listing
TIDESShoreline changers
TIDESHelps through difficulty, with "over"
TIDESIn-and-out ocean phenomena
TIDESOcean movements
TIDES"The Prince of .."
TIDESSeasons
TIDESNeap and spring
TIDESShip captain's concerns
TIDESMeteorology concerns
TIDESSea fluctuations
TIDESHelps enough to keep going, with "over"
TIDESMaritime phenomena
TIDESWeather-page stats