low water vs surf

low water

noun
  • The location of low tide in a coastal area. 

  • The temporary situation of having little money. 

  • The lowest stage of a river. 

surf

noun
  • Waves that break on an ocean shoreline. 

  • A dance popular in the 1960s in which the movements of a surfboard rider are mimicked. 

  • The bottom of a drain. 

  • An instance or session of riding a surfboard in the surf. 

verb
  • To bodysurf; to swim in the surf at a beach. 

  • To surf at a specified place. 

  • To browse the Internet, television, etc. 

  • To ride a wave on a surfboard; to pursue or take part in the sport of surfing. 

How often have the words low water and surf occurred in a corpus of books? (source: Google Ngram Viewer )