L
landmark - A stationary object used as a reference point for navigation (n); to use a landmark (v)
LBI - Long Beach Island (n)
LBT - Long Beach Township (n)
LBTBP - LBT Beach Patrol (n)
leeward - Side of an object that is opposite the direction the wind is coming from (adj); Antonym: windward
LIT - Lifeguard in training (n)
littoral drift - (also “littoral current”) A current that runs parallel to the shore (n)
lost person - A child or disabled person that cannot find his or her parent or guardian (see also “missing person”) (n)
low water - (also “low water line”) The lowest point on the beach reached by water at low tide (n)
lull - A period of either no waves or less forceful waves between two sets of waves (n)