And, on Ocean Safety Signs Page 2 . Typically, shorelines facing North, East and West receive high surf during Winter months. Shores facing Southeast and Southwest receive high surf during Summer months. However, this condition can occur suddenly, unexpectedly even when the water appears to be calm.
Rocks become slippery and are sharp, abrasive lava stone.
Lava is very porous and it crumbles easily. Don't ever go into the wet rocky zone. The ocean is unpredictable and has been known to wash people away. Don't put yourself in a position where you could be swept away. Strong currents frequently accompany high surf and rapid tide changes and can be recognized as a turbulent channel of water between areas where waves are breaking.