Seafoam also referred to as ocean foam, beach foam, or spume is a type of foam created by the agitation of seawater, particularly when it contains higher concentrations of dissolved organic matter (proteins, fats, dead algae).
Info source URL: http://www.beachapedia.org/Sea_Foam
=========
The photo was taken during November 2017 in Umhlanga, KwaZulu-Natal, South Africa.
