Sea foam is beautiful and gone in a moment, so tradition reads it as fleeting emotion and things that cannot be held. In myth it is also where love and beauty are born.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.