A monster rising from the sea is read as a fear that lives in the depths of feeling. Tradition holds that it grows smaller once you look at it in daylight.
Where in your waking life have you met something like this lately?
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.