The Collective Unconscious
Dreaming of the sea: meaning and interpretation
Unconscious without a visible shore
A shared depth: emotions larger than your personal history.
Symbolic reading
The sea is water once it is no longer domestic. Its calm is breadth; its storm, a collective or ancient affect that exceeds you. Being in a boat is still having an ego distinct from the deep. Swimming out is accepting that you do not control the size of what you feel.
Jungian key
The ocean figures the collective unconscious: images you did not invent alone. The dream reminds you that you belong to a psyche wider than your biography.
Do not try to drink the sea. Learn the tide and choose which boat you stay in.