If you have dreamed of swimming in the sea in the dark: Your rest is more necessary mentally than physically, Change will do you good. Swimming in the sea in the dark in a dream means that the person who sees the dream will make wrong decisions, repeat his mistakes, fall out of favor with people and miss the opportunities, incur financial damage and family problems. At the same time, it indicates that the dreamer will experience a great disappointment, lose his pleasure and be sad.