It may be the desire to discover new horizons, a change of life. Also, dreaming about embarking is the omen that we will embark on a new project or business.
Dream dictionary: Embark dream meanings
…To dream of being on the water, is good, if the water be clear; but if muddy or troubled, the reverse. To see a wide expanse of water, over or on which you wish to get, but cannot, shows that you are about to embark in some undertaking without first securing the means of success. (See Bathing, Fountain, Pump, Pitcher, Rive; Bowing, Sailing, Swimming, Thirst, Washing and Well.) Lucky lottery dream numbers – 42, 18….
…in the dream, then they represent trials and adversities in the place where they are seen. Whichever of the two fires is closer to a water source in the dream means that such an army is more liable to a voluntary retreat or submission. If the water flows and extinguishes that fire in the dream, it also means that the water will be debilitated and consequently consumed. The more black smoke a fire produces in one’s dream, the greater is the danger and consequent sufferings. If one kindles a fire in the night for people to see their way through in a dream, it means that he will acquire a knowledge and with it, he will help people through their life, admonish and guide them. If one sees himself kindling a fire on the road during the daylight in a dream, it means that he will embark on the road…
…Dreaming that you resign any position, signifies that you will unfortunately embark in new enterprises. To hear of others resigning, denotes that you will have unpleaasant{sic} tidings….