meaning of dreams big ship

i was on a big ship going to another country me and some gentlemen i don't now but one is my boyfriend i went to the top deck of the ship and sit down and start singing but the ship was racking because the wave was a little rough then the ship dock i had to walk through clean blue green water and hold on to a rope but i run through the water but the man that i was with get across and turn back after i loos the rope that i had to hold on