How long does it take a ship to go from Duluth MN to the Atlantic ocean?

The time it takes for a ship to travel from Duluth, MN, to the Atlantic Ocean can vary significantly based on factors like the ship's speed, weather conditions, and the specific route taken. Generally, the journey through the Great Lakes, the St. Lawrence Seaway, and into the Atlantic can take anywhere from several days to a couple of weeks. Typically, a commercial vessel might average speeds of around 10-15 knots, influencing the overall duration of the trip.