MS Polarfront was a Norwegian weather ship located in the North Atlantic. She was the last remaining weather ship in the world, maintained by the Norwegian Meteorological Institute.A weather ship is a ship stationed in mid-ocean to make meteorological observations for weather forecasting. Since the 1960s this role has been largely superseded by satellites, long range aircraft and weather buoys.MS Polarfront was known as the weather station M ("Mike"), and was located at 66°N, 02°E.