Marine observation device

The utility model discloses a navigation observation device which comprises a storage box, the top of the storage box is connected with a box cover through a hinge, the bottom of the storage box is provided with a hydraulic column, the hydraulic column is provided with a machine base, one end of the machine base is provided with a supporting rod, the supporting rod is provided with a sliding rod, the sliding rod is sleeved with a locking magnet, and the machine base is rotationally connected with a rotating disc through a rotating column. An annular groove is formed in the side face of the rotating disc and sleeved with an annular magnet, the magnetism of the annular magnet is opposite to that of the locking magnet, the sliding rod extends into the annular groove, a gap is formed between the sliding rod and the annular magnet, a plurality of vertical grooves are formed around the side face of the rotating disc at equal intervals, and side plates are arranged on the two sides of the top of the rotating disc co