Portable boats and ships alongside flag indicating device

The utility model provides a portable boats and ships alongside flag indicating device, belongs to boats and ships alongside equipment technical field for for boats and ships alongside instruction position. Its technical scheme is: the utility model discloses a flexible flagpole lower extreme is connected with on -off MAGNETIC BASES, and on -off MAGNETIC BASES bottom and rear portion strength magnets hang on flexible flagpole at pier supporter or bollard, alongside flag, guides boats and ships safety alongside operation. Flexible flagpole can be according to boats and ships far and near positions, the flexible length of the big minor tune -up of wind -force, guarantees that boats and ships are visual and prevent the too big damage of the wind -force flagpole that stretches out and draws back, on -off MAGNETIC BASES possesses switch function, possesses 60KG's suction when opening the state, guarantees wind -force safe handling below 6 grades, and the staff can easily pack up during the closed condition. The ut