The invention relates to the technical field of nearshore auxiliary construction equipment, in particular to a nearshore floating flexible bulwark. The nearshore floating flexible bulwark comprises a first flow reducing curtain, a second flow reducing curtain and flow guiding cloth. The top of the first flow reducing curtain and the top of the second flow reducing curtain are fixedly connected through a water bag. The bottom of the first flow reducing curtain is in buckle connection with a first balance weight stone cage. The bottom of the second flow reducing curtain is in buckle connection with a second balance weight stone cage. The side, close to the first balance weight stone cage, of the flow guiding cloth covers the first balance weight stone cage. By means of the arrangement, through the linkage rectifying function of an underground pile foundation connected to the flow guiding cloth, flow guiding balance weight blocks and the flow guiding cloth, the incoming flow scouring force exerted on the balance weight stone cages can be effectively reduced, meanwhile, through level-by-level energy consumption of the multiple flow reducing curtains, an air bag and the water bag, it can be guaranteed that sea condition reduction in the construction area can be shielded, and accordingly the construction quality is guaranteed. The nearshore floating flexible bulwark has the beneficial effects that the structure is simple, rapid assembling can be achieved, maneuverability is good, and the wave absorbing effect is obvious.