Maritime ports of Chittagong, Cox's Bazar, Mongla and Payra have been advised to keep hoisted local cautionary signal number three as the well marked low over northwest bay and adjoining northeast bay persists over the same area.
It is likely to move in a northeasterly direction further and weaken gradually, a Met Office weather bulletin said on Sunday.
Under the influence of the well marked low, deep convection is continuing over North Bay and squally weather may affect North Bay, coastal regions of Bangladesh and the maritime ports.
All fishing boats and trawlers over North Bay have been advised to remain close to the coast and proceed with caution. They are also advised not to venture into the deep sea.