Maritime ports of Chattogram, Cox’s Bazar, Mongla and Payra have been advised to keep hoisted local cautionary signal No three as the well-marked low over northwest Bay and adjoining area moved west-northwards and weakened into a low. “Now it lies over east Madhya Pradesh and adjoining area,” said a Met office bulletin. Squally weather may affect the Maritime ports, North Bay and adjoining coastal areas of Bangladesh. Read: Maritime ports asked to alert vessels of possible squall All fishing boats and trawlers over North Bay and deep sea have been advised to remain close to the coast and proceed with caution until further notice. They are also advised not to venture into the deep seas.