The depression over north Andaman Sea and adjoining southeast bay is likely to intensify further into a cyclonic storm by Monday and move in a north/northeasterly direction.
It was centred at 6:00am Monday about 1,150 kms south of Chattogram port, 1,060 kms south of Cox's Bazar port, 1,240 kms south-southeast of Mongla port and 1,165 kms south-southeast of Payra port.
Maximum sustained wind speed within 48 kms of deep depression centre is about 50 kph rising to 60 kph in gusts or squalls.
Sea will remain rough near the deep depression centre, reports UNB.
Maritime ports of Chattogram, Cox's Bazar, Mongla and Payra have been advised to keep hoisted distant cautionary signal No 1.
All fishing boats and trawlers over North Bay and deep sea have been advised to remain close to the coast and proceed with caution.
They are also advised not to venture into the deep sea.
