Maritime ports of Chittagong, Cox's Bazar, Mongla, and Payra have been advised to hoist local cautionary signal number 3 (three) as monsoon is active over Bangladesh and strong over North Bay, according to a met office bulletin.
All fishing boats and trawlers have been advised to remain close to the coast and proceed with caution till the further notice, according to a bulletin issued by Bangladesh Meteorological Department (BMD).
In its 24-hour bulletin said the well-marked low over southwestern part of Bangladesh and adjoining area now lies over western part of Bangladesh and adjoining West Bengal. It is likely to move Northwestwards.
The axis of monsoon trough runs through Punjab, Hariyana, Uttar Pradesh, Bihar, West Bengal, the centre of the well-marked low to Assam across central part of Bangladesh, it said.
Light to moderate rain/thunder showers accompanied by temporary gusty/squally wind is likely to occur at most places over Rangpur, Rajshahi, Dhaka, Khulna, Barishal & Chattogram divisions and at many places over Mymensingh and Sylhet divisions with moderately heavy to very heavy falls at places over the country, the BMD bulletin said.
Until 6 am on Thursday (today), Mongla recorded the highest 245 millimetres (mm), the forecast said.
Day and night temperature may remain nearly unchanged over the country, it said.