Fifteen low-lying areas of coastal districts and their offshore islands and chars are likely to be inundated by tidal surges, the weather department said on Friday.
The districts are Satkhira, Khulna, Bagerhat, Jhalakathi, Pirojpur, Barguna, Patuakhali, Bhola, Barisal, Lakshmipur, Chandpur, Noakhali, Feni, Chittagong and Cox's Bazar.
Also, squally weather may affect the maritime ports, the North Bay of Bengal and adjoining coastal areas of Bangladesh, according to the Bangladesh Meteorological Department.
Maritime ports of Chittagong, Cox's Bazar, Mongla and Payra were advised to keep hoisting local cautionary signal No 3.
All fishing boats and trawlers over the North Bay were advised to remain close to the coast and proceed with caution till further notice.
