Maritime ports of Chittagong, Cox's Bazar, Mongla and Payra have been advised to keep hoisted local cautionary signal no three.
The well-marked low still persists over North Bay and adjoining coasts of Bangladesh and West Bengal, a Met office weather bulletin said.
Squally weather may affect over North Bay, adjoining coastal area of Bangladesh and the maritime ports, according to the bulletin.
All fishing boats and trawlers over North Bay have been advised to take shelter immediately and remain in shelter till further notice.
