Maritime ports of Chattogram, Cox's Bazar, Mongla and Payra have been advised to keep hoisted local cautionary signal no three.
The met office issued the notification as the low over the North Bay and adjoining area has intensified into a well-marked low over the same area.
According to BSS, squally weather is likely to affect the maritime ports, North Bay and adjoining areas of Bangladesh.
All fishing boats and trawlers over the North Bay have been advised to remain close to the coast and proceed with caution until further notice and not to venture into the deep sea.
