The monsoon depression over Chuadanga and adjoining area of Bangladesh and West Bengal moved westwards and lies over West Bengal and adjoining area at 6 am on Thursday.
It is likely to move west northwestwards further and weaken gradually.
Under its influence steep pressure gradient persists and deep convection is taking place over North Bay and adjoining coastal areas of Bangladesh.
Squally weather may affect the maritime ports, North Bay and adjoining coastal areas of Bangladesh, a Met office weather bulletin said yesterday.
The maritime ports of Chittagong, Cox’s Bazar, Mongla and Payra have been advised to keep hoisted local cautionary signal number three (r) three.
All fishing boats and trawlers over North Bay have been advised to remain close to the coast and proceed with caution till further notice.