A low-pressure system over the Bay of Bengal has triggered intermittent rain across coastal areas, with further showers expected in southern and eastern parts of the country.
Heavy to very heavy rainfall is forecast in parts of Khulna, Barisal, and Chattogram divisions.
Thunderstorms are likely in most areas of Dhaka and Sylhet.
The sea remains rough near Kuakata, and maritime ports in Chattogram, Cox’s Bazar, Payra, and Mongla have been advised to hoist Signal No. 3.
Ferry services on the Bhola-Lakshmipur route and ten internal routes in Bhola have been suspended due to adverse weather.
Fishing boats have been told to seek shelter. The suspension of river transport has left many passengers stranded.