Maritime ports of Chittagong, Cox's Bazar, Mongla and Payra have been advised to keep hoisted local cautionary signal no three as deep convection is continuing over North bay and adjoining coastal area of Bangladesh.
Monsoon is strong over North Bay, said a Met office bulletin.
Squally weather is likely to affect the maritime ports, North Bay and adjoining coastal areas of the country.
All fishing boats and trawlers over North Bay have been advised to remain close to the coast and proceed with caution. They are also advised not to venture into the deep sea.
Under its influence heavy (44-88mm) to very heavy (>89mm) rainfall with gusty/squally wind is likely to occur over Barishal, Chittagong and Sylhet divisions during next 24hrs commencing 11:00am on Tuesday, said a Met office forecast.
Due to very heavy rainfall, landslide may occur at places over the hilly regions of Chittagong division, it added.
Meanwhile, in association with rain or thunder showers with temporary squalls speed 60-80 kph is likely to occur over the regions of Khulna, Barishal, Patuakhali, Noakhali, Cumilla, Chittagong and Cox's bazar wherein river ports shall hoist riverine warning signal no two.
Rain or thunder showers accompanied by temporary gusty or squally wind speed 45-60 kph is likely to occur elsewhere over the country wherein river ports shall hoist cautionary signal no one, said the Met office bulletin.