The long-term increase is in the north-west bay of bengal.

Seasonal winds are less active in Bangladesh and the weak Bay to the Bay of Bengal prevails from weak to medium.It has been said in the next 24 hours from Wednesday 9am, in some parts of Khulna, Barisal, Chittagong, Sylhet, Mymensingh and Rangpur divisions and rain / thunderstorms with light to moderate rain or lightning along with temporary gusto winds in Rajshahi and Dhaka divisions. There may be some moderate heavy rains in some places in the country as well.Day and night temperature may remain nearly unchanged throughout the country. In Dhaka, the relative relative humidity of the air was 85 percent.