22-10-2025: According to the observations at 15:30 hrs MST today, the Well Marked low pressure area over the Southwest Bay of Bengal (off Tamil Nadu coast, India) still persists. It is likely to move Northwestwards and may across North Tamil Nadu, Puducherry and South Andhra Pradesh coasts, India during next 24 hours. Weather is a few cloud over the North Bay and partly cloudy to cloudy over the Andaman Sea and elsewhere over the Bay of Bengal.

 

General Weather Forecast for 2023 Rainy Season

Friday, April 28, 2023 - 11:30

General Weather Forecast for 2023 Rainy Season

Issued on 28.4.2023

Onset and withdrawal of Southwest Monsoon

Southwest monsoon is likely to set into the whole country during (1 – 6 June), 2023. Southwest monsoon is likely to retreat from the whole country 1st week of October, 2023.

Early Monsoon Period Forecast

The early monsoon period is establishment of Southwest Monsoon over Myanmar to the end of June. Four Low Pressure Areas may form over the Bay of Bengal and two may further intensify into the Depression. During the early monsoon period, monsoon will be weak to moderate. Rain will be expected  below normal in Sagaing Region and Kachin, Northern Shan, Chin States and about normal in Naypyitaw, Mandalay, Magway, Bago, Yangon, Ayeyarwady, Taninthayi Regions and (Southern and Eastern) Shan, Rakhine, Kayah, Kayin, Mon States.

Mid Monsoon Period Forecast

Mid Monsoon period is a period of starting from 1st July to the end of August. Four Low Pressure Areas may form over the Bay of Bengal and two may further intensify into the Depression. During the mid-monsoon period, monsoon will be strong. Rain or thundershower will be expected above normal in Magway, Bago, Yangon, Ayeyarwady Regions and Kayin, Mon States and about normal in Naypyitaw, Sagaing, Mandalay, Taninthayi Regions and Kachin, Shan, Chin, Rakhine, Kayah States.

Late Monsoon Period Forecast

Late Monsoon period is a period starting from 1st September to the date of Monsoon withdrawal from the Whole Country. Three Low Pressure Areas may form over the Bay of Bengal and one may further intensify into the Depression. During the late monsoon period, monsoon will be weak to moderate. Rain will be expected about normal in Naypyitaw, Sagaing, Mandalay, Magway, Bago, Yangon, Ayeyarwady, Taninthayi Regions and Kachin, Shan, Chin, Rakhine, Kayah, Kayin, Mon States.