Archive · 20 Sep 2026
Heavy Rain Forecast for Bengal as Bay System Intensifies
A weather system has formed over the Bay of Bengal.
It may become a stronger storm called a deep depression.
Parts of West Bengal could get heavy rain from September 22 to 25.
The coastal districts may receive the strongest rain and winds.
Some winds could reach 40-50 kilometres per hour.
Thunderstorms and lightning are also possible in several districts.
Rain is expected in northern districts such as Darjeeling and Cooch Behar.
Fishermen were told to stay out of the sea on September 21 and 22.
Parts of West Bengal are likely to receive heavy rain from September 22 to 25.
The Bay of Bengal low-pressure area may intensify into a deep depression near the southern Odisha and northern Andhra Pradesh coast.
Coastal districts Purba Medinipur and South 24 Parganas may see stronger rain and winds of 40-50 kmph.
Thunderstorms, lightning and gusty winds are forecast in parts of south and north Bengal, including Kolkata.
The IMD advised fishermen not to venture into the Bay of Bengal on September 21 and 22.
- Who
- The India Meteorological Department and residents, fishermen and authorities in West Bengal.
- What
- A low-pressure system is expected to bring heavy rain, thunderstorms, strong winds and rough seas.
- When
- Heavy rain is forecast from September 22 to 25; fishermen were advised to avoid the sea on September 21 and 22.
- Where
- West Bengal, including coastal districts, south Bengal, north Bengal, the Bay of Bengal, southern Odisha and northern Andhra Pradesh.
- Why
- The low-pressure area over the Bay of Bengal may intensify into a deep depression and move toward the Odisha-Andhra Pradesh coast.
- Rainfall period
- September 22-25
- Coastal districts facing higher intensity
- Purba Medinipur and South 24 Parganas
- Coastal wind speed
- 40-50 kmph
- South Bengal conditions
- Thunderstorms, lightning and 30-40 kmph gusty winds in one or two places, including Kolkata
- North Bengal heavy-rain period
- September 23-25
- Sea advisory
- Fishermen should not venture into the Bay of Bengal on September 21 and 22
- Expected system development
- The low-pressure area may intensify into a deep depression
