Archive · 30 Aug 2026
Low-Pressure System Brings Heavy Rain Across Bengal Through September
A rainy weather system has formed over the Bay of Bengal.
It is moving toward Odisha and parts of West Bengal.
This system may bring heavy rain to Kolkata and many other districts.
The heaviest rain is expected between August 31 and September 2.
Some rain and thunderstorms may continue until September 6.
Strong winds, lightning and cloudy skies are also possible.
Water may collect temporarily in low places and underpasses.
Fishermen have been told not to go into the sea because the waves and winds may be dangerous.
A well-marked low-pressure area over the northwest Bay of Bengal is moving west-northwest across north Odisha and Gangetic West Bengal.
Heavy to very heavy rain is forecast in parts of Bengal from August 31 to September 2, with lighter rain likely through September 6.
East and West Midnapore, Jhargram, South 24-Parganas, Howrah, Bankura and Purulia are among the districts facing heavy rain.
Kolkata may experience cloudy skies, thunderstorms, lightning and gusty winds, while low-lying areas could see temporary waterlogging.
Fishermen were advised to stay out of the sea along the West Bengal and Odisha coasts because of squally winds reaching up to 60 kmph in gusts.
- Who
- The India Meteorological Department issued the forecasts and warnings; fishermen were advised to remain ashore.
- What
- A low-pressure system is expected to bring heavy to very heavy rain, thunderstorms, lightning and strong winds.
- When
- The system was reported on August 30; heavy rain is forecast from August 31 to September 2, with further rain possible through September 6.
- Where
- The system is over the northwest Bay of Bengal and adjoining West Bengal and north Odisha coasts, affecting Kolkata, south Bengal and parts of north Bengal.
- Why
- The low-pressure area is moving west-northwestward across north Odisha and Gangetic West Bengal, producing rain and squally weather.
- Weather system
- A well-marked low-pressure area over the northwest Bay of Bengal and adjoining West Bengal and north Odisha coasts
- Expected movement
- West-northwestward across north Odisha and Gangetic West Bengal over the following 24 hours
- Rainfall forecast
- Heavy to very heavy rain of 7–20 cm at one or two places in some Bengal districts from August 31 to September 2
- Most affected districts
- East Midnapore, West Midnapore, Jhargram, South 24-Parganas, Howrah, Bankura and Purulia
- Kolkata forecast
- Cloudy weather with rain, thundershowers, lightning and possible gusty winds
- Wind conditions
- Gusts of 30–40 kmph across much of south Bengal and 40–50 kmph in parts of East Midnapore and South 24-Parganas, occasionally reaching 60 kmph
- Sea advisory
- Fishermen were advised not to venture into the sea along the West Bengal coast and North Bay until August 31
