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Wet weather to persist as Bay of Bengal system strengthens

A developing low-pressure system over the Andaman Sea is expected to intensify into a depression over the next day, though Sri Lanka is unlikely to face direct impacts. The system will maintain rainy conditions across the island's southwestern regions.

LSN Sri Lanka · 21 September 2026

Wet weather to persist as Bay of Bengal system strengthens

The Meteorological Department has forecast continued rainfall across Sri Lanka as a low-pressure area over the Andaman Sea region of the Bay of Bengal, positioned northeast of the country, is set to strengthen. The system is expected to develop into a depression within the next 24 hours, according to department officials.

While the intensifying weather system poses no direct threat to Sri Lanka, its indirect effects will influence local weather patterns. The southwestern parts of the country are expected to experience sustained rainy conditions as moisture-laden winds interact with the developing system.

Residents and businesses in southwestern districts should prepare for extended wet weather. The Meteorological Department advised the public to monitor further updates as the system develops, noting that conditions could change depending on the depression's trajectory and intensity.