ECONOMYNEXT — Sri Lanka’s Department of Meteorology has warned of heavy rains and rough seas across the region as cyclonic storm “Arnab” intensifies over the Bay of Bengal ahead of its landfall in India.
Although the storm will not hit the island directly, forecasters expect indirect weather impacts to trigger significant rainfall across several provinces over a three-day period.
“There is no major direct impact on Sri Lanka; however, even without a direct impact, we expect indirect effects today, tomorrow, and the day after—over all three of these days,” Director General of the Department of Meteorology A. L. K. Wijemannage said.
The department said the deep depression over the east-central and southeast Bay of Bengal intensified into cyclonic storm “Arnab” on Monday morning. The system is forecast to strengthen further into a severe cyclone and track towards the Indian coast for landfall on October 28.
Higher rainfall is expected in the Southern, Western, Sabaragamuwa, Central, and Uva provinces, as well as parts of the North Western Province. Heavy downpours could exceed 100 mm in some locations on Monday and Tuesday.
Authorities also issued a red warning for naval and multi-day fishing communities, advising them to avoid deep and shallow sea areas in the Bay of Bengal bounded by 10N to 20N latitude and 80E to 95E longitude. Wind speeds in the warning zones could reach 80 to 100 kmph, accompanied by rough seas and waves rising up to 4.0 meters.
“We urge the fishing and naval communities to refrain from venturing into the deep sea areas of the Bay of Bengal, as winds are gusty and the sea is rough in that region. Do not go there,” Wijemannage said.
Vessels currently operating in the affected marine zones have been directed to move away immediately. (Colombo/Oct23/2026)