A cyclonic circulation over the North Andaman Sea is likely to intensify into a cyclonic storm and reach the Odisha–West Bengal coasts by October 24, bringing heavy rainfall and gusty winds in both the States, the Met office said on Sunday.

According to weather officials, wind speeds along and off the Odisha-West Bengal coasts are anticipated to reach 60 km/h from October 23, increasing to 120 km/h from October 24 night to October 25 morning. Fishermen of both the States have been advised against venturing into the sea from October 23 to 26 as the condition is likely to remain rough.