Sea condition will be "rough" to "very rough" over Comorin-Maldives area and adjoining sea areas during until tomorrow and over Lakshadweep area and adjoining South-East Arabian Sea until Thursday.
Chief Minister Pinarayi Vijayan said a team from the National Disaster Response Force would be moved to Thrissur to assist the State authorities in emergency response. All coastal taluk control rooms will work round the clock till March 15 and coastal relief shelters will be open.
The sea will turn rough in this period and therefore fishermen have been warned from going out, IMD said.
Warning that waves would be around 3 mts high and wind speeds would be anywhere from 40-60 kmph in the next 48 hours, the Indian Meterological Department said that it is not safe for fishermen to be out in the seas.
A high alert has been sounded in south Kerala after a low-pressure area over the Indian ocean intensified into a "deep low pressure" and lay anchored 391 km off the Thiruvananthapuram coast.
Meanwhile, the state's chief secretary Paul Antony met senior officers of various departments to review preparations.
An IMD bulletin said rain and thundershowers are likely to occur at many places from March 13 to 15 with isolated heavy rainfalls likely over south Tamil Nadu and south Kerala.
Squally winds speed reaching 45- to 55 km/hr gusting to 65 km/hr is very likely over Comorin area and along and off South Tamil Nadu-South Kerala coasts today and tomorrow.
The agency warned fishermen and residents against venturing into the sea off the coasts southern Tamil Nadu and Kerala coasts and the equatorial Indian Ocean, Gulf of Mannar, and Lakshadweep region.
The state government, still grappling with the aftermath of Cyclone Ockhi in November a year ago, took stock of the situation at a high-level meeting here and issued directives for contingency preparedness. The BJP had also accused the LDF government of failure to protect its fishermen "despite early warning" about the cyclone.