Jeju, Aug 28 (IANS): Typhoon Shanshan, approaching from near Japan, brought heavy rain and strong wind to South Korea's Jeju island on Wednesday, with the state weather agency warning of downpours of up to 30 mm per hour and wind of up to 25 metres per second.

The Jeju Regional Meteorological Administration had issued a strong wind advisory across the island as of 1 p.m., advising residents to take precautions to ensure that signs and greenhouses are not damaged due to strong winds.

Strong winds with a maximum wind speed of 20 to 25 meters per second and heavy rain of up to 30 mm per hour could hit the island, particularly mountainous areas, Yonhap News Agency reported quoting the weather agency

It had been raining sporadically in many parts of the island since a heavy rain alert was issued early Wednesday, with areas near Mount Halla receiving 154.5 millimetres of rain from midnight to 2 p.m.

The interior ministry called for measures to protect tourists in the coastal areas or residents in low-lying regions and ordered safety checks on fishing ports, tower cranes, and other infrastructure to minimise damage.

Japan also issued an emergency warning on Wednesday as powerful Typhoon Shanshan approached the region with heavy rain and strong winds, prompting Toyota Motor to suspend operations at all its domestic factories.

Airlines and rail operators also cancelled some services over the coming days as the typhoon, categorised as "very strong", packed winds of 50 metres per second with gusts of up to 70 metres per second (252 km per hour/157 mph).