Japan's Osaka will host the Group of 20 summit meetings on June 28-29, will be hit by strong rain and wind, the local authorities said.
Osaka is likely to be hit by typhoon between Thursday night and Friday morning, possibly affecting flights and other transport.
Okinawa Prefecture was hit by heavy rain, as a tropical cyclone forecast to turn into a typhoon this morning approached in the south of the prefecture, the Meteorological Agency said.
The agency issued a warning for possible floods, landslides, strong wind and high waves in the southern Kyushu region and other areas of western Japan along the Pacific Ocean, Japan Times reported.
