A typhoon with 115 mph winds is spinning toward Japan and is expected to lash the country this weekend, Japan's Meteorological Agency said Friday.

Typhoon Lan is expected to make landfall Sunday south of Tokyo as a typhoon, NASA reported.

"It will likely rain very heavily in the Nansei island chain (in southern Japan), in the Pacific side of western and eastern Japan from the 21st to 23rd. There is a chance it will rain violently in some regions," the agency said in a statement, according to Reuters.

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The Joint Typhoon Warning Center expects the storm's winds to peak near 138 mph on Sunday and then begin weakening as it approaches landfall in eastern Japan, NASA reports.

Typhoon Lan as it approaches Japan. NASA

According to NASA, Typhoon Lan had a 50 nautical mile eye that was surrounded by powerful thunderstorms spiraling into the center of circulation as of 11:30 a.m. ET Friday.

Japan's Meteorological Agency placed all prefectures along Japan's east coast under advisory status for gale force winds and high waves, according to NASA. In addition, some areas were also under an advisory for storm surge.

Japan will hold a national election Sunday, and local authorities in Okinawa have decided to move the voting date to Saturday for some remote islands, Reuters reports.