Powerful Typhoon Mindulle is expected to approach Tokyo's Izu Islands in the Pacific on Friday, bringing strong winds and torrential rains to central through northern Japan.
Japan's Meteorological Agency says the typhoon was located over the sea south of the country as of 3 p.m. Wednesday. It was moving northward at a speed of 15 kilometers per hour.
Its central atmospheric pressure is 935 hectopascals.
Winds of up to 180 kilometers per hour are blowing near the center. The maximum instantaneous wind velocity is 252 kilometers per hour. Gusts of more than 90 kilometers per hour are blowing within a 220-kilometer radius from the center.
Seas in the Daitojima region of Okinawa Prefecture have become extremely rough.
The typhoon is forecast to shift its course northeastward and approach the Izu Islands on Friday as a very powerful storm.
The islands will be hit with winds of up to 90 kilometers per hour and maximum instantaneous wind velocity of 126 kilometers per hour on Thursday.
On Friday, winds there will be between 108 and 144 kilometers per hour. The Kanto region will have winds between 90 to 104 kilometers per hour, and the Tohoku and Tokai regions 72 to 86 kilometers per hour.
Maximum instantaneous wind velocity will be 144 to 216 kilometers per hour in the Izu Islands, 126 to 162 kilometers per hour in Kanto and 90 to 126 kilometers per hour in Tohoku and Tokai.
People on the Izu Islands and the coastal areas of Kanto are advised to stay indoors.
Waves of up to 8 meters are expected through Thursday off the Izu and Ogasawara islands, 7 meters in Okinawa and 6 meters in the Amami region of Kagoshima Prefecture and off Kansai and Tokai.
On Friday, there will be waves of up to 11 meters off the Izu Islands, 8 meters off Tokai, Kanto and the Ogasawara Islands and 6 meters off Kansai and Tohoku.
The Izu Islands are expected to have 200 to 300 millimeters of rain over a 24-hour period through late Friday afternoon. Kanto and Tokai are expected to have 100 to 150 millimeters and Tohoku 50 to 100 millimeters.
People are advised to be prepared for possible disasters and confirm a means of evacuation before the storm approaches.