Typhoon No. 18, packing record-setting winds, was creeping northeast and is expected to hit the Hokuriku and Tohoku regions starting on the afternoon of Oct. 5.
Known as Typhoon Chaba outside Japan, the storm was 120 kilometers north of Tsushima island and moving at a speed of 45 kph as of noon. It could make landfall later in the day or early on Oct. 6.
Wide areas of western and eastern Japan are expected to see heavy rain through Oct. 5. Some areas could be drenched with more than 50 millimeters of rain per hour.
Expected rainfall in the 24 hours until the morning of Oct. 6 is 200 mm on Shikoku island and in the Kinki region, 180 mm in northern Kyushu, and 150 mm in southern Kyushu as well as the Tokai, Hokuriku and Kanto-Koshin regions.
The typhoon cut through waters west of the Okinawa island chain and headed north on Oct. 4.
In the early hours of that day, a maximum wind speed of 173.2 kph was recorded on Kumejima, an island west of the main Okinawa island.
It was the strongest wind recorded on the island since official typhoon observations began in 1951.