Photo/Illutration The projected path of Typhoon No. 1 as of 3 p.m. on May 30. It is expected to be downgraded to an extratropical cyclone by 3 p.m. on May 31. (From the Japan Meteorological Agency website)

Commuters in the Kanto region could be sloshing their way to work on May 31 in miserable conditions as approaching Typhoon No. 1 could bring heavy downpours and strong winds.

The season's first typhoon, which formed on May 26, is expected to continue to travel along the Pacific coast.

The typhoon may approach the Izu Island chain south of Tokyo around May 31 and bring torrential rain to the region.

A heavy rain warning could be issued for the region. The rain clouds and a rain front affected by the typhoon can cause downpours accompanied by thunder in the Kanto and other regions on the Pacific Ocean side.

The Japan Meteorological Agency reported that Typhoon No. 1 was moving about 100 kilometers east of Minami-Daitojima island in Okinawa Prefecture as of May 29.

The typhoon was traveling northeast at a speed of 35 kph. It has a central barometric pressure of 990 hectopascals and a maximum wind speed of 108 kph, the agency said.

In Kita-Daito village in Okinawa Prefecture, where the typhoon neared, strong winds were reported. A maximum instantaneous wind speed of 89 kph was recorded in the area by 3 p.m. on May 29.