A typhoon is forecast to approach western and eastern Japan from Tuesday through Wednesday, with the weather agency warning of lightning, gusts, hail and torrential rain over the weekend. Services on the Tokaido, Sanyo, Joetsu and Hokuriku Shinkansen bullet trains may be canceled or suspended on part or all of their sections around Tuesday and Wednesday due to the typhoon, train operators said. Typhoon Shanshan was located around the Mariana Islands on Saturday, moving northward at a speed of 20 kilometers per hour.