A large typhoon is expected to approach the main island of Okinawa Prefecture in southern Japan later this week, prompting the weather agency on Thursday to warn of high tides, waves and strong winds near the prefecture.Typhoon Mawar is expected to reach very near the prefecture's main island on Friday, according to the Japan Meteorological Agency. Heavy rain over a wide area from western to eastern Japan is expected through Saturday, with residents urged to stay alert for mudslides and flooding of rivers.The typhoon was moving north-northeast from some 90 kilometers from Miyako Island, at …READ FULL ARTICLE