Typhoon Chanthu is expected to directly impact Jeju Island Thursday afternoon. 

According to the Korea Meteorological Administration(KMA), Chanthu, the 14th typhoon of this year, was moving west at ten kilometers per hour from waters some 370 kilometers south by southwest of Seogwipo as of 3 a.m. Thursday. 

The weather agency forecast that the typhoon will come closest to Jeju at 8 a.m. Friday after passing through waters some 60 kilometers southwest of Seogwipo at 3 a.m. Friday. 

The agency projected that the typhoon will dump between 50 and 80 millimeters of rain per hour from Thursday afternoon to Friday morning. The island is set to see between 100 and 300 millimeters of rainfall through Friday with some areas likely to see more than 400 millimeters.  

After passing Jeju, Chanthu is expected to move rapidly toward Japan’s Nagoya City. The typhoon's maximum wind speed currently stands at 29 meters per second.