Skies will be mostly clear across South Korea on Thursday, the 15th, but chilly weather will persist with morning lows falling to 3 degrees Celsius.
Morning lows will range from 3 to 12 C and daytime highs from 19 to 24 C, according to the Korea Meteorological Administration.
Cold air moving south from the northwest will push morning temperatures down. The gap between daytime and nighttime temperatures will be very wide, at around 15 degrees.
Frost is expected in inland and mountainous areas of Gangwon State, in North Chungcheong Province and in southern inland areas. Ice may form on mountain peaks in Gangwon State.
From late afternoon through the night, rainfall of less than 0.1 millimeters is forecast for Seoul, Incheon, southern Gyeonggi Province and the northern mountains of Gangwon State. The five West Sea islands are expected to receive 5 to 20 millimeters, while northern Gyeonggi Province and inland areas of northern Gangwon State will see less than 5 millimeters.
Waves will run 0.5 to 2.0 meters in coastal waters of the East Sea, 0.5 to 2.5 meters in the West Sea and 0.5 to 1.5 meters in the South Sea.
In inner offshore waters, defined as areas within about 200 kilometers of the coastline, wave heights are forecast at 0.5 to 3.5 meters in the East Sea and West Sea and 0.5 to 2.0 meters in the South Sea.