Friday will bring mild weather across South Korea, with snow or rain forecast for some areas including the mountainous regions of Gangwon Province.
Morning lows are expected to range from minus 2 to 4 degrees Celsius, with afternoon highs of 6 to 14 degrees Celsius. Spring-like weather slightly above seasonal averages will continue with minimal temperature fluctuations in the coming days.
Snow or rain is forecast for the afternoon in Gangwon Province's eastern coastal and mountainous areas, the northeastern mountains and eastern coast of North Gyeongsang Province, and inland areas of eastern Busan, Ulsan, and South Gyeongsang Province.
Snowfall accumulation over the two-day period from Dec. 12 to 13 is projected at 5 to 15 centimeters in Gangwon's mountainous regions, with some areas exceeding 20 centimeters. The Gangwon eastern coast may see 1 to 3 centimeters, while North Gyeongsang's northeastern mountains could receive 1 to 5 centimeters. Less than 1 centimeter is expected along North Gyeongsang's northern coast and in Ulsan.
Precipitation is forecast at 5 to 20 millimeters for coastal and mountainous areas in Gangwon and North Gyeongsang provinces, and 5 to 10 millimeters for Busan and Ulsan.
Central regions will see clear skies becoming cloudy by afternoon. Southern regions and Jeju Island will be partly cloudy. Eastern coastal areas expecting snow or rain will remain mostly overcast.
Fine dust levels will range from "good" to "moderate" nationwide, though the Honam and Jeju regions may temporarily reach "poor" levels in the early morning hours.
Wave heights are forecast at 1.0 to 3.5 meters in the East Sea, 0.5 to 1.0 meters in the West Sea, and 0.5 to 2.5 meters in the South Sea. Offshore waters approximately 200 kilometers from the coastline will see waves of 1.0 to 3.5 meters in the East and South seas, and 0.5 to 1.5 meters in the West Sea.