Saturday the 17th will be warm as daytime temperatures climb sharply, though strong winds are expected across most of the country.
Morning lows were forecast at 7 to 16 degrees Celsius, with daytime highs of 21 to 27 degrees. Seoul will reach 25 degrees, warmer than the seasonal average. The gap between daytime and nighttime temperatures will be very wide, at about 15 degrees, so people heading outdoors should dress accordingly.
Winds will blow strongly across most of the country from the afternoon. Skies will be mostly clear before gradually clouding over from the evening.
Between dawn and morning, fog reducing visibility to less than one kilometer is expected in parts of eastern Gyeonggi Province, inland and mountainous areas of Gangwon Province, North Chungcheong Province, inland areas of the Gyeongbuk region and inland areas of western Gyeongnam. Waves are forecast to run high in some waters from the afternoon.
Waves will reach 0.5 to 2.0 meters in coastal waters of the East Sea, the West Sea and the South Sea. In nearer offshore waters, defined as waters within about 200 kilometers of the coastline, wave heights are expected at 0.5 to 2.5 meters in the East Sea, 0.5 to 3.5 meters in the West Sea and 0.5 to 2.0 meters in the South Sea.
Rain is forecast nationwide on Sunday the 18th. Expected rainfall that day is 30 to 80 millimeters in Seoul, Incheon and Gyeonggi Province and the Chungcheong region, 20 to 70 millimeters in inland and mountainous areas of Gangwon Province, and 20 to 60 millimeters in Jeonbuk State. Gwangju and South Jeolla Province will see 5 to 40 millimeters, while Busan, Ulsan and South Gyeongsang Province will get 5 to 30 millimeters.