The warmest sea in South Korea today is 13°C / 55°F, and the coldest sea temperature today is 2°C / 36°F.
For more detailed information about water temperature, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name.South Korea all cities and resorts
South Korea cities and resorts
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To calculate the sea surface temperature (SST) used satellite data, together with in-situ observations