Water temperature in Jeju City
80.7
°F
September 11, 10:13
Trend:
decreasingYesterday:
80.9°FTomorrow:
80.5°F
Sunrise:
Sunset:
Day Length:
12 h. 33 min.Jeju City in September
Minimum:
59.4°FAverage:
60.9°FMaximum:
62.0°FSea water temperature in Jeju City today
As of now, in Jeju City, the water temperature is 80.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.7°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.Recent sea temperature and forecast
Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 82.1°F on 2025, while the historical minimum was 75.1°F on 2020.
Daily water temperature in Jeju City
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 28 | 84.6°F | 84.5°F | 81.6°F |
| Aug 29 | 85.2°F | 83.2°F | 81.2°F |
| Aug 30 | 85.2°F | 84.7°F | 81.6°F |
| Aug 31 | 85.2°F | 84.2°F | 81.8°F |
| Sep 1 | 85.1°F | 85.7°F | 81.3°F |
| Sep 2 | 84.6°F | 85.4°F | 81.2°F |
| Sep 3 | 84.1°F | 85.7°F | 80.7°F |
| Sep 4 | 82.7°F | 83.7°F | 80.1°F |
| Sep 5 | 81.4°F | 83.9°F | 79.7°F |
| Sep 6 | 79.5°F | 83.2°F | 79.8°F |
| Sep 7 | 79.7°F | 85.6°F | 80.0°F |
| Sep 8 | 80.9°F | 85.1°F | 79.5°F |
| Sep 9 | 81.4°F | 83.5°F | 79.5°F |
| Sep 10 | 80.9°F | 83.4°F | 79.2°F |
| Sep 11 | 80.7°F | 82.1°F | 79.0°F |
| Sep 12 | 80.5°F | 81.7°F | 78.9°F |
| Sep 13 | 80.5°F | 84.1°F | 78.9°F |
| Sep 14 | 80.0°F | 82.7°F | 78.3°F |
| Sep 15 | 80.1°F | 83.3°F | 78.5°F |
| Sep 16 | 80.1°F | 83.2°F | 78.4°F |
| Sep 17 | 80.1°F | 83.8°F | 78.4°F |
| Sep 18 | 79.9°F | 83.4°F | 78.2°F |
* actual - actual temperature values
** forecast - projected values for the next week
Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.
Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.