All data are in degrees Fahrenheit

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Water temperature in Incheon

Detailed information about the current water temperature in Incheon. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Incheon now

79.3

°F

July 27, 10:14

Trend:

increasing

Yesterday:

79.1°F

Tomorrow:

79.8°F

Sunrise:

05:33

Sunset:

19:46

Day Length:

14 h. 13 min.

Incheon in August

Minimum:

38.1°F

Average:

40.6°F

Maximum:

43.6°F

Sea water temperature in Incheon today

As of now, in Incheon, the water temperature is 79.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.5°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 82.3°F on 2021, while the historical minimum was 74.6°F on 2020.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 80.8°F, with minimum temperature starting at 79.8°F, while the maximum might reach 81.5°F.

Daily water temperature in Incheon

Date Current Year

actual* / forecast**

last year 10 years average
Jul 13 79.6°F 79.5°F 75.5°F
Jul 14 80.4°F 77.2°F 75.6°F
Jul 15 78.5°F 76.8°F 76.0°F
Jul 16 77.7°F 76.5°F 75.7°F
Jul 17 78.0°F 76.3°F 75.7°F
Jul 18 76.8°F 76.0°F 75.8°F
Jul 19 76.7°F 75.9°F 76.0°F
Jul 20 75.9°F 77.1°F 76.2°F
Jul 21 78.1°F 78.4°F 76.6°F
Jul 22 77.6°F 78.3°F 76.9°F
Jul 23 77.3°F 78.4°F 76.9°F
Jul 24 78.4°F 79.3°F 77.0°F
Jul 25 78.7°F 80.0°F 77.4°F
Jul 26 79.1°F 81.1°F 77.6°F
Jul 27 79.3°F 81.7°F 77.8°F
Jul 28 79.8°F 82.8°F 78.3°F
Jul 29 80.5°F 82.8°F 78.9°F
Jul 30 80.7°F 81.9°F 79.2°F
Jul 31 81.0°F 81.4°F 79.4°F
Aug 1 81.2°F 81.1°F 79.7°F
Aug 2 81.2°F 82.0°F 79.7°F
Aug 3 81.5°F 82.7°F 80.0°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.

Sea water temperature in Incheon by month

In Incheon, the months July through September offer comfortable swimming conditions, which amounts to 86 swimming days.
The warmest water in Incheon was recorded on August 18, 2024, reaching a 85.3°F. While the coldest temperature occurred on February 5, 2026, dipping to 33.1°F. The average readings by season are 41.1°F in Winter, 50.2°F in Spring, 74.7°F in Summer, and 67.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Bucheon-si 79.1°F 5mi
Ansan-si 78.5°F 11mi
Anyang-si 78.2°F 13mi
Goyang-si 78.7°F 16mi
Hwaseong-si 78.6°F 18mi

* current water temperature in this city

** straight line distance from Incheon