What is the current water temperature in Incheon?

As of now, in Incheon, the water temperature is 24.03°C. It's safe to say that the water is comfortably warm for various water-related activities.

South Korea > Incheon

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.

75.3

°F

July 4, 11:42

Trend:

increasing

Yesterday:

75.2°F

Tomorrow:

75.5°F

Sunrise:

05:17

Sunset:

19:58

Day Length:

14 h. 41 min.

Incheon in July

Minimum:

39.2°F

Average:

40.7°F

Maximum:

44.2°F

Sea water temperature in Incheon today

As of now, in Incheon, the water temperature is 75.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.3°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 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 75.3°F on 2021, while the historical minimum was 70.9°F on 2016.

latest data

last year

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 76.1°F, with minimum temperature starting at 75.5°F, while the maximum might reach 76.7°F.

Daily water temperature in Incheon

Date	Current Year actual* / forecast**	last year	10 years average
Jun 20	69.9°F	73.5°F	69.6°F
Jun 21	69.9°F	74.2°F	69.8°F
Jun 22	69.5°F	73.7°F	70.1°F
Jun 23	69.9°F	73.4°F	70.2°F
Jun 24	72.6°F	74.3°F	70.9°F
Jun 25	72.2°F	74.5°F	71.0°F
Jun 26	71.7°F	72.9°F	70.8°F
Jun 27	70.7°F	73.5°F	70.7°F
Jun 28	70.6°F	74.2°F	71.3°F
Jun 29	70.5°F	74.3°F	71.4°F
Jun 30	73.0°F	74.4°F	71.7°F
Jul 1	74.1°F	73.4°F	72.1°F
Jul 2	75.1°F	75.1°F	72.5°F
Jul 3	75.2°F	74.6°F	72.9°F
Jul 4	75.3°F	73.7°F	72.9°F
Jul 5	75.5°F	74.2°F	73.1°F
Jul 6	75.6°F	74.2°F	73.3°F
Jul 7	75.9°F	74.4°F	73.5°F
Jul 8	76.1°F	74.3°F	73.7°F
Jul 9	76.2°F	74.5°F	73.8°F
Jul 10	76.7°F	74.3°F	74.4°F
Jul 11	76.7°F	74.9°F	74.3°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 82 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 15, 2025, dipping to 33.7°F. The average readings by season are 41.2°F in Winter, 49.9°F in Spring, 74.3°F in Summer, and 66.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bucheon-si	74.9°F	5mi
Ansan-si	75.6°F	11mi
Anyang-si	75.4°F	13mi
Goyang-si	76.2°F	16mi
Hwaseong-si	75.7°F	18mi

* current water temperature in this city

** straight line distance from Incheon