What is the current water temperature in Incheon?

As of now, in Incheon, the water temperature is 27.05°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.

80.7

°F

August 9, 04:21

Trend:

decreasing

Yesterday:

81.0°F

Tomorrow:

80.5°F

Sunrise:

05:43

Sunset:

19:34

Day Length:

13 h. 51 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 80.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.4°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 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 83.7°F on 2018, while the historical minimum was 75.6°F on 2020.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 80.5°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Incheon

Date	Current Year actual* / forecast**	last year	10 years average
Jul 26	81.1°F	75.8°F	77.3°F
Jul 27	81.7°F	77.3°F	77.6°F
Jul 28	82.8°F	77.5°F	78.1°F
Jul 29	82.8°F	78.9°F	78.7°F
Jul 30	81.9°F	79.5°F	79.0°F
Jul 31	81.4°F	80.9°F	79.3°F
Aug 1	81.1°F	81.4°F	79.4°F
Aug 2	82.0°F	79.8°F	79.4°F
Aug 3	82.7°F	80.8°F	79.7°F
Aug 4	82.1°F	81.5°F	79.6°F
Aug 5	80.7°F	81.5°F	80.0°F
Aug 6	82.6°F	81.1°F	80.5°F
Aug 7	81.0°F	82.6°F	80.6°F
Aug 8	81.0°F	84.2°F	80.6°F
Aug 9	80.7°F	81.8°F	80.3°F
Aug 10	80.5°F	81.6°F	80.1°F
Aug 11	80.7°F	81.8°F	80.3°F
Aug 12	80.5°F	81.6°F	80.1°F
Aug 13	80.4°F	81.5°F	80.0°F
Aug 14	80.4°F	81.5°F	80.0°F
Aug 15	80.6°F	81.7°F	80.2°F
Aug 16	80.9°F	84.7°F	80.6°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 83 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, 74.4°F in Summer, and 66.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bucheon-si	80.4°F	5mi
Ansan-si	80.2°F	11mi
Anyang-si	80.1°F	13mi
Goyang-si	79.6°F	16mi
Hwaseong-si	79.9°F	18mi

* current water temperature in this city

** straight line distance from Incheon