What is the current water temperature in Incheon?

Q: What is the current water temperature in Incheon?

As of now, in Incheon, the water temperature is 5.16°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

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.

41.3

°F

March 20, 03:14

Trend:

increasing

Yesterday:

40.9°F

Tomorrow:

41.7°F

Sunrise:

06:38

Sunset:

18:44

Day Length:

12 h. 6 min.

Incheon in March

Minimum:

40.0°F

Average:

41.7°F

Maximum:

44.3°F

Sea water temperature in Incheon today

As of now, in Incheon, the water temperature is 41.3°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.4°F lower 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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 45.1°F on 2020, while the historical minimum was 41.6°F on 2022.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 42.3°F, with minimum temperature starting at 41.7°F, while the maximum might reach 43.2°F.

Daily water temperature in Incheon

Date	Current Year actual* / forecast**	last year	10 years average
Mar 6	40.4°F	37.7°F	39.5°F
Mar 7	40.6°F	38.4°F	39.8°F
Mar 8	40.7°F	38.7°F	39.9°F
Mar 9	40.7°F	37.3°F	40.0°F
Mar 10	39.9°F	38.3°F	40.0°F
Mar 11	40.6°F	39.6°F	40.3°F
Mar 12	40.5°F	39.8°F	40.6°F
Mar 13	40.9°F	39.8°F	41.0°F
Mar 14	41.1°F	41.4°F	41.5°F
Mar 15	40.8°F	41.3°F	41.4°F
Mar 16	41.2°F	42.2°F	41.8°F
Mar 17	40.5°F	41.6°F	42.0°F
Mar 18	40.9°F	41.8°F	42.0°F
Mar 19	40.9°F	41.8°F	42.3°F
Mar 20	41.3°F	42.0°F	42.7°F
Mar 21	41.7°F	42.2°F	43.2°F
Mar 22	42.0°F	42.8°F	43.4°F
Mar 23	41.7°F	43.0°F	43.1°F
Mar 24	42.1°F	43.5°F	43.5°F
Mar 25	42.6°F	44.1°F	44.0°F
Mar 26	42.7°F	44.4°F	44.2°F
Mar 27	43.2°F	45.8°F	44.7°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 84 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, 50.1°F in Spring, 74.6°F in Summer, and 67.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bucheon-si	41.1°F	5mi
Ansan-si	43.5°F	11mi
Anyang-si	43.5°F	13mi
Goyang-si	44.7°F	16mi
Hwaseong-si	43.7°F	18mi

* current water temperature in this city

** straight line distance from Incheon