All data are in degrees Fahrenheit

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Water temperature in Busan

Detailed information about the current water temperature in Busan. 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 Busan now

54.3

°F

January 24, 03:39

Trend:

decreasing

Yesterday:

54.4°F

Tomorrow:

54.1°F

Sunrise:

07:29

Sunset:

17:44

Day Length:

10 h. 15 min.

Busan in January

Minimum:

54.9°F

Average:

57.2°F

Maximum:

58.5°F

Sea water temperature in Busan today

As of now, in Busan, the water temperature is 54.3°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 1.2°F lower 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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 56.9°F on 2020, while the historical minimum was 53.8°F on 2025.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 53.9°F, the minimum temperature may reach 53.5°F, and the maximum might stay at 54.1°F.

Daily water temperature in Busan

Date Current Year

actual* / forecast**

last year 10 years average
Jan 10 56.0°F 54.1°F 56.8°F
Jan 11 55.9°F 54.3°F 56.4°F
Jan 12 55.0°F 55.1°F 56.3°F
Jan 13 54.8°F 53.6°F 56.2°F
Jan 14 54.8°F 53.9°F 56.1°F
Jan 15 55.1°F 54.5°F 56.2°F
Jan 16 54.7°F 53.2°F 55.8°F
Jan 17 53.8°F 54.4°F 55.7°F
Jan 18 53.8°F 53.2°F 55.5°F
Jan 19 53.2°F 52.6°F 55.4°F
Jan 20 53.9°F 52.4°F 55.4°F
Jan 21 56.0°F 52.9°F 55.7°F
Jan 22 54.9°F 53.3°F 55.4°F
Jan 23 54.4°F 53.5°F 55.6°F
Jan 24 54.3°F 53.8°F 55.5°F
Jan 25 54.1°F 53.3°F 55.3°F
Jan 26 53.9°F 53.1°F 55.1°F
Jan 27 53.9°F 54.3°F 55.1°F
Jan 28 54.1°F 55.0°F 55.3°F
Jan 29 54.0°F 54.4°F 55.1°F
Jan 30 53.8°F 53.2°F 55.0°F
Jan 31 53.5°F 52.3°F 54.6°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 Busan by month

In Busan, the months July through September offer comfortable swimming conditions, which amounts to 89 swimming days.
The warmest water in Busan was recorded on August 13, 2016, reaching a 85.6°F. While the coldest temperature occurred on March 1, 2025, dipping to 49.0°F. The average readings by season are 56.6°F in Winter, 57.8°F in Spring, 74.8°F in Summer, and 70.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Changwon 44.7°F 22mi
Ulsan 56.1°F 34mi
Pohang 50.0°F 67mi

* current water temperature in this city

** straight line distance from Busan