All data are in degrees Fahrenheit

en

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

69.6

°F

October 25, 00:30

Trend:

stable

Yesterday:

69.9°F

Tomorrow:

69.6°F

Sunrise:

06:38

Sunset:

17:38

Day Length:

11 h. 0 min.

Busan in October

Minimum:

54.1°F

Average:

56.8°F

Maximum:

59.0°F

Sea water temperature in Busan today

As of now, in Busan, the water temperature is 69.6°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.7°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 stay about the same.

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 72.6°F on 2025, while the historical minimum was 66.1°F on 2023.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 68.8°F, the minimum temperature may reach 67.9°F, and the maximum might stay at 69.6°F.

Daily water temperature in Busan

Date Current Year

actual* / forecast**

last year 10 years average
Oct 11 74.0°F 73.2°F 72.6°F
Oct 12 74.7°F 73.4°F 72.1°F
Oct 13 74.5°F 74.3°F 71.8°F
Oct 14 72.2°F 74.0°F 71.5°F
Oct 15 73.5°F 75.0°F 71.4°F
Oct 16 72.6°F 74.6°F 71.2°F
Oct 17 72.1°F 73.1°F 70.8°F
Oct 18 71.7°F 73.8°F 70.6°F
Oct 19 71.4°F 73.1°F 70.5°F
Oct 20 71.6°F 73.6°F 70.7°F
Oct 21 72.2°F 73.6°F 70.7°F
Oct 22 70.8°F 73.0°F 70.3°F
Oct 23 69.5°F 72.6°F 69.8°F
Oct 24 69.9°F 71.7°F 69.2°F
Oct 25 69.6°F 72.6°F 68.9°F
Oct 26 69.6°F 70.8°F 68.9°F
Oct 27 69.4°F 70.4°F 68.7°F
Oct 28 69.2°F 69.6°F 68.5°F
Oct 29 68.9°F 70.0°F 68.2°F
Oct 30 68.3°F 69.1°F 67.6°F
Oct 31 68.3°F 69.2°F 67.6°F
Nov 1 67.9°F 69.1°F 67.2°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, 57.9°F in Spring, 74.9°F in Summer, and 70.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Changwon 70.8°F 22mi
Ulsan 70.4°F 34mi
Pohang 69.1°F 67mi

* current water temperature in this city

** straight line distance from Busan