Water temperature in Busan

This data the coastal Busan sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Busan

Water temperature in Busan today is 25.5°C. Based on our historical data over a period of ten years, the warmest water in this day in Busan was recorded in 2024 and was 25.1°C, and the coldest was recorded in 2012 at 21.5°C. Sea water temperature in Busan is expected to drop to 22.3°C in the next 10 days. October average water temperature in Busan is 22.2°C, the minimum temperature is 18.8°C, and the maximum is 25.5°C.

The swimming season in Busan lasts from June to October. During those months, Busan water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Busan in winter reaches 14.8°C, in spring 14.9°C, in summer the average temperature rises to 23.6°C, and in autumn it is 22.1°C.

Busan water temperature now

The sea salinity in Busan is 32.51‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Busan for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Busan. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Busan. Data in table shown for 5 October 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Busan

Busan weather forecast

Current temperature and weather

Data in a table show Busan temperature today (5 October 2025). For more information and forecast for a few days, go to the weather forecast Busan.

0-3 h	3-6 h	6-9 h	9-12 h
22°C	22°C	21.8°C	23.2°C

12-15 h	15-18 h	18-21 h	21-24 h
24.9°C	23.8°C	22.7°C	22.3°C

Busan water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Busan. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Busan on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Busan

The nearest beaches and cities from Busan with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Chinhae	22.8°C	24°C		0.11 m
Sinhyeon	23.8°C	24°C		0.25 m
Ulsan	24.3°C	23°C		0.44 m
Kyosai	23.8°C	24°C		0.25 m
Masan	22.6°C	24°C		0.11 m
Geoje	23.6°C	24°C		0.13 m
Pohang	23.2°C	22°C		0.59 m
Hoko	23.2°C	22°C		0.54 m
Reisui	23.4°C	24°C		0.07 m
Yeosu	23.1°C	24°C		0.08 m

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Our report for Busan is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.