Jeju Water Temperature

(Today) 2025

15.1°C / 59.2°F

The water will feel medium. The water will feel a bit chilly in just bathers / swimming costume. If you plan on wearing a wetsuit 4/3mm should be thick enough.

*Live data from : 16.2°C / 61.2°F

Current weather

8°C / 46°F
(clear sky)
Partly cloudy
Wind
5 mph
Humidity
57%

The measurements for the water temperature in Jeju, Jeju are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Jeju water temperature derived from many years of historical sea surface temperature data.

Jeju average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Jeju
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 13 12.3 12.1 12.6 13.9 16.8 21.1 23.2 22.7 19.5 16.4 14
Max °C 16.4 15 14.6 16.7 19.5 24.4 27.8 29.1 26.6 24.2 21.4 17.9
Min °F 56.8 55.2 54.7 56.3 59.3 65.3 72.6 76.1 74.4 68.9 63.5 58.7
Max °F 60.2 57.9 57.2 60.4 64.9 72.9 79.3 82 78.3 73.6 68.5 62.6

The warmest water temperature is in August with an average around 79°F / 26.1°C. The coldest month is March with an average water temperature of 55.9°F / 13.3°C.

7 day tide forecast for Jeju

WedThuFriSatSunMonTue
  • High 4:06am
    (1.67m)
  • Low 10:07am
    (1.07m)
  • High 3:37pm
    (1.68m)
  • Low 10:43pm
    (0.74m)
  • High 5:43am
    (1.66m)
  • Low 11:37am
    (1.22m)
  • High 4:35pm
    (1.55m)
  • Low 11:56pm
    (0.73m)
  • High 7:26am
    (1.75m)
  • Low 1:40pm
    (1.23m)
  • High 6:05pm
    (1.47m)
  • Low 1:15am
    (0.65m)
  • High 8:37am
    (1.91m)
  • Low 2:57pm
    (1.11m)
  • High 7:30pm
    (1.49m)
  • Low 2:20am
    (0.49m)
  • High 9:25am
    (2.09m)
  • Low 3:44pm
    (0.97m)
  • High 8:32pm
    (1.58m)
  • Low 3:11am
    (0.3m)
  • High 10:03am
    (2.26m)
  • Low 4:21pm
    (0.82m)
  • High 9:20pm
    (1.69m)
  • Low 3:55am
    (0.12m)
  • High 10:38am
    (2.4m)
  • Low 4:55pm
    (0.68m)
  • High 10:02pm
    (1.83m)
7 day tide times for Jeju

*These tide times are estimates based on the nearest accurate location (Cheju, Cheju Do, South Korea) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.