Jungmun Beach (Jeju Island) surfForecast / South Korea / South Korea

information circle48hr Weather and Surf, issued 2 am Thursday 21 May 2026 KST
Forecast update in hr  min  s Forecast update imminent
Jungmun Beach (Jeju Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jungmun Beach (Jeju Island) sea temperature is
20.2° C
(Which is 2.9°C warmer than normal for this time of year)

How big are the waves at Jungmun Beach (Jeju Island) today?

The current surf forecast for Jungmun Beach (Jeju Island) at 6AM is: 0.9m 5s primary swell from a Southwest direction and 0.4m 6s secondary swell from a South-southeast direction (forecast issued at 02:00am May 21). The wind direction is predicted to be cross-offshore.

Time (KST) & DateWave HeightWave Period
Morning (21 May)3ft (0.9m)6s
Afternoon (21 May)3ft (0.9m)6s
Evening (21 May)2.5ft (0.7m)6s

Table - waves today at Jungmun Beach (Jeju Island). (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 21°C on Thu morning, min 17°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu afternoon, light winds from the E by Sat morning).

Thursday
21
Friday
22
Saturday
23
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.5
SE
7
0.8
SW
5
0.9
SW
5
0.9
SW
6
0.9
SW
6
0.9
SW
6
0.8
SSW
6
0.7
SSW
6
0.7
SSW
6
0.6
SSW
6
0.7
W
6
0.6
SSW
6
0.6
SSW
7
0.5
SSW
7
0.4
SSW
7
0.4
SSW
6
0.3
SSW
6
0.3
SSW
6
0.3
SSW
6
0.2
SSW
6
0.2
SSW
6
0.2
SSW
6
0.2
SSW
6
0.2
SSW
6
Wave Graph
Metric surfscale
Energy kJ
23
37
49
52
54
47
41
33
41
31
31
32
34
25
17
16
8
7
7
3
3
3
4
3
Wind (km/h)
20
SW
25
WSW
15
WNW
20
WNW
25
WNW
30
WNW
25
NW
20
NW
15
NW
10
N
10
ENE
15
E
20
E
25
E
30
E
25
E
25
E
20
E
15
ENE
10
E
5
E
20
ESE
10
NE
10
ENE
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross-off
cross
cross
cross
cross-off
cross-off
High Tide
2:31AM2.55m
1:58PM1.79m
3:34AM2.38m
3:08PM1.69m
4:42AM2.23m
4:39PM1.65m
Low Tide
9:01AM0.87m
8:41PM0.28m
10:04AM0.92m
9:45PM0.48m
11:11AM0.92m
light rain
light rain
cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:31
5:30
5:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:30
7:30
7:31
5
3
Temp °C
22
22
20
21
20
19
18
17
17
17
17
19
20
20
20
19
18
18
18
20
21
21
21
20
23
22
20
19
18
15
14
14
15
17
16
17
18
17
17
16
15
17
17
20
22
20
21
20
Swell 1
Height (m)
Direction
Period (s)
0.5
SE
7
0.5
SE
6
0.9
SW
5
0.9
SW
6
0.9
SW
6
0.9
SW
6
0.8
SSW
6
0.7
SSW
6
0.7
SSW
6
0.6
SSW
6
0.9
NW
7
0.8
NW
7
0.6
NW
7
0.5
SSW
7
0.4
SSW
7
0.4
SSW
6
0.3
SSW
6
0.3
SSW
6
0.3
SSW
6
0.3
SE
4
0.2
SSW
6
0.3
NNE
4
0.3
NNE
4
0.2
SSW
6
Energy kJ
23
20
49
52
54
47
41
33
41
31
91
64
38
25
17
16
8
7
7
3
3
3
3
3
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
10
0.4
SSE
6
0.4
SE
6
0.4
SE
7
0.3
SE
7
0.2
SSE
8
0.2
SSE
7
0.6
NW
6
0.7
W
6
0.6
SSW
6
0.6
SSW
7
0.5
NW
7
0.4
NW
6
0.3
NW
6
0.2
NNW
6
0.2
NNW
6
0.1
NE
7
0.2
SSW
6
0.2
SSE
4
0.2
SSW
6
0.2
SSW
6
0.2
N
4
Energy kJ
17
15
11
13
8
6
5
29
31
32
34
21
10
6
3
3
2
3
1
3
3
1
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
5
0.1
NE
5
0.2
ESE
11
0.1
SE
10
0.1
SE
10
0.2
ESE
10
0.3
SE
10
0.2
ESE
10
0.2
ESE
9
0.3
NW
8
0.6
S
6
0.6
W
6
0.5
W
6
0.4
WNW
6
0.3
WNW
5
0.3
WNW
5
0.2
W
5
0.1
SE
6
0.1
SE
6
0.1
NE
7
0.2
SSE
6
0.2
SSE
6
0.1
SE
6
Energy kJ
1
1
11
4
4
10
14
9
9
11
29
25
16
10
4
5
2
1
1
2
3
4
2
Wind waves
Height (m)
Direction
Period (s)
0.7
SW
4
0.8
SW
5
0.4
WNW
3
0.6
WNW
4
0.5
NW
4
0.8
WNW
5
1
WNW
5
1
WNW
6
0.9
WNW
6
0.4
E
3
0.5
E
3
0.5
E
3
0.5
E
3
0.4
SE
3
0.4
SE
4
1
E
7
0.9
ENE
7
0.8
ENE
7
0.7
ENE
6
Energy kJ
21
37
4
10
8
27
51
60
48
2
5
6
5
3
4
103
73
58
41
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
3
2
2
3
2
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
3
Distance (km)
496
496
497
677
501
677
677
497
5
5
0
496
677
732
496
496
339
339
339
5
5
497
5
496
Best forecast wave conditions in South Korea
Rating
(10 max)
1
2
2
1
1
1
1
1
1
1
1
Best forecast wave conditions in South Korea
Rating
(10 max)
1
2
2
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
4
5
5
5
5
5
5
5
5
5
4
4
5
7
8
7
6
5
5
5
5
6
8
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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