Jumunjin surfForecast / South Korea / South Korea

information circle48hr Weather and Surf, issued 2 pm Monday 18 May 2026 KST
Forecast update in hr  min  s Forecast update imminent
Jumunjin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jumunjin sea temperature is
16.3° C
(Which is 1.7°C warmer than normal for this time of year)

How big are the waves at Jumunjin today?

The current surf forecast for Jumunjin at 8PM is: 0.4m 6s primary swell from a Northeast direction and 0.3m 3s secondary swell from a Southeast direction (forecast issued at 02:00pm May 18). The wind direction is predicted to be offshore.

Time (KST) & DateWave HeightWave Period
Morning (18 May)--
Afternoon (18 May)1.5ft (0.4m)6s
Evening (18 May)1.5ft (0.4m)6s

Table - waves today at Jumunjin. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 72mm), heaviest during Wed night. Warm (max 27°C on Mon afternoon, min 14°C on Wed afternoon). Wind will be generally light.

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
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
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.2
NNE
7
0.4
NE
6
0.4
NE
6
0.4
NE
6
0.4
NE
6
0.4
SE
5
0.4
SE
5
0.3
SE
5
0.4
NE
5
0.2
SSE
5
0.2
NNW
3
0.3
N
3
0.2
NNW
3
0.2
N
3
0.3
N
3
0.3
NNE
3
0.4
NE
4
0.3
NE
4
0.3
NE
4
0.2
ENE
4
0.4
NE
4
0.7
ENE
4
1.1
ENE
5
1.3
E
6
Wave Graph
Metric surfscale
Energy kJ
4
10
10
9
9
9
7
4
7
2
1
2
1
1
1
2
4
2
2
1
3
16
56
122
Wind (km/h)
5
E
5
SE
5
S
10
WSW
10
W
10
SW
10
WSW
10
N
10
N
5
NNW
10
NNW
5
NW
10
NW
5
NW
5
NNW
5
SW
5
S
5
ESE
10
E
15
NE
20
ENE
20
ENE
20
ENE
20
ENE
glassy
glassy
cross-off
cross-off
cross-off
off
off
cross-on
cross-on
cross-on
cross
cross-off
cross
cross
cross
glassy
cross-off
glassy
cross-on
on
cross-on
cross-on
cross-on
on
High Tide
6:21AM0.25m
3:49PM0.36m
7:32AM0.24m
4:38PM0.35m
8:50AM0.23m
Low Tide
10:53PM-0.01m
9:45AM0.22m
11:49PM-0.01m
10:21AM0.22m
00:47AM0.01m
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
mod rain
mod rain
heavy rain
heavy rain
mod rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:11
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:29
7:30
7:30
7:31
1
4
6
10
14
11
7
13
Temp °C
25
26
27
24
23
22
22
23
21
21
21
20
18
18
17
16
16
15
14
15
16
16
16
16
24
25
26
22
20
19
19
21
19
19
19
19
16
17
16
16
16
15
14
14
14
14
14
14
Swell 1
Height (m)
Direction
Period (s)
0.2
NNE
7
0.4
NE
6
0.4
NE
6
0.4
NE
6
0.4
NE
6
0.4
SE
5
0.4
SE
5
0.3
SE
5
0.3
SE
5
0.3
NNE
3
0.1
SE
4
0.1
NE
5
0.1
NE
5
0.1
NE
4
0.3
NNE
3
0.4
NE
4
0.3
NE
4
0.3
NE
4
0.2
ENE
4
0.1
N
9
0.1
NE
8
0.6
SE
6
0.8
ESE
7
Energy kJ
4
10
10
9
9
9
7
4
4
2
1
1
1
1
2
4
2
2
1
2
3
26
57
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
4
0.2
ESE
3
0.3
SE
3
0.3
SE
5
0.3
NE
6
0.3
NE
6
0.2
NNE
5
0.2
SSE
5
0.1
SE
4
0.1
NE
5
0.1
SE
4
0.1
SE
4
0.1
SE
4
0.1
SE
4
0.1
SE
4
0.1
SE
4
Energy kJ
1
1
2
3
5
5
3
2
1
1
1
1
1
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
5
0.2
NNW
3
0.1
SE
6
0.1
NE
5
0.1
NE
5
0.1
SE
4
Energy kJ
1
1
2
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.3
SE
4
0.3
SE
3
0.4
NE
5
0.2
NNW
3
0.3
N
3
0.2
NNW
3
0.2
N
3
0.3
N
3
0.2
NNW
3
0.2
S
4
0.4
NE
4
0.7
ENE
4
1.1
ENE
5
1.3
E
6
Energy kJ
3
1
7
1
2
1
1
1
1
1
3
16
56
122
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
Distance (km)
1071
691
653
653
653
653
653
653
691
691
691
653
653
653
653
653
560
653
498
498
498
304
304
304
Best forecast wave conditions in South Korea
Rating
(10 max)
2
1
1
1
Best forecast wave conditions in South Korea
Rating
(10 max)
2
1
1
1
Header Global
Rating
(10 max)
4
6
5
4
4
5
5
4
4
4
4
4
4
4
4
4
5
5
4
5
5
5
5
5
  • 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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