Jumunjin Surf Break

Jumunjin 48 hour detailed Surf Forecast

Lat Long: 37.88° N 128.83° E

Issued: 2 am 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Jumunjin sea temperature is
21.0° C

2.0°C warmer than normal for this time of year

Jumunjin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Jumunjin today (20 Jun):

  • Morning surf: Morning surf (20 Jun, local time) - 5ft (1.6m), 5s period with E swell.
  • Afternoon surf: Afternoon surf (20 Jun, local time) - 7ft (2.2m), 8s period with E swell.
  • Evening surf: Evening surf (20 Jun, local time) - 4.5ft (1.3m), 8s period with E swell.

The current surf forecast for Jumunjin at 7AM is: 0.9m 4s primary swell from a East-southeast direction (forecast issued at 02:00am June 20). The wind direction is predicted to be cross-shore.

Time (KST) & DateWave HeightWave Period
Morning (20 Jun)5ft (1.6m)5s
Afternoon (20 Jun)7ft (2.2m)8s
Evening (20 Jun)4.5ft (1.3m)8s

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 83mm), heaviest during Sat morning. Warm (max 21°C on Sat morning, min 18°C on Sat night). Winds decreasing (strong winds from the NW on Sat night, calm by Mon night).

Saturday
20
Sunday
21
Monday
22
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
!
1
0
0
0
0
!
!
0
!
!
!
!
!
3
3
3
3
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
ESE
3
0.7
ESE
4
0.9
ESE
4
1.6
E
5
3
ESE
8
2.2
E
8
1.9
E
8
1.3
E
8
4
NNW
9
5
N
10
4.5
N
10
4.5
NNE
11
4
NNE
11
3.5
NE
11
3.5
NE
11
3
NE
11
3
NE
11
3
NE
11
2.5
NE
11
2.5
NE
11
2.4
NE
11
2.3
NE
11
2.3
NE
11
2.3
NE
11
Wave Graph
Metric surfscale
Energy kJ
4
11
24
149
937
573
424
193
3122
4702
4314
4571
3817
2786
2555
2369
2059
1830
1538
1376
1278
1154
1176
1189
Wind (km/h)
10
SE
15
SE
30
E
25
ENE
15
N
30
WNW
25
WNW
40
NW
45
NW
35
NW
30
NW
20
NNW
25
N
20
N
10
N
10
N
10
NNW
15
NNW
10
NNW
10
N
10
NNE
5
ENE
10
SE
10
SSE
Wind State
cross
cross
cross-on
on
cross-on
cross-off
cross-off
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
on
cross
cross-off
High Tide
8:33AM0.23m
6:26PM0.28m
9:10AM0.23m
7:33PM0.25m
9:45AM0.24m
8:58PM0.21m
Low Tide
1:19AM0.04m
12:37PM0.19m
2:05AM0.07m
2:09PM0.18m
2:48AM0.10m
3:48PM0.16m
cloud
light rain
heavy rain
heavy rain
heavy rain
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:01
5:01
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:49
7:50
7:50
 mm
4
18
39
31
5
1
1
3
3
Temp °C
22
22
20
19
21
20
20
19
18
19
19
21
21
21
20
19
18
19
19
19
20
20
21
19
Feels °C
24
23
17
17
22
17
18
13
12
15
15
19
18
20
21
20
18
19
20
20
21
21
22
19
Swell 1
Height (m)
Direction
Period (s)
2.5
E
7
2.2
E
8
1.9
E
8
1.3
E
8
0.8
E
8
0.3
SSE
11
0.3
SSE
8
4
NNE
11
4
NNE
11
3.5
NE
11
3.5
NE
11
3
NE
11
3
NE
11
3
NE
11
2.5
NE
11
2.5
NE
11
2.4
NE
11
2.3
NE
11
2.3
NE
11
2.3
NE
11
Energy kJ
681
573
424
193
72
22
11
3854
3232
2786
2555
2369
2059
1830
1538
1376
1278
1154
1176
1189
Swell 2
Height (m)
Direction
Period (s)
1.1
SSE
8
0.8
SSE
8
0.6
SSE
10
0.5
NE
14
Energy kJ
128
78
63
89
Swell 3
Height (m)
Direction
Period (s)
0.5
SE
8
Energy kJ
28
Wind waves
Height (m)
Direction
Period (s)
0.4
ESE
3
0.7
ESE
4
0.9
ESE
4
1.6
E
5
3
ESE
8
0.4
W
3
0.8
WNW
4
1.9
NW
6
4
NNW
9
5
N
10
4.5
N
10
4.5
NNE
11
4
NNE
11
Energy kJ
4
11
24
149
937
2
21
293
3122
4702
4314
4571
3817
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
1
2
1
2
2
2
4
1
1
1
1
3
3
4
4
1
1
2
4
Distance (km)
653
653
653
653
10
912
635
641
560
633
304
89
560
560
560
560
498
498
16
89
633
633
304
0
Best forecast wave conditions in South Korea
Rating
(10 max)
2
2
2
4
1
1
1
1
1
4
4
2
4
Best forecast wave conditions in South Korea
Rating
(10 max)
2
2
2
4
1
1
1
1
1
4
4
2
4
Header Global
Rating
(10 max)
4
4
4
4
5
5
5
5
5
5
8
9
9
9
8
7
8
8
8
7
6
5
6
6
  • 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
How to use the Wavefinder 

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