Jumunjin Surf Break

Lat Long: 37.88° N 128.83° E

Jumunjin 48 hour detailed Surf Forecast

Issued: 8 am 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Jumunjin sea temperature is
23.4°C
1.9° 

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 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 3ft (0.9m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 2.5ft (0.8m), 7s period with ENE swell.
  • Evening surf: Evening surf (20 Sep, local time) - 2.5ft (0.8m), 7s period with ENE swell.

The current surf forecast for Jumunjin at 1PM is: 0.9m 7s primary swell from a East-northeast direction (forecast issued at 08:00am September 20). The wind direction is predicted to be onshore.

Time (KST) & DateWave HeightWave Period
Morning (20 Sep)3ft (0.9m)7s
Afternoon (20 Sep)2.5ft (0.8m)7s
Evening (20 Sep)2.5ft (0.8m)7s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Tue morning, min 17°C on Sun night). Wind will be generally light.

Sunday
20
Monday
21
Tuesday
22
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
1
0
0
1
1
0
0
0
0
0
0
0
1
0
1
1
2
1
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
ENE
7
0.9
ENE
7
0.9
ENE
7
0.8
ENE
7
0.8
ENE
7
0.8
ENE
7
0.7
ENE
6
0.7
ENE
6
0.6
ENE
6
0.6
ENE
6
0.6
ENE
6
0.6
ENE
6
0.8
ENE
6
0.9
ENE
6
1.1
ENE
6
1.2
NE
7
1.3
NE
7
1.4
NE
7
1.4
NE
7
1.3
NE
8
1.3
NE
8
1.3
NE
8
Wave Graph
Metric surfscale
Energy kJ
88
73
66
53
51
50
36
36
31
30
30
29
42
62
104
156
194
215
215
200
186
186
Wind (km/h)
10
NW
5
NW
10
NNE
10
NE
5
NE
5
WSW
10
W
10
WNW
10
W
5
NNW
10
N
15
N
10
NNW
10
WNW
10
NNW
10
NNW
5
NNW
5
N
10
NE
10
ENE
10
ESE
10
S
Wind State
cross
glassy
on
on
glassy
glassy
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
cross-off
cross
cross
cross-on
glassy
on
cross-on
cross-on
cross-off
High Tide
8:10AM0.27m
9:38AM0.27m
2:27AM0.23m
10:56AM0.28m
Low Tide
5:22PM0.10m
6:16PM0.09m
5:25AM0.22m
6:58PM0.08m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:23
6:22
 mm
Temp °C
18
19
21
21
20
18
17
17
17
20
21
21
20
19
20
19
19
20
22
22
20
19
Feels °C
19
20
22
21
22
19
16
16
17
21
21
20
20
19
20
19
20
21
22
22
20
19
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Jumunjin surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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