Jumunjin Surf Break

Lat Long: 37.88° N 128.83° E

Jumunjin 48 hour detailed Surf Forecast

Issued: 8 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Jumunjin sea temperature is
25.0° C
0.8° 

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 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 0.5ft (0.2m), 5s period with SSE swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 0.5ft (0.1m), 4s period with SE swell.
  • Evening surf: Evening surf (20 Aug, local time) - 0.5ft (0.1m), 5s period with E swell.

The current surf forecast for Jumunjin at 3AM is: 0.2m 5s primary swell from a East direction and 0.1m 4s secondary swell from a Southeast direction (forecast issued at 08:00pm August 19). The wind direction is predicted to be cross-offshore.

Time (KST) & DateWave HeightWave Period
Morning (20 Aug)0.5ft (0.2m)5s
Afternoon (20 Aug)0.5ft (0.1m)4s
Evening (20 Aug)0.5ft (0.1m)5s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri afternoon. Warm (max 27°C on Fri afternoon, min 24°C on Thu afternoon). Wind will be generally light.

Wed
19
Thursday
20
Friday
21
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
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
ESE
5
0.2
ESE
5
0.2
ESE
5
0.2
E
5
0.1
SE
4
0.2
SSE
5
0.1
SE
4
0.1
SE
4
0.2
NNW
2
0.1
E
5
0.3
ENE
4
0.3
E
5
0.4
E
5
Wave Graph
Metric surfscale
Energy kJ
2
2
2
2
1
2
1
1
1
1
0
0
0
0
0
4
4
7
Wind (km/h)
5
ESE
5
SSW
5
SW
5
W
5
WNW
5
NNW
5
N
5
NW
5
W
10
SSW
5
SSW
5
WSW
5
W
0
NE
10
ENE
5
E
5
ESE
5
SSE
Wind State
glassy
glassy
off
cross-off
cross-off
glassy
glassy
glassy
cross-off
cross-off
cross-off
glassy
glassy
glassy
cross-on
cross-on
cross
cross-off
High Tide
8:48PM0.19m
7:28AM0.27m
8:13AM0.28m
Low Tide
00:22AM0.18m
3:45PM0.12m
5:04PM0.11m
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
clear
thunderstorm
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:13
7:12
7:10
 mm
1
Temp °C
27
26
26
25
25
25
26
25
24
24
25
24
24
25
26
27
26
25
Feels °C
30
29
29
28
28
28
30
28
26
25
28
27
26
28
28
30
30
29
  • 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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