Jumunjin Surf Break

Lat Long: 37.88° N 128.83° E

Jumunjin Surf Forecast and Surf Report

Issued: 8 am 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Jumunjin sea temperature is
26.1°C
2.1° 

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


Jumunjin surf forecast from 23 Aug 2026:

  • Best quality surf: Saturday 29 Aug, 12PM (local time) - 2ft (0.6m), 7s period, NE swell with glassy winds.
  • Most powerful swell: Thursday 27 Aug, 9PM (local time) - 3.5ft (1.1m), 6s period, NE swell with 80 kJ wave energy.
  • Next surfable swell (1★+): Saturday 29 Aug, 12PM (local time) - 2ft (0.6m), 7s period with NE swell.

Best Forecast Surf Conditions for Jumunjin this week:

The surf forecast for Jumunjin over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 29) at 12PM. The primary swell is predicted to be 0.6m and 7s period with a secondary swell of 0.5m and 5s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Jumunjin in the next 16 days are 1.1m 6s and forecast to arrive on Thursday (Aug 27) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Monday (Aug 24) at 6AM.

Wave TypeTime (KST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Sat 29th Aug)2ft (0.6m) 7s
Best Surf12PM (Sat 29th Aug)2ft (0.6m) 7s
Most Powerful 9PM (Thu 27th Aug)3.5ft (1.1m) 6s

Table - best surf conditions forecast for Jumunjin over the next 16 days.


Short Range Forecast

Light rain (total 2mm), mostly falling on Mon night. Warm (max 31°C on Mon morning, min 24°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Wed night. Warm (max 28°C on Wed afternoon, min 22°C on Fri night). Wind will be generally light.

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
4
0.3
ESE
4
0.3
SE
3
0.2
ESE
4
0.1
SE
4
0.4
N
3
0.2
N
4
0.2
ESE
2
0.3
N
3
0.1
NE
10
0.2
NNE
8
0.3
NE
7
0.3
NE
6
1
NE
6
0.8
NE
6
0.6
ENE
5
0.4
NE
5
0.5
ESE
5
0.6
NE
7
0.8
NE
8
Wave Graph
Metric surfscale
Energy kJ
2
3
2
1
1
4
1
1
0
1
4
6
7
6
71
36
19
8
14
41
71
Wind (km/h)
5
SSW
10
SE
15
WSW
10
WSW
5
SE
5
SSW
5
SSE
5
E
10
SW
5
NE
10
SE
10
SW
10
N
10
NE
10
N
5
NE
10
E
10
SSW
5
SE
10
SE
5
SW
Wind State
glassy
cross
off
cross-off
cross
cross-off
glassy
cross-on
off
glassy
cross
off
cross-on
on
cross-on
glassy
cross-on
cross-off
glassy
cross
off
High Tide
10:24AM0.29m
3:21AM0.23m
3:15AM0.23m
12:22PM0.30m
3:23AM0.23m
1:09PM0.31m
3:36AM0.23m
1:53PM0.31m
3:51AM0.23m
2:35PM0.31m
4:08AM0.23m
3:17PM0.30m
Low Tide
6:57PM0.09m
5:30AM0.23m
7:38PM0.07m
6:29AM0.22m
8:14PM0.06m
7:12AM0.20m
8:47PM0.05m
7:52AM0.18m
9:17PM0.05m
8:31AM0.16m
9:46PM0.05m
9:11AM0.14m
10:14PM0.06m
part cloud
part cloud
clear
clear
clear
thunderstorm
clear
clear
thunderstorm
part cloud
part cloud
thunderstorm
cloud
thunderstorm
light rain
part cloud
cloud
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:46
5:47
5:48
5:48
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:05
7:04
7:01
7:00
6:59
 mm
1
1
1
1
3
Temp °C
30
30
29
31
31
26
29
27
27
26
28
26
26
25
24
25
24
23
24
26
25
Feels °C
34
33
32
34
34
29
33
31
31
30
31
30
29
28
27
26
25
26
27
29
28
  • 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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Information about the Jumunjin Surf forecast

The above surf forecast table for Jumunjin provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Jumunjin can be found by selecting the local surf guide option on the grey menu. Our Jumunjin surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Jumunjin) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Jumunjin may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Jumunjin is 18 km (11 miles) from the city of Kangnung. If you plan a holiday in South Korea, look for hotels and other accommodation in Kangnung. Kangnung has rooms for a wide range of budgets as well as car hire and transport links.

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