Jumunjin Surf Break

Lat Long: 37.88° N 128.83° E

Jumunjin Surf Forecast and Surf Report

Issued: 2 am 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's Jumunjin sea temperature is
23.3° C
1.7° 

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


Jumunjin surf forecast from 12 Jul 2026:

  • Best quality surf: Sunday 19 Jul, 3PM (local time) - 7.5ft (2.3m), 8s period, NNE swell with cross-offshore winds.
  • Most powerful swell: Sunday 19 Jul, 12PM (local time) - 8ft (2.5m), 8s period, NNE swell with 779 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 15 Jul, 6AM (local time) - 4.5ft (1.3m), 7s period with SE 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 Wednesday (Jul 15) at 6AM. The primary swell is predicted to be 1.3m and 7s period with a secondary swell of 0.8m and 7s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Jumunjin in the next 16 days are 2.5m 8s and forecast to arrive on Sunday (Jul 19) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Tuesday (Jul 14) at 6PM.

Wave TypeTime (KST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Wed 15th Jul)4.5ft (1.3m) 7s
Best Surf 3PM (Sun 19th Jul)7.5ft (2.3m) 8s
Most Powerful12PM (Sun 19th Jul)8ft (2.5m) 8s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue night. Warm (max 33°C on Mon morning, min 24°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 19mm), heaviest on Sat night. Warm (max 29°C on Thu morning, min 21°C on Sat night). Wind will be generally light.

Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
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
1
0
0
0
0
0
0
0
0
0
0
1
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SE
5
0.3
SE
2
0.4
SE
5
0.4
SE
6
0.6
SE
4
0.9
SE
6
1.2
SE
7
0.8
SE
8
0.4
SE
6
0.3
SE
6
0.3
SE
5
0.4
SE
4
0.2
ESE
3
0.3
NNW
3
0.3
SE
4
0.4
ENE
4
2.5
NNE
7
2.3
NNE
8
1.5
NNE
7
Wave Graph
Metric surfscale
Energy kJ
4
1
7
8
0
68
152
77
10
5
5
4
1
1
2
0
0
6
651
597
242
Wind (km/h)
5
WSW
10
SSE
15
WSW
5
SSW
15
S
15
S
20
WSW
15
W
10
SW
5
SW
10
ESE
10
SSW
10
N
10
N
5
WNW
5
NNE
5
ESE
5
SE
20
SE
15
SSE
10
NW
Wind State
cross-off
cross-off
off
glassy
cross-off
cross-off
cross-off
cross-off
off
glassy
cross
cross-off
cross-on
cross-on
glassy
cross-on
glassy
cross
cross
cross-off
cross-off
High Tide
12:57PM0.36m
4:27AM0.24m
1:52PM0.37m
5:06AM0.24m
2:46PM0.37m
5:41AM0.23m
3:38PM0.36m
6:13AM0.23m
4:29PM0.33m
6:44AM0.23m
5:21PM0.30m
7:14AM0.23m
6:15PM0.26m
Low Tide
8:57PM-0.01m
7:44AM0.22m
9:47PM-0.02m
8:35AM0.21m
10:34PM-0.01m
9:27AM0.19m
11:19PM0.00m
10:22AM0.18m
00:00AM0.03m
11:22AM0.17m
00:37AM0.06m
12:29PM0.16m
1:10AM0.09m
clear
clear
clear
part cloud
part cloud
rain showers
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
rain showers
light rain
heavy rain
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:13
5:13
5:13
5:15
5:15
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:46
7:46
7:46
7:45
7:45
7:45
7:44
 mm
5
2
1
16
Temp °C
33
32
30
31
32
30
28
30
26
29
29
26
25
25
24
24
24
23
26
28
27
Feels °C
37
35
33
34
35
33
30
33
28
31
31
28
28
28
29
27
28
25
28
31
31
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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