Jumunjin Surf Break

Lat Long: 37.88° N 128.83° E

Jumunjin Surf Forecast and Surf Report

Issued: 2 pm 09 Jul 2026 (local time)

Forecast update in  hr  min

Today's Jumunjin sea temperature is
23.8° C
2.6° 

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


Jumunjin surf forecast from 9 Jul 2026:

  • Best quality surf: Wednesday 15 Jul, 9PM (local time) - 2.5ft (0.8m), 6s period, SE swell with offshore winds.
  • Most powerful swell: Thursday 16 Jul, 12AM (local time) - 4ft (1.2m), 7s period, SE swell with 127 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 15 Jul, 9PM (local time) - 2.5ft (0.8m), 6s 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 9PM. The primary swell is predicted to be 0.8m and 6s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Jumunjin in the next 16 days are 1.2m 7s and forecast to arrive on Thursday (Jul 16) at 12AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Wednesday (Jul 15) at 6PM.

Wave TypeTime (KST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 15th Jul)2.5ft (0.8m) 6s
Best Surf 9PM (Wed 15th Jul)2.5ft (0.8m) 6s
Most Powerful12AM (Thu 16th Jul)4ft (1.2m) 7s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Thu afternoon. Warm (max 31°C on Sun morning, min 24°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 6mm), mostly falling on Sun afternoon. Warm (max 32°C on Mon morning, min 25°C on Tue night). Wind will be generally light.

Thu
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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)
0.6
SSE
5
0.4
SE
6
0.4
SE
5
0.3
SE
5
0.5
SE
5
0.3
SE
5
0.3
SE
4
0.4
SE
4
0.3
SE
5
0.4
SE
4
0.4
SE
4
0.3
SE
5
0.2
SSE
4
0.3
SE
3
0.1
S
6
0.2
ESE
2
0.1
S
5
0.4
SE
3
1.2
SE
7
1.3
SSE
6
Wave Graph
Metric surfscale
Energy kJ
19
13
7
4
12
3
3
6
3
5
4
3
2
2
0
1
0
0
2
127
122
Wind (km/h)
10
SSW
10
SSW
5
SW
10
S
10
SW
5
SW
5
SE
10
WSW
5
SSW
10
SE
10
SW
5
S
10
ESE
5
SSW
5
ENE
5
ESE
5
NW
5
E
10
SSE
10
SW
10
S
Wind State
off
off
glassy
cross-off
off
off
cross
off
glassy
cross
off
glassy
cross
cross-off
glassy
cross
cross
glassy
cross-off
off
cross-off
High Tide
11:30PM0.20m
10:18AM0.29m
1:27AM0.22m
11:08AM0.31m
2:47AM0.23m
12:02PM0.34m
3:43AM0.24m
12:57PM0.36m
4:27AM0.24m
1:52PM0.37m
5:06AM0.24m
2:46PM0.37m
5:41AM0.23m
Low Tide
5:00PM0.10m
3:52AM0.18m
6:08PM0.07m
4:50AM0.20m
7:08PM0.03m
5:54AM0.22m
8:04PM0.00m
6:51AM0.22m
8:57PM-0.01m
7:44AM0.22m
9:47PM-0.02m
8:35AM0.21m
10:34PM-0.01m
9:27AM0.19m
light rain
rain showers
cloud
thunderstorm
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
clear
clear
clear
rain showers
thunderstorm
rain showers
part cloud
clear
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:11
5:11
5:11
5:13
5:13
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:49
7:49
7:47
7:47
7:46
7:46
7:46
7:45
 mm
1
1
1
1
1
2
2
1
Temp °C
26
26
28
27
26
30
30
28
31
29
28
32
31
29
29
28
26
29
31
29
28
Feels °C
29
27
31
31
29
33
32
32
35
32
32
36
34
33
34
33
31
33
34
33
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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