Jumunjin Surf Break

Lat Long: 37.88° N 128.83° E

Jumunjin 48 hour detailed Surf Forecast

Issued: 2 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Jumunjin sea temperature is
23.3°C
1.5° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 3.5ft (1.1m), 7s period with ESE swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.1m), 7s period with E swell.
  • Evening surf: Evening surf (18 Sep, local time) - 3.5ft (1.1m), 7s period with E swell.

The current surf forecast for Jumunjin at 6AM is: 1.0m 7s primary swell from a East direction (forecast issued at 02:00am September 18). The wind direction is predicted to be onshore.

Time (KST) & DateWave HeightWave Period
Morning (18 Sep)3.5ft (1.1m)7s
Afternoon (18 Sep)3.5ft (1.1m)7s
Evening (18 Sep)3.5ft (1.1m)7s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Fri morning. Warm (max 22°C on Fri morning, min 17°C on Sat night). Wind will be generally light.

Friday
18
Saturday
19
Sunday
20
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
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
1
1
1
1
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
ESE
7
0.9
ESE
7
1
E
7
1.1
ESE
7
1.1
E
7
1.1
E
7
1.1
E
7
1.1
E
7
1.1
E
7
1.1
E
7
1.1
ENE
7
1.2
ENE
7
1.1
ENE
7
1.1
ENE
7
1
ENE
7
1
ENE
7
1
ENE
7
1
ENE
7
1
ENE
7
0.9
ENE
7
0.9
ENE
7
0.8
ENE
7
0.8
ENE
7
0.7
ENE
7
Wave Graph
Metric surfscale
Energy kJ
62
73
89
118
113
117
111
110
110
111
118
124
102
111
91
91
93
99
108
90
81
61
59
40
Wind (km/h)
10
E
15
ENE
15
ENE
15
ENE
15
NE
15
NE
10
NE
10
NNE
10
NNE
10
N
15
N
15
NNE
15
NNE
15
NNE
10
N
10
NW
10
WNW
10
WNW
10
WNW
5
NW
10
NE
5
NE
0
E
5
SW
Wind State
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
glassy
on
on
glassy
glassy
High Tide
9:11PM0.20m
6:15AM0.28m
7:00AM0.28m
8:10AM0.27m
Low Tide
10:41PM0.20m
2:50PM0.11m
4:10PM0.11m
5:22PM0.10m
cloud
part cloud
cloud
part cloud
light rain
part cloud
clear
rain showers
rain showers
rain showers
cloud
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:27
6:25
 mm
1
1
1
1
1
Temp °C
21
21
21
21
22
22
21
21
20
20
20
21
22
22
21
19
19
18
17
19
21
21
20
19
Feels °C
21
21
21
21
21
21
21
21
20
20
19
20
21
21
21
20
20
18
17
20
22
21
22
20
  • 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 

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