38 Line Surf Break

Lat Long: 38.00° N 128.73° E

38 Line Surf Forecast and Surf Report

Issued: 2 am 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's 38 Line sea temperature is
27.3° C
2.8° 

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


38 Line surf forecast from 10 Aug 2026:

  • Best quality surf: Wednesday 12 Aug, 9PM (local time) - 10ft (3.0m), 9s period, ENE swell with cross-shore winds.
  • Most powerful swell: Wednesday 12 Aug, 9PM (local time) - 10ft (3.0m), 9s period, ENE swell with 1,473 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 11 Aug, 9AM (local time) - 3ft (0.9m), 7s period with ENE swell.

Best Forecast Surf Conditions for 38 Line this week:

The surf forecast for 38 Line over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 11) at 9AM. The primary swell is predicted to be 0.9m and 7s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at 38 Line in the next 16 days are 3.0m 9s and forecast to arrive on Wednesday (Aug 12) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Tuesday (Aug 18) at 9AM.

Wave TypeTime (KST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Tue 11th Aug)3ft (0.9m) 7s
Best Surf 9PM (Wed 12th Aug)10ft (3.0m) 9s
Most Powerful 9PM (Wed 12th Aug)10ft (3.0m) 9s

Table - best surf conditions forecast for 38 Line over the next 16 days.


The Lowdown

Right off the bat, the ocean’s doing its best impression of a flat lake, so don’t go rushing down to the water just yet. The first real pulse of energy shows up on the morning of Wednesday the 12th. Overnight, the swell jumps to 5ft out of the ENE, but the wind is a cross-shore mess from the north at 12 mph, so it’s going to be lumpy and jumbled. The energy is picking up though, but it’s still moderate, and it’s got some push to it, but it’s not gonna be pretty. By Wednesday afternoon, the wind howls up to 19 mph out of the NNE, the swell bumps to 7ft, and the energy jumps. This is getting serious, but it’s also getting ugly, with a fresh cross-shore and lumpy chop. This isn’t a paddling day, unless you’re towing a kite.

Thursday the 13th is still a bit of a mess. Morning sees 6ft of NNE swell with a cross-on breeze, and the energy is really cranking. That’s a lot of juice, but the rain and chop are making it marginal. It’s better than Wednesday, but still not a day to write home about. The afternoon eases off to 4ft but the wind goes cross, keeping things average.

Now, the standout of the whole run happens on the morning of Friday the 15th. The swell drops to a clean 4ft, but the wind swings to a light cross-off from the NNW at 6 mph, and the water turns glassy. The energy is modest, but the quality is there. This is your window. The break to be at is 38 Line. The swell is coming from the NE, and this exposed spot takes it right. It’s fairly consistent, and while the crowds are never a lock, the clean conditions might bring a few out. The water’s also running 81°, which is a few degrees warmer than normal for this time of year—a nice little surprise.

After Friday morning, the plug gets pulled. The surf fades fast, dropping to under 3ft and barely holding any energy. The rest of the 15th, all of the 16th, 17th, 18th, 19th, 20th, 21st, and the 22nd are pretty much flat-out poor. There are faint pulses here and there, but nothing worth suiting up for. The swell just dies, and the period drops right off. It’s a grim stretch, and you’ll be staring at a lot of ocean doing nothing.

There’s a tiny glimmer late on Friday the 21st – a 3ft pulse from the SE with a clean cross-off breeze. It’s surfable, sure, but it’s a shadow of what we had on the 15th. That’s about it. The rest of the run into the 26th is all sub-3ft slop and short-period junk. The only other sign of life is the afternoon of the 26th, with a 5ft NNE swell, but the wind is cross and it’s raining, so it looks like more of a mess than a gift. That’s more than a week away, so I wouldn’t put any money on it, but it’s something to keep an eye on.

So, bottom line: if you can get out Friday morning, do it. That’s the pick of the bunch. Everything else is a write-off until the energy comes back, which doesn’t look like it’s going to happen within this window. It’s a tough run, but that’s the way the ocean goes sometimes.

Rusty.

Short Range Forecast

Heavy rain (total 29mm), heaviest during Wed night. Warm (max 26°C on Thu morning, min 21°C on Wed morning). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 30mm), heaviest during Sun night. Warm (max 26°C on Fri morning, min 23°C on Sat night). Wind will be generally light.

Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
!
2
2
2
1
0
1
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)
0.9
ENE
7
0.9
ENE
7
1.2
ENE
7
1.6
ENE
8
2.2
NE
8
3
ENE
10
1.7
NNE
8
1.4
NNE
8
1.1
E
7
1.1
NE
7
0.9
ENE
7
0.8
NE
7
0.6
ENE
6
0.5
NE
7
0.4
NE
6
0.4
NE
6
0.2
ENE
7
0.6
E
4
0.7
ENE
5
0.6
ENE
5
0.8
ENE
5
Wave Graph
Metric surfscale
Energy kJ
82
89
124
287
603
1447
394
228
127
136
77
52
26
21
10
8
5
9
19
16
32
Wind (km/h)
5
NE
10
NE
15
N
20
N
30
NNE
25
NNE
15
NE
10
N
10
WNW
10
NNW
15
N
5
WSW
0
ENE
5
NE
5
NNW
10
NNW
10
N
5
W
5
N
10
NNW
5
WNW
Wind State
glassy
cross-on
cross
cross
cross
cross
cross-on
cross
cross-off
cross-off
cross
glassy
glassy
cross-on
cross-off
cross-off
cross
off
cross
cross-off
cross-off
High Tide
12:54PM0.35m
3:56AM0.24m
1:51PM0.36m
4:21AM0.23m
2:44PM0.35m
4:46AM0.23m
3:35PM0.33m
5:10AM0.24m
4:24PM0.30m
5:34AM0.24m
5:14PM0.27m
5:58AM0.25m
6:07PM0.24m
Low Tide
8:46PM-0.00m
7:45AM0.20m
9:30PM-0.00m
8:37AM0.17m
10:10PM0.01m
9:28AM0.15m
10:46PM0.03m
10:19AM0.13m
11:18PM0.06m
11:12AM0.12m
11:46PM0.09m
12:08PM0.12m
00:08AM0.13m
part cloud
clear
part cloud
light rain
rain showers
rain showers
rain showers
rain showers
clear
part cloud
part cloud
part cloud
part cloud
rain showers
heavy rain
rain showers
rain showers
rain showers
light rain
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:35
5:37
5:37
5:39
5:39
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:23
7:22
7:22
7:20
7:19
7:17
7:15
 mm
2
5
16
5
1
3
13
1
2
11
1
Temp °C
24
24
23
23
24
24
26
26
24
26
25
24
25
24
23
24
25
24
24
25
25
Feels °C
24
24
22
22
24
23
28
28
27
28
27
27
28
28
27
28
28
28
28
29
29
  • 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 38 Line Surf forecast

The above surf forecast table for 38 Line provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at 38 Line can be found by selecting the local surf guide option on the grey menu. Our 38 Line 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 (38 Line) 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 38 Line 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.

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

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