Surf Forecasts:
38 Line surf forecast from 6 Sep 2026:
- Best quality surf: Thursday 10 Sep, 6AM (local time) - 3.5ft (1.1m), 7s period, NE swell with glassy winds.
- Most powerful swell: Wednesday 9 Sep, 12PM (local time) - 8ft (2.5m), 9s period, NE swell with 1,107 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 9PM (local time) - 4.5ft (1.3m), 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 Monday (Sep 07) at 9PM. The primary swell is predicted to be 1.3m and 7s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at 38 Line in the next 16 days are 2.5m 9s and forecast to arrive on Wednesday (Sep 09) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Monday (Sep 14) at 9AM.
| Wave Type | Time (KST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 7th Sep) | 4.5ft (1.3m) 7s |
| Best Surf | 6AM (Thu 10th Sep) | 3.5ft (1.1m) 7s |
| Most Powerful | 12PM (Wed 9th Sep) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for 38 Line over the next 16 days.
The Lowdown
Alright, it’s Rusty here. Let me walk you through the next couple of weeks for 38 Line.
It’s looking pretty flat to start. The first real chance to paddle out doesn’t come until the morning of Tuesday, September 8th, and even then, it’s nothing special. The whole first week is a bit of a grind, so if you’re keen, you’ll need to hold tight.
Monday the 7th is a write-off – there’s a head-high swell at 5 ft from the ENE but the wind is messy and cross, not worth the effort. The next few days see tiny surf with weak energy in the single or low double digits. Rough stuff.
Wednesday the 9th of September brings some size – 8 ft from the NE with a 9-second period and energy cranking up into the thousands (1050-1070), but the wind is cross-onshore and choppy. It’s blown out. At that size, it’s too much for beginners, but even for experts, the messy wind kills the quality. That day is more for the kite crowd.
Thursday the 10th is a drop-off.
Now, the real standout lands on Thursday, September 17th in the morning. We’ve got a clean 5 ft swell from the east, 8-second period, moderate energy around 248, and glassy conditions with a light offshore WNW breeze. This is the one. The wind is off, the waves are rideable for intermediates and up, and the setup is clean. Crowds? Never an issue here, which is a bonus.
The few days before that, the 16th, have some size again (5 ft to 6 ft) from the ENE, but wind and rain ruin it.
After the 17th, the surf drops off fast into ankle-biters for the rest of the 16-day run. A few clean, tiny days on the 18th and 19th, but barely knee-high.
So the bottom line: the first week is mostly a bust, maybe a small window on the 8th morning if you’re desperate. The one true standout is Thursday morning, September 17th. Mark it, get there early, and enjoy the clean glass.
Rusty.
Short Range ForecastLight rain (total 8mm), mostly falling on Tue night. Warm (max 23°C on Mon morning, min 18°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Sat afternoon, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NE 9 | NE 9 | NE 7 | ENE 7 | ENE 7 | NE 6 | ESE 6 | ESE 5 | E 5 | E 5 | E 5 | E 4 | ESE 4 | ESE 6 | ESE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 226 | 240 | 172 | 115 | 93 | 492 | 996 | 895 | 285 | 196 | 93 | 23 | 10 | 10 | 5 | 4 | 2 | 2 | 4 | 12 | 9 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | off | glassy | cross | cross-on | cross-on | cross-on | cross | on | cross-on | off | glassy | on | cross-off | glassy | cross-on | cross-off | glassy | cross-on | glassy |
High Tide | 10:36AM0.31m | 2:31AM0.24m | 11:51AM0.32m | 2:48AM0.24m | 12:55PM0.33m | 3:07AM0.24m | 1:52PM0.32m | 3:26AM0.24m | 2:44PM0.31m | 3:46AM0.25m | 3:34PM0.29m | 4:06AM0.26m | 4:23PM0.27m | ||||||||
Low Tide | 6:52PM0.03m | 5:56AM0.21m | 7:41PM0.03m | 6:57AM0.19m | 8:24PM0.03m | 7:50AM0.16m | 9:01PM0.04m | 8:38AM0.13m | 9:35PM0.05m | 9:25AM0.11m | 10:04PM0.08m | 10:10AM0.09m | 10:30PM0.11m | ||||||||
 |  |  | | |  |  | |  | | | |  | | | | | | | | | |
 | 5:58 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — |
 | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:42 | — | — | 6:39 | — | — | 6:38 | — | — | 6:37 | — |
mm | — | — | — | — | — | 7 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 23 | 19 | 21 | 22 | 20 | 20 | 20 | 19 | 21 | 22 | 19 | 20 | 21 | 20 | 22 | 23 | 21 | 26 | 27 | 23 |
Feels °C | 22 | 22 | 19 | 21 | 22 | 19 | 17 | 17 | 17 | 19 | 20 | 18 | 20 | 20 | 20 | 22 | 23 | 21 | 24 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NE 9 | NE 9 | NE 7 | ENE 7 | ENE 7 | NE 6 | NE 5 | ESE 5 | E 5 | E 5 | E 5 | E 4 | ESE 4 | ESE 6 | ESE 5 |
| kJ | 226 | 240 | 172 | 115 | 93 | 492 | 996 | 895 | 285 | 196 | 93 | 23 | 10 | 10 | 5 | 4 | 2 | 2 | 4 | 12 | 9 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | E 8 | — | E 6 | ESE 6 | NE 5 | SSE 3 | NE 6 | NE 5 | — | SE 6 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 20 | — | 17 | 10 | 4 | 1 | 1 | 1 | — | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 6 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 2 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 569 | 569 | 0 | 0 | 569 | 569 | 569 | 668 | 668 | 668 | 649 | 0 | 513 | 649 | 513 | 569 | 706 | 569 | 649 | 707 | 569 |
Best forecast wave conditions in South Korea | |||||||||||||||||||||
Best forecast wave conditions in South Korea | |||||||||||||||||||||
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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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