Surf Forecasts:
38 Line surf forecast from 15 Sep 2026:
- Best quality surf: Thursday 17 Sep, 9PM (local time) - 2.5ft (0.7m), 7s period, ESE swell with glassy winds.
- Most powerful swell: Saturday 19 Sep, 9PM (local time) - 4.5ft (1.3m), 7s period, ENE swell with 154 kJ wave energy.
- Next surfable swell (1★+): Thursday 17 Sep, 9PM (local time) - 2.5ft (0.7m), 7s period with ESE 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 Thursday (Sep 17) at 9PM. The primary swell is predicted to be 0.7m 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 1.3m 7s and forecast to arrive on Saturday (Sep 19) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Monday (Sep 21) at 6PM.
| Wave Type | Time (KST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Thu 17th Sep) | 2.5ft (0.7m) 7s |
| Best Surf | 9PM (Thu 17th Sep) | 2.5ft (0.7m) 7s |
| Most Powerful | 9PM (Sat 19th Sep) | 4.5ft (1.3m) 7s |
Table - best surf conditions forecast for 38 Line over the next 16 days.
The Lowdown
Alright, let’s get into it. To be straight with you, this 16-day stretch is a tough one. We’re looking at a whole lot of small, weak, and mostly messy conditions. There’s not a single day where I’d say “drop everything and go,” but there are a couple of windows where the ocean might just give us a little something if you’re keen and not too picky.
The first real chance to even paddle out comes on Sunday the 20th. The swell is still small, around 4 feet from the ENE, with a period of 7 seconds – so it’s pretty soft and crumbly. The wind is light, cross-offshore from the NW in the morning, which will keep things clean and make it feel a bit more inviting. It’s not going to be amazing, but it’s surfable. The energy is weak though, sitting at 143. After that, it drops back down to nothing much for the rest of that week and into the next.
The other tiny window, and maybe the cleanest of the whole run, is Friday the 25th. We’ve got a glassy morning with no wind at all, and the swell is tiny – just 1 feet from the NNE with a period of 4 seconds. That’s barely a ripple, but for a complete beginner on a foam board, it could be playful. The energy is basically nothing, at 8 though. Then the following days, it just goes flat and weak again.
For the actual standout – and I’m using that term very loosely here – it’s got to be the early part of Sunday the 20th. That’s the biggest swell we see, with the cleanest conditions. The break is 38 Line, an exposed spot, and it’s fairly consistent. But don’t expect any power. This is strictly small-wave, longboard or foamie territory. There will be no thrills, just the joy of being out there.
As for the water temp, it’s sitting at 75° - that’s a touch warmer than normal for this time of year. Feels good on the skin, but it doesn’t make the surf any better.
So, honestly, this is a lean period. If you’re desperate, Sunday morning is your best bet. Otherwise, save your energy and wait for the next proper swell to roll in. It’s gonna be a quiet couple of weeks out there.
Rusty
Short Range ForecastMostly dry. Warm (max 23°C on Tue afternoon, min 18°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Fri afternoon, min 16°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||
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) | E 5 | E 5 | E 5 | E 5 | ESE 4 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 25 | 17 | 7 | 4 | 6 | 6 | 22 | 44 | 55 | 54 | 88 | 113 | 143 | 139 | 143 | 96 | 66 | 64 | 62 | 82 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | off | glassy | on | off | glassy | on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-on | off | cross-off | cross | cross-off |
High Tide | 6:07PM0.23m | 5:14AM0.28m | 7:12PM0.21m | 5:42AM0.29m | 9:06PM0.20m | 6:15AM0.28m | 7:01AM0.28m | 8:11AM0.27m | 9:40AM0.27m | 2:21AM0.23m | ||||||||||
Low Tide | 11:07PM0.16m | 12:34PM0.09m | 11:13PM0.19m | 1:32PM0.10m | 10:45PM0.20m | 2:46PM0.11m | 4:10PM0.11m | 5:23PM0.10m | 6:17PM0.09m | |||||||||||
 |  | | | | |  |  | | |  | | | | | | | | | | |
 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — |
 | 6:34 | — | — | 6:32 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:25 | — | — | 6:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 20 | 20 | 21 | 20 | 21 | 21 | 20 | 21 | 22 | 21 | 21 | 22 | 20 | 20 | 20 | 18 | 20 | 20 | 19 |
Feels °C | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 21 | 22 | 22 | 21 | 22 | 21 | 20 | 20 | 19 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | NNE 6 | E 5 | E 5 | E 5 | ESE 4 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 12 | 17 | 7 | 4 | 6 | 6 | 22 | 44 | 55 | 54 | 88 | 113 | 143 | 139 | 143 | 96 | 66 | 64 | 62 | 82 |
Swell 2 Height (m) Direction Period (s) | — | NNE 5 | — | E 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 649 | 649 | 668 | 668 | 668 | 668 | 694 | 0 | 513 | 649 | 649 | 649 | 694 | 0 | 0 | 676 | 0 | 0 | 569 | 0 |
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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