
Surf Forecasts:
38 Line surf forecast from 3 Aug 2026:
- Most powerful swell: Monday 10 Aug, 9PM (local time) - 10ft (3.0m), 9s period, NE swell with 1,503 kJ wave energy.
Best Forecast Surf Conditions for 38 Line this week:
The most powerful waves expected at 38 Line in the next 16 days are 3.0m 9s and forecast to arrive on Monday (Aug 10) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (KST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9PM (Mon 10th Aug) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for 38 Line over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the cards for 38 Line over the next couple of weeks.
Truth be told, it’s a pretty bleak start. We’ve got a long stretch of nothing much happening. The water temp is sitting at 81°F which is a very unusual 6°F warmer than normal for this time of year – feels like a warm bath out there.
The first few days are a write-off. Tuesday the 4th and Wednesday the 5th are flat with poor conditions, and that continues right through until the end of the first week. There’s a gap of several days with no real surf to speak of. You’re looking at tiny, weak waves under 2ft with short period energy, and the wind is mostly cross or onshore, killing any chance of a clean wave. The combined energy is in the low double digits or single digits (30 or less), so there’s just no power in the water.
The real story, and the only thing worth getting excited about, kicks off on Sunday the 9th of August. A big pulse of NE swell arrives, pushing up to 8ft in the morning and hitting 10ft by the afternoon. That’s a solid swell, and it’s backed by monster energy readings (640 in the morning, 1327 in the afternoon – that’s strong wave energy). The period is 8 seconds, which is short period windswell, so it’ll be a bit lumpy and less refined than a groundswell. But the size is there.
The problem? The wind is a fresh cross-onshore from the NE at 22 mph, and it’s described as “lumpy”. That’s going to make it a messy, bumpy affair. Because the swell is over 8ft, this is strictly for experienced surfers only. The break is exposed, and this setup looks more interesting for kite surfing than paddle surfing, given the strong onshore wind and size.
This big swell sticks around through Monday the 10th and Tuesday the 11th, but the wind stays strong and cross-onshore, with gusts up to 25 mph. The energy stays high (over 1100), but the conditions are “messy” and “lumpy”. It’s not going to be pretty.
The best chance for a decent surf arrives later in the window. By Saturday the 15th of August, the swell drops to 8ft, and the wind eases to a gentle cross-onshore at 9 mph. The combined energy is still high at 957. It’s still a big swell, so it’s still for experienced surfers, but the lighter wind might make it a bit more manageable.
The standout moment, however, is Sunday the 16th of August. The swell drops to 7ft, and the wind goes light and variable from the N at 3 mph, described as “light cross-shore with small crossing wind ripples”. The combined energy is 880 – still strong. The wind is light enough that it could be clean, and the swell is big but not monstrous. That’s your best bet. It’s the only window in the 16-day outlook where the wind looks like it might cooperate with the size.
After that, it all fades away again into tiny, weak surf for the rest of the period.
So, to wrap it up: don’t bother with the first week. The only real standout is Sunday the 16th of August, with a 7ft NE swell and light wind. Keep your eyes on that one, but remember it’s a long-range call, so don’t book the trip just yet. You’ll be waiting for a clean one.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Wed morning, min 23°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 42mm), heaviest during Sun night. Warm (max 27°C on Fri afternoon, min 22°C on Sat afternoon). Winds increasing (calm on Fri morning, fresh winds from the NE by Sun afternoon). | ||||||||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | |||||||||||||||
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) | NE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | E 5 | E 5 | ESE 6 | ESE 6 | ESE 6 | SE 6 | NNE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 |
Wave Graph | |||||||||||||||||||||
30 | 24 | 14 | 10 | 6 | 5 | 6 | 5 | 4 | 2 | 15 | 13 | 24 | 58 | 642 | 640 | 1280 | 1081 | 1169 | 1136 | 1379 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | glassy | glassy | on | glassy | glassy | on | cross-off | glassy | cross-on | off | cross-on | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:32PM0.24m | 7:09AM0.25m | 7:54PM0.21m | 7:47AM0.27m | 9:57PM0.20m | 8:35AM0.29m | 1:07AM0.21m | 9:36AM0.30m | 2:30AM0.23m | 10:44AM0.32m | 3:01AM0.24m | ||||||||||
Low Tide | 12:37PM0.13m | 00:42AM0.12m | 1:51PM0.12m | 1:11AM0.15m | 3:18PM0.10m | 1:42AM0.18m | 4:45PM0.08m | 2:19AM0.21m | 6:00PM0.05m | 4:10AM0.22m | 7:03PM0.03m | 5:41AM0.23m | 7:57PM0.01m | ||||||||
5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — | |
— | 7:31 | — | — | 7:30 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:25 | — | — | 7:24 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | 10 | 5 | 7 | 14 | 5 | 8 | 12 |
Temp °C | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 27 | 25 | 26 | 27 | 26 | 26 | 23 | 25 | 24 | 23 | 23 | 22 | 24 | 25 |
Feels °C | 30 | 30 | 32 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 31 | 31 | 28 | 22 | 24 | 22 | 20 | 20 | 18 | 20 | 22 |
Swell 1 Height (m) Direction Period (s) | NE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | E 5 | ESE 4 | ESE 6 | ESE 6 | ESE 6 | SE 6 | ESE 6 | — | SE 7 | SE 7 | SE 6 | SE 7 | SE 6 |
30 | 24 | 14 | 10 | 6 | 5 | 6 | 5 | 4 | 2 | 15 | 13 | 24 | 58 | 42 | — | 47 | 21 | 18 | 46 | 19 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | SE 4 | — | — | — | — | — | E 5 | ENE 5 | ENE 4 | — | ENE 5 | ESE 6 | — | — | — | — | — | — |
— | — | — | 1 | — | — | — | — | — | 2 | 2 | 2 | — | 8 | 39 | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | E 6 | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NE 3 | NNE 5 | NNE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 |
— | — | — | — | — | — | — | — | — | — | — | — | 5 | 37 | 642 | 640 | 1280 | 1081 | 1169 | 1136 | 1379 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 694 | 707 | 513 | 676 | 649 | 676 | 708 | 983 | 704 | 983 | 983 | 704 | 983 | 983 | 983 | 994 | 983 | 1019 | 634 | 983 | 626 |
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.











