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Surf Forecasts:
Jumunjin surfForecast / South Korea / South Korea
48hr Weather and Surf, issued 2 am Thursday 21 May 2026 KSTForecast update in hr min s Forecast update imminent
Jumunjin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jumunjin sea temperature is
16.4° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Jumunjin today?
The current surf forecast for Jumunjin at 5AM is: 1.2m 5s primary swell from a East-northeast direction and 0.1m 8s secondary swell from a Northeast direction, 0.1m 8s secondary swell from a Northeast direction (forecast issued at 02:00am May 21). The wind direction is predicted to be cross-onshore.
| Time (KST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 3.5ft (1.0m) | 6s |
| Afternoon (21 May) | 6ft (1.9m) | 7s |
| Evening (21 May) | 7ft (2.2m) | 7s |
Table - waves today at Jumunjin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 26mm), heaviest during Thu morning. Very mild (max 17°C on Thu morning, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 5 | ENE 5 | ENE 6 | NE 6 | ENE 6 | ENE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
40 | 64 | 91 | 69 | 181 | 304 | 501 | 489 | 518 | 397 | 336 | 234 | 214 | 167 | 128 | 124 | 124 | 105 | 105 | 105 | 155 | 155 | 127 | 94 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | glassy | |
High Tide | 8:50AM0.23m | 5:32PM0.33m | 9:58AM0.23m | 6:33PM0.30m | 10:41AM0.23m | 7:46PM0.27m | ||||||||||||||||||
Low Tide | 00:47AM0.01m | 11:08AM0.22m | 1:48AM0.03m | 12:21PM0.22m | 2:49AM0.05m | 2:19PM0.21m | ||||||||||||||||||
 |  |  |  | | | |  | |  |  |  | | | |  | | | | |  | | | | |
 | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:32 | — | — | — | — | — | — | — | 7:32 | — |
13 | 6 | 12 | 5 | 4 | 5 | 5 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 16 | 16 | 16 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 16 | 17 | 16 | 14 | 13 | 13 | 13 | 15 | 16 | 15 | 14 | 14 |
15 | 15 | 15 | 17 | 16 | 13 | 12 | 11 | 12 | 13 | 12 | 13 | 14 | 16 | 15 | 14 | 12 | 12 | 12 | 14 | 15 | 14 | 13 | 14 | |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 8 | NE 8 | NE 6 | ENE 6 | — | NE 7 | E 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
 kJ | 3 | 3 | 2 | 69 | 181 | — | 365 | 181 | 518 | 397 | 336 | 234 | 214 | 167 | 128 | 124 | 124 | 105 | 105 | 105 | 155 | 155 | 127 | 94 |
Swell 2 Height (m) Direction Period (s) | — | NE 9 | NE 8 | — | ESE 6 | — | — | — | — | — | S 6 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | 3 | — | 37 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 5 | ENE 5 | ENE 6 | ESE 6 | — | ENE 7 | NE 7 | NE 7 | — | — | N 6 | N 5 | — | N 5 | — | — | — | — | — | — | — | — | — | NNW 3 |
| kJ | 40 | 64 | 91 | 52 | — | 304 | 501 | 489 | — | — | 52 | 19 | — | 2 | — | — | — | — | — | — | — | — | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 679 | 653 | 633 | 653 | 690 | 653 | 653 | 641 | 89 | 10 | 10 | 633 | 653 | 688 | 633 | 0 | 0 | 0 | 0 | 10 | 10 | 735 | 10 | 0 |
Best forecast wave conditions in South Korea | ||||||||||||||||||||||||
Best forecast wave conditions in South Korea | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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