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Surf Forecasts:
Jumunjin surfForecast / South Korea / South Korea
48hr Weather and Surf, issued 2 am Tuesday 12 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
13.9° C
(Which is normal for this time of year)How big are the waves at Jumunjin today?
The current surf forecast for Jumunjin at 7AM is: 0.4m 5s primary swell from a Southeast direction and 0.1m 6s secondary swell from a Northeast direction (forecast issued at 02:00am May 12). The wind direction is predicted to be offshore.
| Time (KST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 1ft (0.3m) | 5s |
| Afternoon (12 May) | 1ft (0.3m) | 5s |
| Evening (12 May) | 1ft (0.3m) | 4s |
Table - waves today at Jumunjin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Tue afternoon. Warm (max 21°C on Wed morning, min 14°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 4 | SE 4 | SE 4 | ESE 4 | SSE 5 | SSE 5 | SE 4 | SE 2 | SE 3 | — | — | SE 3 | ESE 3 | ESE 3 | — | NNW 2 | N 9 | NE 8 | |
10 | 10 | 7 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 2 | 1 | 1 | 0 | 1 | 2 | 17 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | glassy | cross-on | cross-on | glassy | cross-off | off | off | cross-off | glassy | cross-on | cross | cross | cross-off | glassy | glassy | cross | cross-on | cross-on | cross-on | cross-on | glassy | |
High Tide | 9:45PM0.24m | 12:09PM0.23m | 11:16PM0.24m | 12:27PM0.25m | 00:38AM0.24m | 12:49PM0.27m | ||||||||||||||||||
Low Tide | 5:15AM0.09m | 5:48PM0.16m | 6:01AM0.10m | 6:41PM0.12m | 6:43AM0.12m | 7:30PM0.08m | ||||||||||||||||||
 |  |  | | |  |  |  | | | |  | | | | | | | | | | | | | |
 | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:23 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:25 | — |
— | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 17 | 20 | 20 | 20 | 19 | 18 | 17 | 17 | 17 | 20 | 21 | 21 | 21 | 19 | 17 | 17 | 15 | 17 | 17 | 17 | 15 | 14 |
17 | 17 | 16 | 20 | 19 | 19 | 19 | 17 | 16 | 16 | 16 | 20 | 20 | 19 | 21 | 18 | 17 | 17 | 14 | 16 | 16 | 16 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | NE 6 | E 6 | — | ESE 3 | ESE 4 | SSE 5 | SSE 5 | SE 4 | — | — | — | — | SE 3 | ESE 3 | ESE 3 | — | — | N 4 | NE 8 |
 kJ | 10 | 10 | 7 | 4 | 4 | 1 | 1 | — | 1 | 1 | 2 | 2 | 1 | — | — | — | — | 2 | 1 | 1 | — | — | 1 | 17 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 6 | NE 6 | NE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 4 |
| kJ | 2 | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 9 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SE 5 | SE 4 | SE 4 | SE 4 | — | — | — | — | SE 2 | SE 3 | — | — | SE 3 | — | — | — | NNW 2 | — | — |
| kJ | — | — | — | — | — | 3 | 3 | 2 | 2 | — | — | — | — | 1 | 1 | — | — | 3 | — | — | — | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 653 | 653 | 633 | 653 | 753 | 691 | 653 | 560 | 653 | 633 | 633 | 633 | 753 | 691 | 653 | 633 | 633 | 633 | 633 | 633 | 753 | 653 | 633 | 633 |
Best forecast wave conditions in South Korea | ||||||||||||||||||||||||
Best forecast wave conditions in South Korea | ||||||||||||||||||||||||
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