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Surf Forecasts:
Jumunjin surfForecast / South Korea / South Korea
48hr Weather and Surf, issued 2 pm Monday 18 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
16.3° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Jumunjin today?
The current surf forecast for Jumunjin at 8PM is: 0.4m 6s primary swell from a Northeast direction and 0.3m 3s secondary swell from a Southeast direction (forecast issued at 02:00pm May 18). The wind direction is predicted to be offshore.
| Time (KST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 1.5ft (0.4m) | 6s |
| Evening (18 May) | 1.5ft (0.4m) | 6s |
Table - waves today at Jumunjin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 72mm), heaviest during Wed night. Warm (max 27°C on Mon afternoon, min 14°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNE 7 | NE 6 | NE 6 | NE 6 | NE 6 | SE 5 | SE 5 | SE 5 | NE 5 | SSE 5 | NNW 3 | N 3 | NNW 3 | N 3 | N 3 | NNE 3 | NE 4 | NE 4 | NE 4 | ENE 4 | NE 4 | ENE 4 | ENE 5 | E 6 | |
4 | 10 | 10 | 9 | 9 | 9 | 7 | 4 | 7 | 2 | 1 | 2 | 1 | 1 | 1 | 2 | 4 | 2 | 2 | 1 | 3 | 16 | 56 | 122 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-off | cross-off | cross-off | off | off | cross-on | cross-on | cross-on | cross | cross-off | cross | cross | cross | glassy | cross-off | glassy | cross-on | on | cross-on | cross-on | cross-on | on | |
High Tide | 6:21AM0.25m | 3:49PM0.36m | 7:32AM0.24m | 4:38PM0.35m | 8:50AM0.23m | |||||||||||||||||||
Low Tide | 10:53PM-0.01m | 9:45AM0.22m | 11:49PM-0.01m | 10:21AM0.22m | 00:47AM0.01m | |||||||||||||||||||
 | | |  | | |  | | | | |  | | | | |  | |  |  |  | | |  | |
 | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — |
 | — | — | 7:29 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | 7:31 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 6 | 10 | 14 | 11 | 7 | 13 | |
Temp °C | 25 | 26 | 27 | 24 | 23 | 22 | 22 | 23 | 21 | 21 | 21 | 20 | 18 | 18 | 17 | 16 | 16 | 15 | 14 | 15 | 16 | 16 | 16 | 16 |
24 | 25 | 26 | 22 | 20 | 19 | 19 | 21 | 19 | 19 | 19 | 19 | 16 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NE 6 | NE 6 | NE 6 | NE 6 | SE 5 | SE 5 | SE 5 | SE 5 | NNE 3 | — | SE 4 | NE 5 | NE 5 | NE 4 | NNE 3 | NE 4 | NE 4 | NE 4 | ENE 4 | N 9 | NE 8 | SE 6 | ESE 7 |
 kJ | 4 | 10 | 10 | 9 | 9 | 9 | 7 | 4 | 4 | 2 | — | 1 | 1 | 1 | 1 | 2 | 4 | 2 | 2 | 1 | 2 | 3 | 26 | 57 |
Swell 2 Height (m) Direction Period (s) | SE 4 | — | ESE 3 | SE 3 | SE 5 | NE 6 | NE 6 | NNE 5 | — | SSE 5 | SE 4 | NE 5 | SE 4 | SE 4 | SE 4 | SE 4 | SE 4 | SE 4 | — | — | — | — | — | — |
| kJ | 1 | — | 1 | 2 | 3 | 5 | 5 | 3 | — | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 5 | — | NNW 3 | — | SE 6 | — | NE 5 | NE 5 | — | — | — | — | — | SE 4 | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | — | 1 | — | 2 | — | 1 | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 4 | SE 3 | — | — | — | — | — | NE 5 | — | NNW 3 | N 3 | NNW 3 | N 3 | N 3 | NNW 3 | — | S 4 | — | — | NE 4 | ENE 4 | ENE 5 | E 6 |
| kJ | — | 3 | 1 | — | — | — | — | — | 7 | — | 1 | 2 | 1 | 1 | 1 | 1 | — | 1 | — | — | 3 | 16 | 56 | 122 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1071 | 691 | 653 | 653 | 653 | 653 | 653 | 653 | 691 | 691 | 691 | 653 | 653 | 653 | 653 | 653 | 560 | 653 | 498 | 498 | 498 | 304 | 304 | 304 |
Best forecast wave conditions in South Korea | ||||||||||||||||||||||||
Best forecast wave conditions in South Korea | ||||||||||||||||||||||||
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