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Surf Forecasts:
Jumunjin surfForecast / South Korea / South Korea
48hr Weather and Surf, issued 2 am Saturday 18 Apr 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
13.1° C
(Which is 2.3°C warmer than normal for this time of year)How big are the waves at Jumunjin today?
The current surf forecast for Jumunjin at 9AM is: 0.4m 6s primary swell from a Northeast direction and 0.4m 5s secondary swell from a Southeast direction (forecast issued at 02:00am April 18). The wind direction is predicted to be glassy.
| Time (KST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 1.5ft (0.4m) | 6s |
| Afternoon (18 Apr) | 1.5ft (0.4m) | 5s |
| Evening (18 Apr) | 1.5ft (0.4m) | 4s |
Table - waves today at Jumunjin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 6 | 6 | 6 | 6 | 5 | 6 | 4 | 6 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 25 | 16 | 16 | 10 | 9 | 7 | 4 | 6 | 4 | 7 | 7 | 4 | 5 | 5 | 25 | 0 | 52 | 30 | 18 | 11 | 11 | 6 | 5 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | glass | cross | cross- on | glass | cross- off | cross- off | cross- off | cross | cross- on | glass | cross | cross | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 3:48AM 0.27 | 3:03PM 0.30 | 4:50AM 0.26 | 3:34PM 0.32 | 5:58AM 0.25 | 4:10PM 0.33 | ||||||||||||||||||
Low Tide / height (m) | 9:16PM 0.04 | 9:17AM 0.14 | 10:04PM 0.02 | 9:47AM 0.17 | 10:56PM 0.01 | 10:16AM 0.20 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| Sunrise | - | - | 5:46 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:02 | - | - | - | - | - | - | - | 7:04 | - |
 | |  | | | | |  |  | |  | | | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 14 | 14 | 19 | 22 | 21 | 19 | 19 | 18 | 18 | 15 | 16 | 17 | 18 | 18 | 17 | 18 | 18 | 17 | 20 | 22 | 20 | 17 | 13 |
| Feels °C (?) | 13 | 11 | 11 | 17 | 19 | 18 | 17 | 16 | 15 | 16 | 13 | 15 | 16 | 16 | 16 | 14 | 15 | 16 | 14 | 16 | 18 | 15 | 9 | 6 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Jumunjin surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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