Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Jungmun Beach (Jeju Island) surfForecast / South Korea / South Korea
48hr Weather and Surf, issued 2 am Friday 19 Dec 2025 KSTForecast update in hr min s Forecast update imminent
Jungmun Beach (Jeju Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jungmun Beach (Jeju Island) sea temperature is
19.4° C
(Which is 3.1°C warmer than normal for this time of year)How big are the waves at Jungmun Beach (Jeju Island) today?
The current surf forecast for Jungmun Beach (Jeju Island) at 5AM is: 0.5m 4s primary swell from a South direction (forecast issued at 02:00am December 19). An open ocean swell of 0.3m 5s is not directed at the surf break, a second open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (KST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Dec) | 2ft (0.6m) | 4s |
| Afternoon (19 Dec) | 2ft (0.6m) | 4s |
| Evening (19 Dec) | 1.5ft (0.5m) | 4s |
Table - waves today at Jungmun Beach (Jeju Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 19 | Saturday 20 | Sunday 21 | ||||||||||||||||||||||
| 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) (?) | 8 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2 | 2 | 6 | 11 | 14 | 14 | 14 | 9 | 9 | 10 | 12 | 13 | 14 | 14 | 31 | 23 | 16 | 12 | 7 | 9 | 23 | 4 | 4 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | on | on | on | on | on | on | glass | glass | on | cross | cross- off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 9:48PM 1.77 | 11:04AM 2.40 | 10:22PM 1.81 | 11:36AM 2.44 | 10:56PM 1.84 | 12:09PM 2.46 | ||||||||||||||||||
Low Tide / height (m) | 4:18AM 0.33 | 5:21PM 0.89 | 4:55AM 0.27 | 5:57PM 0.87 | 5:31AM 0.24 | 6:32PM 0.86 | ||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:31 | - | - | - | - | - | - | - | 7:31 | - | - | - | - | - | - | - | 7:33 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:29 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - |
 | |  |  |  | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 14 | 15 | 16 | 17 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 20 | 18 | 14 | 11 | 8 | 7 | 6 | 7 | 7 | 5 | 4 |
| Feels °C (?) | 7 | 10 | 11 | 11 | 12 | 14 | 14 | 15 | 16 | 17 | 19 | 19 | 19 | 19 | 16 | 10 | 5 | -1 | -2 | -3 | -1 | 0 | -2 | -3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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