Surf Forecasts:
How big are the waves at Jumunjin today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 2.5ft (0.7m), 5s period with SE swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 1.5ft (0.5m), 6s period with E swell.
- Evening surf: Evening surf (17 Aug, local time) - 3.5ft (1.1m), 7s period with SE swell.
The current surf forecast for Jumunjin at 4PM is: 0.5m 6s primary swell from a East direction and 0.5m 5s secondary swell from a Southeast direction (forecast issued at 08:00am August 17). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (KST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 2.5ft (0.7m) | 5s |
| Afternoon (17 Aug) | 1.5ft (0.5m) | 6s |
| Evening (17 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Jumunjin. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Mon night. Warm (max 31°C on Wed morning, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 5 | SE 5 | ESE 5 | E 6 | SE 6 | SE 7 | SE 7 | SE 7 | SSE 6 | SSE 6 | SE 6 | ESE 6 | ESE 5 | ESE 5 | ESE 5 | SSE 7 | SSE 6 | SE 6 | SSE 5 | SE 5 | ESE 5 | ESE 5 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 26 | 23 | 20 | 16 | 25 | 105 | 134 | 77 | 26 | 14 | 9 | 20 | 11 | 10 | 5 | 19 | 14 | 8 | 3 | 6 | 4 | 2 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | cross-on | cross | cross-off | cross-off | glassy | glassy | glassy | cross | cross-off | cross-off | off | off | off | off | off | glassy | glassy | cross-off | off |
High Tide | 5:59AM0.25m | 6:08PM0.24m | 6:25AM0.26m | 7:11PM0.21m | 6:53AM0.27m | 8:48PM0.19m | ||||||||||||||||
Low Tide | 12:09PM0.12m | 00:08AM0.13m | 1:11PM0.12m | 00:23AM0.16m | 2:23PM0.12m | |||||||||||||||||
 |  |  | | |  | | |  | | | | |  | | | | | | | |  | |
 | 5:39 | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:13 | — |
mm | 1 | — | 1 | 2 | 1 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 25 | 25 | 25 | 25 | 23 | 23 | 24 | 23 | 25 | 28 | 29 | 29 | 27 | 25 | 25 | 24 | 28 | 31 | 31 | 29 | 27 |
Feels °C | 27 | 30 | 29 | 29 | 29 | 26 | 27 | 29 | 27 | 29 | 31 | 32 | 32 | 29 | 26 | 26 | 24 | 29 | 33 | 34 | 33 | 29 |
Swell 1 Height (m) Direction Period (s) | NE 5 | SE 5 | ESE 5 | E 6 | SE 6 | SE 7 | SE 7 | SE 7 | SSE 6 | SSE 6 | SE 6 | N 4 | SSE 6 | ESE 5 | ESE 5 | SSE 7 | SSE 6 | SE 6 | SSE 5 | — | SSE 5 | ESE 5 |
| kJ | 1 | 23 | 20 | 16 | 25 | 105 | 134 | 77 | 26 | 14 | 8 | 1 | 3 | 10 | 5 | 19 | 14 | 8 | 3 | — | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | NE 5 | — | — | SE 5 | ESE 6 | NE 5 | — | E 5 | ESE 5 | ESE 5 | N 4 | N 4 | N 4 | SSE 6 | SSE 5 | ESE 5 | E 4 | E 5 | ESE 5 | E 5 | E 5 | SSE 5 |
| kJ | 1 | — | — | 13 | 10 | 1 | — | 7 | 7 | 8 | 1 | 1 | 1 | 3 | 3 | 4 | 2 | 2 | 2 | 1 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | E 6 | NE 5 | NE 5 | — | — | — | N 5 | N 5 | E 7 | SE 6 | SE 6 | N 4 | — | — | — | — | — | E 6 | E 5 | — |
| kJ | — | — | 1 | 1 | 1 | — | — | — | 2 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | SE 5 | SE 5 | SE 5 | SSE 5 | — | — | — | — | — | — | ESE 5 | ESE 6 | ESE 5 | — | — | — | WSW 2 | — | — | SE 5 | ESE 5 | — |
| kJ | 26 | 37 | 40 | 36 | — | — | — | — | — | — | 9 | 20 | 11 | — | — | — | 1 | — | — | 6 | 4 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 653 | 653 | 691 | 691 | 1005 | 0 | 0 | 0 | 560 | 653 | 635 | 635 | 635 | 635 | 641 | 641 | 641 | 641 | 691 | 691 | 641 | 560 |
Best forecast wave conditions in South Korea | ||||||||||||||||||||||
Best forecast wave conditions in South Korea | ||||||||||||||||||||||
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