Surf Forecasts:
How big are the waves at Jumunjin today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 1ft (0.3m), 4s period with E swell.
- Evening surf: Evening surf (21 Oct, local time) - 4ft (1.2m), 7s period with NNW swell.
The current surf forecast for Jumunjin at 9AM is: 0.3m 4s primary swell from a East direction and 0.1m 4s secondary swell from a Northeast direction (forecast issued at 02:00am October 21). An open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (KST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 1ft (0.3m) | 4s |
| Afternoon (21 Oct) | - | - |
| Evening (21 Oct) | 4ft (1.2m) | 7s |
Table - waves today at Jumunjin. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Wed morning, min 6°C on Wed night). Winds decreasing (fresh winds from the WNW on Wed afternoon, calm by Thu afternoon). | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 5 | ESE 5 | ESE 4 | E 4 | NW 5 | NW 5 | NW 7 | NNW 7 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 7 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | E 5 | ESE 5 | ESE 5 | ESE 5 | NE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 11 | 7 | 7 | 3 | 14 | 0 | 0 | 143 | 207 | 309 | 202 | 166 | 197 | 187 | 116 | 73 | 54 | 36 | 25 | 19 | 28 | 42 | 32 | 28 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | on | glassy | off | glassy | cross-off | glassy | glassy | cross-on | cross | cross-off | glassy |
High Tide | 1:10AM0.23m | 10:13AM0.25m | 1:04AM0.23m | 11:29AM0.25m | 1:13AM0.24m | 12:34PM0.26m | ||||||||||||||||||
Low Tide | 5:11AM0.21m | 6:00PM0.09m | 6:05AM0.18m | 6:38PM0.09m | 6:48AM0.15m | 7:13PM0.09m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | | | | |  | | | | | |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — |
 | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 17 | 17 | 15 | 15 | 12 | 9 | 7 | 7 | 6 | 9 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 12 | 15 | 17 | 16 | 15 |
Feels °C | 16 | 14 | 13 | 13 | 9 | 7 | 5 | 4 | 2 | 3 | 2 | 6 | 7 | 8 | 8 | 7 | 8 | 7 | 9 | 11 | 14 | 16 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | E 5 | ESE 5 | ESE 4 | E 4 | E 4 | — | NNW 7 | NNW 7 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 7 | NNE 7 | NNE 6 | E 5 | E 5 | E 5 | ESE 5 | ESE 5 | ESE 5 | NE 9 |
| kJ | 11 | 7 | 7 | 3 | 1 | — | 208 | 143 | 207 | 309 | 202 | 166 | 197 | 187 | 116 | 73 | 54 | 25 | 25 | 19 | 28 | 29 | 32 | 19 |
Swell 2 Height (m) Direction Period (s) | NNE 5 | NNE 5 | NE 5 | NE 4 | — | — | — | NNE 8 | NW 7 | NW 7 | NNW 6 | NNW 6 | — | — | NW 4 | E 6 | E 5 | NNE 6 | NNE 6 | NE 6 | NNE 6 | SE 7 | SE 7 | SE 7 |
| kJ | 5 | 2 | 1 | 1 | — | — | — | 37 | 75 | 36 | 20 | 22 | — | — | 3 | 17 | 13 | 36 | 25 | 18 | 13 | 17 | 12 | 7 |
Swell 3 Height (m) Direction Period (s) | NNE 5 | NNE 5 | NE 5 | — | — | — | — | SE 7 | S 7 | — | — | — | — | — | — | — | ENE 5 | ENE 6 | — | SE 7 | SE 7 | NE 6 | NE 9 | NE 6 |
| kJ | 3 | 2 | 1 | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | 9 | 10 | — | 2 | 7 | 8 | 12 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | W 2 | WNW 4 | NW 5 | NW 5 | NW 7 | WSW 3 | NW 7 | NW 7 | W 2 | — | NNW 5 | NNW 4 | — | — | ESE 5 | — | — | — | — | ESE 5 | — | SE 5 |
| kJ | — | — | 1 | 2 | 14 | 68 | 394 | 3 | 162 | 88 | 1 | — | 15 | 8 | — | — | 14 | — | — | — | — | 42 | — | 28 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 560 | 560 | 560 | 684 | 674 | 633 | 560 | 560 | 0 | 0 | 0 | 0 | 89 | 560 | 0 | 0 | 0 | 0 | 0 | 498 | 498 | 14 | 0 | 0 |
Best forecast wave conditions in South Korea | ||||||||||||||||||||||||
Best forecast wave conditions in South Korea | ||||||||||||||||||||||||
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