Wednesday, April 15th
Tanchon, North Korea
| Time |
Wave height |
Wave rating |
Swell period |
Swell direction |
Wind direction |
Wind speed |
Wind rating |
Total rating |
| 5:00 | 0.22m | 1 | 3.25s | 141° | 42° | 5 km/h | 4 | 2.15 |
| 6:00 | 0.22m | 1 | 3.3s | 141° | 42° | 9 km/h | 4 | 2.15 |
| 7:00 | 0.22m | 1 | 3.35s | 141° | 14° | 6 km/h | 4 | 1.99 |
| 8:00 | 0.22m | 1 | 3.45s | 141° | 360° | 5 km/h | 4 | 1.92 |
| 9:00 | 0.22m | 1 | 3.5s | 141° | 77° | 6 km/h | 4 | 2.34 |
| 10:00 | 0.28m | 1 | 3.55s | 141° | 101° | 10 km/h | 3 | 2.18 |
| 11:00 | 0.36m | 1 | 3.65s | 142° | 114° | 13 km/h | 3 | 2.24 |
| 12:00 | 0.42m | 1 | 3.7s | 142° | 115° | 18 km/h | 3 | 2.25 |
| 13:00 | 0.5m | 2 | 3.8s | 139° | 108° | 17 km/h | 3 | 2.73 |
| 14:00 | 0.6m | 2 | 3.9s | 136° | 102° | 17 km/h | 3 | 2.71 |
| 15:00 | 0.68m | 2 | 3.95s | 133° | 98° | 17 km/h | 3 | 2.71 |
| 16:00 | 0.74m | 2 | 3.95s | 120° | 96° | 17 km/h | 3 | 2.77 |
| 17:00 | 0.78m | 2 | 3.9s | 107° | 100° | 13 km/h | 3 | 2.86 |
| 18:00 | 0.84m | 2 | 3.85s | 94° | 122° | 7 km/h | 4 | 3.04 |
| Sunrise: 5:46 | Sunset: 19:02 |